mirror of
https://github.com/notwa/rc
synced 2024-05-18 09:53:22 -07:00
document a ton of stuff
This commit is contained in:
parent
e20d2557c9
commit
92bdf76405
315
README.md
315
README.md
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@ -16,8 +16,9 @@ cd && curl -L https://github.com/notwa/rc/archive/master.tar.gz | tar zx && mv r
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### [argc](/sh/argc#L7)
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validate the number of arguments in a function.
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```sh
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# usage:
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# usage: myfunc() { argc -(eq|le|ge) [0-9] "$0" "$@" || return; }
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myfunc() {
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# use one of the following:
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@ -31,6 +32,13 @@ myfunc() {
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### [arith](/sh/arith#L9)
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perform arithmetic using the shell and display the result.
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see also [`hex`](#hex) and [`bin`](#bin).
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```
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% db=6
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% noglob arith 10**(db/20.)
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1.9952623149688795
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```
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### [aur](/sh/aur#L7)
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@ -38,6 +46,10 @@ download, edit, make, and install packages from the
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[AUR.](https://aur.archlinux.org/)
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it's a little broken.
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```
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$ aur -eyoI cmdpack-uips applyppf
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```
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### [autosync](/sh/autosync#L8)
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combine `inotifywait` and `rsync`.
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@ -45,34 +57,113 @@ this is sometimes nicer than `ssh`-ing into a server and running `vim` remotely.
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### [bak](/sh/bak#L6)
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backup files by copying each and appending ".bak" to their names.
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this calls itself recursively to avoid clobbering existing backups.
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```
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$ touch -d '2001-12-25 16:30:00' butts
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$ bak butts
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$ touch butts
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$ bak butts
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$ ls -l
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total 0
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-rw-r--r-- 1 notwa None 0 Aug 1 08:02 butts
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-rw-r--r-- 1 notwa None 0 Aug 1 08:02 butts.bak
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-rw-r--r-- 1 notwa None 0 Dec 25 2001 butts.bak.bak
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```
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### [baknow](/sh/baknow#L4)
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backup a single file by appending its timestamp given by [`now`.](#now)
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```
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$ touch -d '2001-12-25 16:30:00' butts
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$ baknow butts
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$ baknow butts
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cp: overwrite 'butts.2001-12-26_01800000.bak'? n
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$ ls -l
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total 0
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-rw-r--r-- 1 notwa None 0 Dec 25 2001 butts
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-rw-r--r-- 1 notwa None 0 Dec 25 2001 butts.2001-12-26_01800000.bak
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```
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**TODO:** support multiple files at once.
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### [baks](/sh/baks#L11)
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backup files by copying each and appending *the current* date-time,
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irrespective of when the files were modified or created.
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### [bin](/sh/bin#L6)
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```
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$ touch -d '2001-12-25 16:30:00' butts
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$ baks butts
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$ baks butts
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$ ls -l
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total 0
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-rw-r--r-- 1 notwa None 0 Dec 25 2001 butts
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-rw-r--r-- 1 notwa None 0 Dec 25 2001 butts.21-08-01_14-54-07.bak
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-rw-r--r-- 1 notwa None 0 Dec 25 2001 butts.21-08-01_14-54-09.bak
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```
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### [bin](/sh/bin#L9)
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perform arithmetic using the shell and display the result as
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an unsigned 8-bit integer in binary.
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see also [`arith`](#arith) and [`hex`](#hex).
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```
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$ bin 123
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01111011
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```
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### [cdbusiest](/sh/cdbusiest#L4)
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cd to the directory with the most files in it, counted recursively.
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```
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$ cd
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$ cdbusiest
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152364 src
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$ pwd
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/home/notwa/src
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```
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### [colors](/sh/colors#L6)
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print out all the foreground and background terminal color combinations.
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display all combinations of foreground and background terminal colors.
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this only includes the basic 16-color palette.
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excluding boilerplate, this script is a mere a 76-characters long!
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### [compandy](/sh/compandy#L5)
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generate compand arguments for ffmpeg audio filters.
