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https://github.com/notwa/rc
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README.md
94
README.md
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@ -14,39 +14,39 @@ cd && curl -L https://github.com/notwa/rc/archive/master.tar.gz | tar zx && mv r
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## shell functions
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## shell functions
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### [arith](/home/sh/arith#L9)
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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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perform arithmetic using the shell and display the result.
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### [aur](/home/sh/aur#L7)
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### [aur](/sh/aur#L7)
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download, edit, make, and install packages from the
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download, edit, make, and install packages from the
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[AUR.](https://aur.archlinux.org/)
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[AUR.](https://aur.archlinux.org/)
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it's a little broken.
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it's a little broken.
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### [autosync](/home/sh/autosync#L8)
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### [autosync](/sh/autosync#L8)
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combine `inotifywait` and `rsync`.
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combine `inotifywait` and `rsync`.
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this is sometimes nicer than `ssh`-ing into a server and running `vim` remotely.
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this is sometimes nicer than `ssh`-ing into a server and running `vim` remotely.
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### [cdbusiest](/home/sh/cdbusiest#L4)
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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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cd to the directory with the most files in it, counted recursively.
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### [colors](/home/sh/colors#L6)
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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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print out all the foreground and background terminal color combinations.
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excluding boilerplate, this script is a mere a 76-characters long!
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excluding boilerplate, this script is a mere a 76-characters long!
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### [compandy](/home/sh/compandy#L5)
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### [compandy](/sh/compandy#L5)
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generate compand arguments for ffmpeg audio filters.
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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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this is kinda pointless now that acompressor is wildly supported.
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### [__setup_clang_ubuntu (sh/compile)](/home/sh/compile#L7)
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### [__setup_clang_ubuntu (sh/compile)](/sh/compile#L7)
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### [compile](/home/sh/compile#L29)
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### [compile](/sh/compile#L29)
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compile single-file C and C++ programs, messily.
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compile single-file C and C++ programs, messily.
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@ -61,7 +61,7 @@ defaults to clang, gcc, and msvc in that order.
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**TODO:** restore examples.
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**TODO:** restore examples.
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### [confirm](/home/sh/confirm#L6)
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### [confirm](/sh/confirm#L6)
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display a simple yes-or-no prompt and return 0-or-1 respectively.
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display a simple yes-or-no prompt and return 0-or-1 respectively.
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@ -74,7 +74,7 @@ Continue? [y/N] n
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nay
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nay
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```
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```
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### [days](/home/sh/days#L6)
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### [days](/sh/days#L6)
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compute days since a given date.
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compute days since a given date.
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@ -83,21 +83,21 @@ $ days 'January 1 1970'
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18838
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18838
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```
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```
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### [dbusiest](/home/sh/dbusiest#L6)
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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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display the directory with the most files in it, counted recursively.
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### [dfu](/home/sh/dfu#L6)
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### [dfu](/sh/dfu#L6)
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pretty-print `df` in GiB.
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pretty-print `df` in GiB.
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**TODO:** restore examples.
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**TODO:** restore examples.
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### [disf](/home/sh/disf#L9)
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### [disf](/sh/disf#L9)
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disassemble a single function from an unstripped executable, unreliably.
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disassemble a single function from an unstripped executable, unreliably.
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### [e](/home/sh/e#L6)
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### [e](/sh/e#L6)
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wrap around `$EDITOR` to run it as root if necessary.
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wrap around `$EDITOR` to run it as root if necessary.
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this still needs some work to detect root-owned directories.
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this still needs some work to detect root-owned directories.
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@ -107,17 +107,17 @@ $ e /etc/sudoers
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[sudo] password for notwa:
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[sudo] password for notwa:
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```
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```
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### [has](/home/sh/has#L6)
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### [has](/sh/has#L6)
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print the result of `which` if the program is found, else simply return 1.
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print the result of `which` if the program is found, else simply return 1.
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`export CC="$(has clang || has clang-3.8 || has gcc)"`
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`export CC="$(has clang || has clang-3.8 || has gcc)"`
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### [hex](/home/sh/hex#L9)
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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.
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perform arithmetic using the shell and display the result as an unsigned 32-bit integer in hexadecimal.
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### [ify](/home/sh/ify#L6)
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### [ify](/sh/ify#L6)
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pipe one command through another, so you can still pass arguments to the former.
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pipe one command through another, so you can still pass arguments to the former.