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this is kinda pointless now that acompressor is wildly supported.
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### [__setup_clang_ubuntu (sh/compile)](/sh/compile#L7)
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### [setup_clang_ubuntu (sh/compile)](/sh/compile#L6)
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print (but don't execute) the commands necessary to install
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a fairly recent version of clang on ubuntu-based distros.
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### [compile](/sh/compile#L29)
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```sh
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$ setup_clang_ubuntu bionic
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wget -O - http://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add -
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echo -n "deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic main
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# deb-src http://apt.llvm.org/bionic/ llvm-toolchain-bionic main
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# 12
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deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-12 main
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# deb-src http://apt.llvm.org/bionic/ llvm-toolchain-bionic-12 main
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" > /etc/apt/sources.list.d/llvm-toolchain-bionic.list
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apt-get update
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apt-get install clang-12
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apt-get install lld-12
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update-alternatives --install /usr/bin/clang clang /usr/bin/clang-12 1200
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update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-12 1200
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update-alternatives --install /usr/bin/llvm-symbolizer llvm-symbolizer /usr/bin/llvm-symbolizer-12 1200
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```
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|
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### [compile](/sh/compile#L49)
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compile single-file C and C++ programs, messily.
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@ -85,7 +176,29 @@ defaults to clang, gcc, and msvc in that order.
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`compile` attempts to guess the most sane switches for any program, so that compilation may reduce to:
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**TODO:** restore examples.
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```sh
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# debug build
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compile rd.c
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compile debug rd.c
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# debug build with warning/error flags defined in .-shrc
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# (requires .zshrc for global alias expansion)
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compile WHOA rd.c
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# likewise for C++
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compile WHOA WELP rd.cc
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compile WHOA WELP rd.cpp
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# "derelease" build (release build with debug information)
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compile derelease WHOA rd.c
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# release build (with symbols stripped)
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compile release WHOA rd.c
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# hardened build (only useful on *nix)
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compile hardened WHOA rd.c
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# specifying compiler
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compile gcc WHOA rd.c
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compile msvc WHOA rd.c
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compile release clang WHOA rd.c
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# compile and execute (FIXME: writing to /tmp is a security concern)
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compile derelease rd.c && /tmp/rd
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```
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### [confirm](/sh/confirm#L6)
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@ -102,9 +215,18 @@ nay
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### [countdiff](/sh/countdiff#L6)
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count the number of lines changed between two files.
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**TODO:** don't use git for this. also, use patience algorithm.
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|
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```
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$ countdiff README-old.md README.md
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739
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```
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### [cutv](/sh/cutv#L6)
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|
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(WIP) create a short clip of a long video file.
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### [days](/sh/days#L6)
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@ -117,13 +239,27 @@ $ days 'January 1 1970'
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|
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### [dbusiest](/sh/dbusiest#L6)
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display the directory with the most files in it, counted recursively.
|
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list directories ordered descending by the number of files in them,
|
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counted recursively. see also [`cdbusiest`.](#cdbusiest)
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|
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```
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$ cd
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$ dbusiest | head -n3
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152364 src
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46518 work
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20903 play
|
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```
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|
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### [dfu](/sh/dfu#L6)
|
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|
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pretty-print `df` in GiB.
|
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|
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**TODO:** restore examples.
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```
|
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$ dfu
|
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Filesystem Used Max Left Misc
|
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/dev 0.00 0.46 0.46 0.00
|
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/ 17.20 23.22 6.01 1.27
|
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```
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|
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### [disf](/sh/disf#L9)
|
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|
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|
|
@ -174,15 +310,31 @@ $ e /etc/sudoers
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|
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### [echo2](/sh/echo2#L6)
|
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|
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print arguments joined by spaces to stderr without parsing anything.
|
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|
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```
|
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$ echo -e 'this\nthat' those
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this
|
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that those
|
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$ echo2 -e 'this\nthat' those
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-e this\nthat those
|
||||
```
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|
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### [explore](/sh/explore#L6)
|
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open a single directory in `explorer.exe`, defaulting to `$PWD`.
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|
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### [ff](/sh/ff#L6)
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select a file from a given or current directory using `fzy`.
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|
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### [ghmd](/sh/ghmd#L9)
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convert a markdown file to HTML in the style of GitHub.
|
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note that this uses GitHub's API, so it requires internet connectivity.
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|
||||
this script utilizes the CSS provided at
|
||||
[sindresorhus/github-markdown-css.](https://github.com/sindresorhus/github-markdown-css)
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|
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### [has](/sh/has#L6)
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|
|
@ -192,7 +344,14 @@ print the result of `which` if the program is found, else simply return 1.
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|
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### [hex](/sh/hex#L9)
|
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|
||||
perform arithmetic using the shell and display the result as an unsigned 32-bit integer in hexadecimal.
|
||||
perform arithmetic using the shell and display the result as
|
||||
an unsigned 32-bit integer in hexadecimal.
|
||||
see also [`arith`](#arith) and [`bin`](#bin).
|
||||
|
||||
```
|
||||
$ hex 0x221EA8-0x212020
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0000FE88
|
||||
```
|
||||
|
||||
### [ify](/sh/ify#L6)
|
||||
|
||||
|
|
@ -215,6 +374,8 @@ return 0 if a given website returns a 2xx HTTP code.
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|||
|
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### [maybesudo_ (sh/maybesudo)](/sh/maybesudo#L6)
|
||||
|
||||
mimic certain features of `sudo` for systems without it installed.
|
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as it stands, this mostly just handles some environment variables.
|
||||
|
||||
### [minutemaid](/sh/minutemaid#L6)
|
||||
|
||||
|
|
@ -228,7 +389,10 @@ note that a minute is relative to the seconds since the epoch, not the minute of
|
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|
||||
### [monitor](/sh/monitor#L4)
|
||||
|
||||
this is `watch` loosely reimplemented as a shell script.
|
||||
this is [watch(1)](https://www.man7.org/linux/man-pages/man1/watch.1.html)
|
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loosely reimplemented as a shell script.
|
||||
|
||||
`usage: monitor [-fs] [-n {period}] {command} [{args...}]`
|
||||
|
||||
### [noccom](/sh/noccom#L10)
|
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|
||||
|
|
@ -236,6 +400,7 @@ strip C-like comments; both multi-line and single-line.
|
|||
|
||||
### [note](/sh/note#L6)
|
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|
||||
act like [`echo2`,](#echo2) but use a bright color to stand out more.
|
||||
|
||||
### [now](/sh/now#L8)
|
||||
|
||||
|
|
@ -253,7 +418,8 @@ $ now '@1234567890'
|
|||
|
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### [pacbm](/sh/pacbm#L6)
|
||||
|
||||
list installed pacman packages by their filesize, and the sum, ascending. requires `expac`.
|
||||
display and order installed pacman packages by their filesize ascending,
|
||||
and their sum. requires `expac`.
|
||||
|
||||
```
|
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$ pacbm | head -n -1 | tail -2
|
||||
|
|
@ -263,7 +429,7 @@ $ pacbm | head -n -1 | tail -2
|
|||
|
||||
### [pause](/sh/pause#L6)
|
||||
|
||||
pause — the companion script of `confirm`.
|
||||
pause — the companion script of [`confirm`.](#confirm)
|
||||
|
||||
```
|
||||
$ pause
|
||||
|
|
@ -273,18 +439,49 @@ $
|
|||
|
||||
### [pegg](/sh/pegg#L8)
|
||||
|
||||
download and (pip) install a Python "egg" from a project on GitHub,
|
||||
defaulting to the master branch. this uses [`pippy`](#pippy) internally.
|
||||
|
||||
```sh
|
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# install the development version of https://github.com/rthalley/dnspython
|
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$ pegg rthalley dnspython
|
||||
# or instead install the latest stable version (as of writing)
|
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$ pegg rthalley dnspython 3933b49
|
||||
```
|
||||
|
||||
### [pippy](/sh/pippy#L7)
|
||||
|
||||
install Python packages using pip,
|
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but only update their dependencies as required.