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@ -128,15 +128,15 @@ $ alias ll="ify less ls -ACX --group-directories-first --color=force"
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$ ll /etc
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$ ll /etc
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```
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```
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### [is_empty](/home/sh/is_empty#L6)
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### [is_empty](/sh/is_empty#L6)
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return 0 if the directory given by argument is empty.
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return 0 if the directory given by argument is empty.
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### [isup](/home/sh/isup#L8)
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### [isup](/sh/isup#L8)
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return 0 if a given website returns a 2xx HTTP code.
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return 0 if a given website returns a 2xx HTTP code.
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### [minutemaid](/home/sh/minutemaid#L6)
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### [minutemaid](/sh/minutemaid#L6)
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return 0 if the current minute is divisible by a number.
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return 0 if the current minute is divisible by a number.
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note that a minute is relative to the seconds since the epoch, not the minute of the hour.
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note that a minute is relative to the seconds since the epoch, not the minute of the hour.
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* * * * * minutemaid 9 ~/work/do_my_bidding # runs every nine minutes
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* * * * * minutemaid 9 ~/work/do_my_bidding # runs every nine minutes
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```
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```
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### [monitor](/home/sh/monitor#L4)
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### [monitor](/sh/monitor#L4)
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this is `watch` loosely reimplemented as a shell script.
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this is `watch` loosely reimplemented as a shell script.
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### [noccom](/home/sh/noccom#L10)
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### [noccom](/sh/noccom#L10)
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strip C-like comments; both multi-line and single-line.
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strip C-like comments; both multi-line and single-line.
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### [now](/home/sh/now#L8)
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### [now](/sh/now#L8)
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print a date-time (UTC) in a sortable format.
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print a date-time (UTC) in a sortable format.
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this takes a date or file as an argument,
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this takes a date or file as an argument,
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2009-02-13_84690000
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2009-02-13_84690000
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```
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```
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### [pacbm](/home/sh/pacbm#L6)
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### [pacbm](/sh/pacbm#L6)
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list installed pacman packages by their filesize, and the sum, ascending. requires `expac`.
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list installed pacman packages by their filesize, and the sum, ascending. requires `expac`.
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235.44M linux-firmware
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235.44M linux-firmware
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```
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```
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### [pause](/home/sh/pause#L6)
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### [pause](/sh/pause#L6)
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pause — the companion script of `confirm`.
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pause — the companion script of `confirm`.
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$
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$
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```
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```
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### [pre](/home/sh/pre#L6)
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### [pre](/sh/pre#L6)
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dump all the `#define`s that `$CC $CPPFLAGS $CFLAGS $LDFLAGS` would result in.
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dump all the `#define`s that `$CC $CPPFLAGS $CFLAGS $LDFLAGS` would result in.
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**TODO:** restore examples.
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**TODO:** restore examples.
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### [randir](/home/sh/randir#L6)
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### [randir](/sh/randir#L6)
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display a random directory in the current working directory.
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display a random directory in the current working directory.
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./sh
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./sh
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```
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```
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### [rs](/home/sh/rs#L4)
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### [rs](/sh/rs#L4)
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record screen. does not record audio.
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record screen. does not record audio.
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currently only works on Windows (gdigrab).
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currently only works on Windows (gdigrab).
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i'm sure there's something equivalent for Linux.
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i'm sure there's something equivalent for Linux.
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### [sc](/home/sh/sc#L40)
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### [sc](/sh/sc#L40)
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upload given files to a webserver and return a direct link for sharing them.
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upload given files to a webserver and return a direct link for sharing them.
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you'll want to tweak this if you use it yourself.
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you'll want to tweak this if you use it yourself.
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this contains some extra logic for screenshots created by `scropt`.
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this contains some extra logic for screenshots created by `scropt`.
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### [scramble](/home/sh/scramble#L6)
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### [scramble](/sh/scramble#L6)
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scrambles text in a predictable way using regex.
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scrambles text in a predictable way using regex.
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sacbremls ttex in a pdrceailtbe way unsig reegx.
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sacbremls ttex in a pdrceailtbe way unsig reegx.
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### [screeny](/home/sh/screeny#L4)
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### [screeny](/sh/screeny#L4)
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i don't use this anymore~
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i don't use this anymore~
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### [scropt](/home/sh/scropt#L8)
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### [scropt](/sh/scropt#L8)
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run `scrot` through `optipng` and save the result to `~/play/$(now).png`.
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run `scrot` through `optipng` and save the result to `~/play/$(now).png`.