|
||||
this uses [`maybesudo`](#maybesudo_-shmaybesudo) internally.
|
||||
|
||||
### [pre](/sh/pre#L6)
|
||||
|
||||
dump all the `#define`s that `$CC $CPPFLAGS $CFLAGS $LDFLAGS` would result in.
|
||||
|
||||
**TODO:** restore examples.
|
||||
```
|
||||
$ pre | shuf | head -n10
|
||||
#define __GNUC_MINOR__ 3
|
||||
#define __SIZEOF_LONG__ 4
|
||||
#define __UINT_LEAST16_TYPE__ short unsigned int
|
||||
#define __ORDER_BIG_ENDIAN__ 4321
|
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#define __SIZEOF_FLOAT__ 4
|
||||
#define __INTMAX_MAX__ 0x7fffffffffffffffLL
|
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#define __INT64_C(c) c ## LL
|
||||
#define __UINT16_MAX__ 0xffff
|
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#define __DEC64_MANT_DIG__ 16
|
||||
#define __DBL_HAS_INFINITY__ 1
|
||||
```
|
||||
|
||||
### [psbm](/sh/psbm#L6)
|
||||
|
||||
display and order processes by their memory usage ascending, and their sum.
|
||||
|
||||
```
|
||||
$ psbm | head -n -1 | tail -2
|
||||
185.08M 1163 chromium
|
||||
199.95M 1060 chromium
|
||||
```
|
||||
|
||||
### [randir](/sh/randir#L6)
|
||||
|
||||
|
|
@ -297,6 +494,7 @@ $ randir
|
|||
|
||||
### [refresh](/sh/refresh#L6)
|
||||
|
||||
invoke `hash -r`.
|
||||
|
||||
### [rs](/sh/rs#L4)
|
||||
|
||||
|
|
@ -328,6 +526,7 @@ run `scrot` through `optipng` and save the result to `~/play/$(now).png`.
|
|||
|
||||
### [similar](/sh/similar#L6)
|
||||
|
||||
highlight adjacent lines up to the first inequivalent character.
|
||||
|
||||
### [slit](/sh/slit#L6)
|
||||
|
||||
|
|
@ -344,6 +543,45 @@ convert between a couple saveram formats for N64 emulators.
|
|||
|
||||
### [stfu](/sh/stfu#L7)
|
||||
|
||||
invoke a command, silencing stdout and stderr *unless* the command fails.
|
||||
|
||||
**NOTE:** don't use `stfu` for handling sensitive data or commands!
|
||||
use it for 7zip.
|
||||
|
||||
```
|
||||
$ touch butts
|
||||
$ stfu 7z a butts.7z butts
|
||||
$ stfu 7z a butts.7z asses
|
||||
command failed with exit status 1:
|
||||
7z a butts.7z asses
|
||||
|
||||
$ tail -n 20 /tmp/stfu/out_1627834220
|
||||
Solid = -
|
||||
Blocks = 0
|
||||
|
||||
Scanning the drive:
|
||||
0 files, 0 bytes
|
||||
|
||||
Updating archive: butts.7z
|
||||
|
||||
Keep old data in archive: 1 file, 0 bytes
|
||||
Add new data to archive: 0 files, 0 bytes
|
||||
|
||||
|
||||
Files read from disk: 0
|
||||
Archive size: 82 bytes (1 KiB)
|
||||
|
||||
Scan WARNINGS for files and folders:
|
||||
|
||||
asses : The system cannot find the file specified.
|
||||
----------------
|
||||
Scan WARNINGS: 1
|
||||
|
||||
$ tail -n 20 /tmp/stfu/err_1627834220
|
||||
|
||||
WARNING: The system cannot find the file specified.
|
||||
asses
|
||||
```
|
||||
|
||||
### [mpvs (sh/streamcrap)](/sh/streamcrap#L6)
|
||||
|
||||
|
|
@ -384,19 +622,44 @@ watch a stream on youtube in mpv. like `ytll`, but with a preference for differe
|
|||
|
||||
### [sum](/sh/sum#L6)
|
||||
|
||||
compute the summation of its arguments without forking processes.
|
||||
this relies on the shell's built-in arithmetic operators.
|
||||
|
||||
```
|
||||
$ sum 1 2 3
|
||||
6
|
||||
```
|
||||
|
||||
**TODO:** consider renaming because sum(1) already exists.
|
||||
|
||||
### [sv](/sh/sv#L6)
|
||||
|
||||
collect the lastmost value of every key.
|
||||
the field separator can be given as its sole argument.
|
||||
the field separator can be given as its sole argument,
|
||||
it defaults to a single space otherwise.
|
||||
|
||||
```
|
||||
echo "this=that\nthem=those\nthis=cat" | sv =
|
||||
this=cat
|
||||
them=those
|
||||
$ echo "alpha=first\nbeta=second\nalpha=third" | sv =
|
||||
alpha=third
|
||||
beta=second
|
||||
```
|
||||
|
||||
**TODO:** add multi-file grep example.
|
||||
this next example uses `sv` to only print the lastmost line
|
||||
matching a pattern in each file. in other words, it uses
|
||||
the filename printed by grep as the key in its key-value pairs.
|
||||
|
||||
```
|
||||
$ cd ~/play/hash && grep -r 'ing$' . | sv :
|
||||
./dic_win32.txt:WriteProfileString
|
||||
./cracklib-small.txt:zoning
|
||||
./english-words.txt:zooming
|
||||
./usernames-125k.txt:flats_gaming
|
||||
./cain.txt:zoografting
|
||||
./pokemon.txt:Fletchling
|
||||
./pokemon8.txt:Fletchling
|
||||
```
|
||||
|
||||
**TODO:** rename because busybox(1) sv already exists.
|
||||
|
||||
### [tpad](/sh/tpad#L6)
|
||||
|
||||
|
|
@ -405,17 +668,33 @@ sadly, this trick doesn't work anymore.
|
|||
|
||||
### [trash](/sh/trash#L6)
|
||||
|
||||
output a given number of bytes from `/dev/random`.
|
||||
|
||||
```
|
||||
$ trash 10 | hexdump -e '15 1 "%02X " 1 1 "%02X\n"'
|
||||
CB 72 31 A1 BB F0 EC 9F 6E BE
|
||||
```
|
||||
|
||||
### [trunc](/sh/trunc#L6)
|
||||
|
||||
truncate text to fit within your terminal using the unicode character `…`.
|
||||
|
||||
```
|
||||
$ echo $COLUMNS
|
||||
84
|
||||
$ seq 1 100 | tr '\n' ' ' | trunc
|
||||
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31…
|
||||
```
|
||||
|
||||
### [unscreen](/sh/unscreen#L6)
|
||||
|
||||
i don't use this anymore~
|
||||
|
||||
### [wat](/sh/wat#L8)
|
||||
|
||||
wat — a better and recursive which/whence. for zsh only.
|
||||
|
||||
written by [leah2.](https://leahneukirchen.org/)
|
||||
|
||||
### [wipe](/sh/wipe#L6)
|
||||
|
||||
|
|
|
|||
2
sh/bak
2
sh/bak
|
|
@ -4,7 +4,7 @@
|
|||
# YES_DASH
|
||||
|
||||
bak() { ### @-
|
||||
### backup files by copying each and appending ".bak" to their names.
|
||||
### backup files by creating copies and appending ".bak" to their names.
|
||||
### this calls itself recursively to avoid clobbering existing backups.
|
||||
###
|
||||
### ```
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@
|
|||
# YES_BASH
|
||||
# YES_DASH
|
||||
|
||||
explore() { ### @-
|
||||
explore() { ### @- open a single directory in `explorer.exe`, defaulting to `$PWD`.
|
||||
[ -n "$MSYSTEM" ] || { printf "%s\n" "$0: only for MSYS2" >&2; return 1; }
|
||||
[ $# -le 1 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
|
||||
explorer "$(cygpath -w "${1:-.}")"
|
||||
|
|
|
|||
1
sh/ff
1
sh/ff
|
|
@ -4,6 +4,7 @@
|
|||
# YES_DASH
|
||||
|
||||
ff() { ### @-
|
||||
### select a file from a given or current directory using `fzy`.
|
||||
[ $# -le 1 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
|
||||
find "${1:-.}" -type f | fzy
|
||||
}
|
||||
|
|
|
|||
7
sh/ghmd
7
sh/ghmd
|
|
@ -7,8 +7,11 @@
|
|||
# YES_DASH
|
||||
|
||||
ghmd() { ### @-
|
||||
# CSS via: https://github.com/sindresorhus/github-markdown-css
|
||||
# <link href="//cdnjs.cloudflare.com/ajax/libs/octicons/2.1.2/octicons.css" 'media="all" rel="stylesheet" type="text/css" />
|
||||
### convert a markdown file to HTML in the style of GitHub.
|
||||
### note that this uses GitHub's API, so it requires internet connectivity.
|
||||
###
|
||||
### this script utilizes the CSS provided at
|
||||
### [sindresorhus/github-markdown-css.](https://github.com/sindresorhus/github-markdown-css)
|
||||
printf '%s' '<!DOCTYPE html><html><head><meta charset="utf-8"><link ' \
|
||||
'href="https://eaguru.guru/t/github-markdown.css" ' \
|
||||
'media="all" rel="stylesheet" type="text/css"/></head><body ' \
|
||||
|
|
|
|||
|
|
@ -4,6 +4,8 @@
|
|||
# YES_DASH
|
||||
|
||||
maybesudo_() { ### @-
|
||||
### mimic certain features of `sudo` for systems without it installed.
|
||||
### as it stands, this mostly just handles some environment variables.
|
||||
local name
|
||||
local env_cleanup=0
|
||||
while getopts :AEHKPSVbhiklnsvC:U:g:p:r:t:u: name; do
|
||||
|
|
|
|||
|
|
@ -2,7 +2,10 @@
|
|||
# YES_ZSH
|
||||
|
||||
monitor() { ### @-
|
||||
### this is `watch` loosely reimplemented as a shell script.
|
||||
### this is [watch(1)](https://www.man7.org/linux/man-pages/man1/watch.1.html)
|
||||
### loosely reimplemented as a shell script.
|
||||
###
|
||||
### `usage: monitor [-fs] [-n {period}] {command} [{args...}]`
|
||||
local bottom=0 strip=0 interval=2 opt=
|
||||
while getopts 'fsn:h' opt; do
|
||||
case $opt in
|
||||
|
|
|
|||
1
sh/note
1
sh/note
|
|
@ -4,6 +4,7 @@
|
|||
# YES_DASH
|
||||
|
||||
note() { ### @-
|
||||
### act like [`echo2`,](#echo2) but use a bright color to stand out more.
|
||||
local IFS=" "
|
||||
printf "\033[1m%s\033[0m\n" "$*" >&2
|
||||
}
|
||||
|
|
|
|||
3
sh/pacbm
3
sh/pacbm
|
|
@ -4,7 +4,8 @@
|
|||
# YES_DASH
|
||||
|
||||
pacbm() { ### @-
|
||||
### list installed pacman packages by their filesize, and the sum, ascending. requires `expac`.
|
||||
### display and order installed pacman packages by their filesize ascending,
|
||||
### and their sum. requires `expac`.
|
||||
###
|
||||
### ```
|
||||
### $ pacbm | head -n -1 | tail -2
|
||||
|
|
|
|||
2
sh/pause
2
sh/pause
|
|
@ -4,7 +4,7 @@
|
|||
# NO_DASH
|
||||
|
||||
pause() { ### @-
|
||||
### pause — the companion script of `confirm`.
|
||||
### pause — the companion script of [`confirm`.](#confirm)
|
||||
###
|
||||
### ```
|
||||
### $ pause
|
||||
|
|
|
|||
9
sh/pegg
9
sh/pegg
|
|
@ -6,6 +6,15 @@
|
|||
# TODO: source pippy here? this may affect dash compatibility.
|
||||
|
||||
pegg() { ### @-
|
||||
### download and (pip) install a Python "egg" from a project on GitHub,
|
||||
### defaulting to the master branch. this uses [`pippy`](#pippy) internally.
|
||||
###
|
||||
### ```sh
|
||||
### # install the development version of https://github.com/rthalley/dnspython
|
||||
### $ pegg rthalley dnspython
|
||||
### # or instead install the latest stable version (as of writing)
|
||||
### $ pegg rthalley dnspython 3933b49
|
||||
### ```
|
||||
[ $# -ge 2 ] || { printf "%s\n" "$0: too few arguments" >&2; return 1; }
|
||||
pippy "https://github.com/$1/$2/tarball/${3:-master}#egg=$2"
|
||||
}
|
||||
|
|
|
|||
3
sh/pippy
3
sh/pippy
|
|
@ -5,6 +5,9 @@
|
|||
#. ~/sh/has
|
||||
|
||||
pippy() { ### @-
|
||||
### install Python packages using pip,
|
||||
### but only update their dependencies as required.
|
||||
### this uses [`maybesudo`](#maybesudo_-shmaybesudo) internally.
|
||||
local sudo="$(has sudo || echo maybesudo_)"
|
||||
"$sudo" py -m pip install --upgrade --upgrade-strategy only-if-needed "$@"
|
||||
}
|
||||
|
|
|
|||
14
sh/pre
14
sh/pre
|
|
@ -6,7 +6,19 @@
|
|||
pre() { ### @-
|
||||
### dump all the `#define`s that `$CC $CPPFLAGS $CFLAGS $LDFLAGS` would result in.
|
||||
###
|
||||
### **TODO:** restore examples.
|
||||
### ```
|
||||
### $ pre | shuf | head -n10
|
||||
### #define __GNUC_MINOR__ 3
|
||||
### #define __SIZEOF_LONG__ 4
|
||||
### #define __UINT_LEAST16_TYPE__ short unsigned int
|
||||
### #define __ORDER_BIG_ENDIAN__ 4321
|
||||
### #define __SIZEOF_FLOAT__ 4
|
||||
### #define __INTMAX_MAX__ 0x7fffffffffffffffLL
|
||||
### #define __INT64_C(c) c ## LL
|
||||
### #define __UINT16_MAX__ 0xffff
|
||||
### #define __DEC64_MANT_DIG__ 16
|
||||
### #define __DBL_HAS_INFINITY__ 1
|
||||
### ```
|
||||
if [ -n "${ZSH_VERSION:-}" ]; then
|
||||
${CC:-gcc} -dM -E - $=CPPFLAGS $=CFLAGS $=LDFLAGS < /dev/null
|
||||
else
|
||||
|
|
|
|||
7
sh/psbm
7
sh/psbm
|
|
@ -4,6 +4,13 @@
|
|||
# YES_DASH
|
||||
|
||||
psbm() { ### @-
|
||||
### display and order processes by their memory usage ascending, and their sum.
|
||||
###
|
||||
### ```
|
||||
### $ psbm | head -n -1 | tail -2
|
||||
### 185.08M 1163 chromium
|
||||
### 199.95M 1060 chromium
|
||||
### ```
|
||||
[ -z "$MSYSTEM" ] || { printf "%s\n" "$0: unsupported on MSYS2" >&2; return 1; }
|
||||
ps axco rss,pid,command | awk '
|
||||
NR>1&&$1>0{t+=$1;printf("%8.2fM %7d %s\n",$1/1024,$2,$3)}
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@
|
|||
# YES_BASH
|
||||
# YES_DASH
|
||||
|
||||
refresh() { ### @-
|
||||
refresh() { ### @- invoke `hash -r`.
|
||||
hash -r
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -4,6 +4,7 @@
|
|||
# YES_DASH
|
||||
|
||||
similar() { ### @-
|
||||
### highlight adjacent lines up to the first inequivalent character.
|
||||
[ $# -eq 0 ] || { printf "%s\n" "$0: does not take arguments" >&2; return 1; }
|
||||
awk '
|
||||
{
|
||||
|
|
|
|||
42
sh/stfu
42
sh/stfu
|
|
@ -5,8 +5,46 @@
|
|||
#. ~/sh/note # FIXME
|
||||
|
||||
stfu() { ### @-
|
||||
# NOTE: don't use stfu for handling sensitive data or commands!
|
||||
# use it for 7zip.
|
||||
### invoke a command, silencing stdout and stderr *unless* the command fails.
|
||||
###
|
||||
### **NOTE:** don't use `stfu` for handling sensitive data or commands!
|
||||
### use it for 7zip.
|
||||
###
|
||||
### ```
|
||||
### $ touch butts
|
||||
### $ stfu 7z a butts.7z butts
|
||||
### $ stfu 7z a butts.7z asses
|
||||
### command failed with exit status 1:
|
||||
### 7z a butts.7z asses
|
||||
###
|
||||
### $ tail -n 20 /tmp/stfu/out_1627834220
|
||||
### Solid = -
|
||||
### Blocks = 0
|
||||
###
|
||||
### Scanning the drive:
|
||||
### 0 files, 0 bytes
|
||||
###
|
||||
### Updating archive: butts.7z
|
||||
###
|
||||
### Keep old data in archive: 1 file, 0 bytes
|
||||
### Add new data to archive: 0 files, 0 bytes
|
||||
###
|
||||
###
|
||||
### Files read from disk: 0
|
||||
### Archive size: 82 bytes (1 KiB)
|
||||
###
|
||||
### Scan WARNINGS for files and folders:
|
||||
###
|
||||
### asses : The system cannot find the file specified.
|
||||
### ----------------
|
||||
### Scan WARNINGS: 1
|
||||
###
|
||||
### $ tail -n 20 /tmp/stfu/err_1627834220
|
||||
###
|
||||
### WARNING: The system cannot find the file specified.
|
||||
### asses
|
||||
### ```
|
||||
|
||||
[ $# -gt 0 ] || { printf "%s\n" "$0: too few arguments" >&2; return 1; }
|
||||
local temp="${TMP:-/tmp}/stfu"
|
||||
|
||||
|
|
|
|||
6
sh/trash
6
sh/trash
|
|
@ -4,6 +4,12 @@
|
|||
# YES_DASH
|
||||
|
||||
trash() { ### @-
|
||||
### output a given number of bytes from `/dev/random`.
|
||||
###
|
||||
### ```
|
||||
### $ trash 10 | hexdump -e '15 1 "%02X " 1 1 "%02X\n"'
|
||||
### CB 72 31 A1 BB F0 EC 9F 6E BE
|
||||
### ```
|
||||
[ $# -le 1 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
|
||||
dd status=none if=/dev/random bs=1 count="${1:?missing count argument}"
|
||||
}
|
||||
|
|
|
|||
8
sh/trunc
8
sh/trunc
|
|
@ -5,6 +5,14 @@
|
|||
|
||||
trunc() { ### @-
|
||||
### truncate text to fit within your terminal using the unicode character `…`.
|
||||
###
|
||||
### ```
|
||||
### $ echo $COLUMNS
|
||||
### 84
|
||||
### $ seq 1 100 | tr '\n' ' ' | trunc
|
||||
### 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31…
|
||||
### ```
|
||||
|
||||
[ $# -le 1 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
|
||||
COLUMNS=${COLUMNS:-$(tput cols)}
|
||||
awk -vL=${1:-$COLUMNS} '{e=length>L?"…":"";print substr($0,0,L-(e?1:0)) e}'
|
||||
|
|
|
|||
3
sh/wat
3
sh/wat
|
|
@ -6,6 +6,9 @@
|
|||
# wat - a better and recursive which/whence
|
||||
# via: https://leahneukirchen.org/dotfiles/tools.html
|
||||
wat() { ### @-
|
||||
### wat — a better and recursive which/whence. for zsh only.
|
||||
###
|
||||
### written by [leah2.](https://leahneukirchen.org/)
|
||||
( # constrain unalias
|
||||
for cmd; do
|
||||
if (( $+aliases[$cmd] )); then
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user