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`$ ~/sh/sc $(~/sh/scropt -s -d0.5)`
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`$ ~/sh/sc $(~/sh/scropt -s -d0.5)`
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### [slit](/home/sh/slit#L6)
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### [slit](/sh/slit#L6)
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view specific columns of text.
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view specific columns of text.
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### [slitt](/home/sh/slitt#L6)
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### [slitt](/sh/slitt#L6)
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view specific columns of text.
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view specific columns of text.
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this version of `slit` uses tabs for its field separators.
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this version of `slit` uses tabs for its field separators.
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### [sram](/home/sh/sram#L4)
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### [sram](/sh/sram#L4)
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convert between a couple saveram formats for N64 emulators.
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convert between a couple saveram formats for N64 emulators.
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### [mpv_watch (sh/streamcrap)](/home/sh/streamcrap#L57)
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### [mpv_watch (sh/streamcrap)](/sh/streamcrap#L57)
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watch something in mpv with a bunch of extra audio filtering crap.
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watch something in mpv with a bunch of extra audio filtering crap.
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### [mpv_stream (sh/streamcrap)](/home/sh/streamcrap#L69)
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### [mpv_stream (sh/streamcrap)](/sh/streamcrap#L69)
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watch a stream in mpv with a bunch of extra audio filtering crap.
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watch a stream in mpv with a bunch of extra audio filtering crap.
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### [twitch (sh/streamcrap)](/home/sh/streamcrap#L82)
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### [twitch (sh/streamcrap)](/sh/streamcrap#L82)
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watch a twitch stream in mpv with a bunch of extra audio filtering crap.
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watch a twitch stream in mpv with a bunch of extra audio filtering crap.
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### [yt (sh/streamcrap)](/home/sh/streamcrap#L88)
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### [yt (sh/streamcrap)](/sh/streamcrap#L88)
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watch a youtube video in mpv with a bunch of extra audio filtering crap.
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watch a youtube video in mpv with a bunch of extra audio filtering crap.
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this can be given a full URL or just a video ID.
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this can be given a full URL or just a video ID.
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there exist several variants for more specific use cases.
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there exist several variants for more specific use cases.
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### [ytg (sh/streamcrap)](/home/sh/streamcrap#L101)
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### [ytg (sh/streamcrap)](/sh/streamcrap#L101)
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watch a youtube video. like `yt`, but with a preference for different formats.
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watch a youtube video. like `yt`, but with a preference for different formats.
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### [ytll (sh/streamcrap)](/home/sh/streamcrap#L107)
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### [ytll (sh/streamcrap)](/sh/streamcrap#L107)
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watch a stream on youtube in mpv, etcetera etcetera.
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watch a stream on youtube in mpv, etcetera etcetera.
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this is the low latency version that does not support seeking.
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this is the low latency version that does not support seeking.
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### [ytgll (sh/streamcrap)](/home/sh/streamcrap#L113)
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### [ytgll (sh/streamcrap)](/sh/streamcrap#L113)
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watch a stream on youtube in mpv. like `ytll`, but with a preference for different formats.
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watch a stream on youtube in mpv. like `ytll`, but with a preference for different formats.
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### [sv](/home/sh/sv#L6)
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### [sv](/sh/sv#L6)
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collect the lastmost value of every key.
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collect the lastmost value of every key.
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the field separator can be given as its sole argument.
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the field separator can be given as its sole argument.
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**TODO:** add multi-file grep example.
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**TODO:** add multi-file grep example.
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### [tpad](/home/sh/tpad#L6)
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### [tpad](/sh/tpad#L6)
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add a 1px transparent border around an image to prevent twitter from mangling it into a jpg.
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add a 1px transparent border around an image to prevent twitter from mangling it into a jpg.
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sadly, this trick doesn't work anymore.
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sadly, this trick doesn't work anymore.
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### [trunc](/home/sh/trunc#L6)
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### [trunc](/sh/trunc#L6)
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truncate text to fit within your terminal using the unicode character `…`.
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truncate text to fit within your terminal using the unicode character `…`.
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### [unscreen](/home/sh/unscreen#L6)
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### [unscreen](/sh/unscreen#L6)
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i don't use this anymore~
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i don't use this anymore~
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### [wipe](/home/sh/wipe#L6)
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### [wipe](/sh/wipe#L6)
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clear the screen and its scrollback, then print a high-contrast horizontal line.
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clear the screen and its scrollback, then print a high-contrast horizontal line.
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using this, you'll know with absolute certainty that you're looking at the top of your history,
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using this, you'll know with absolute certainty that you're looking at the top of your history,
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if [ -n "$n" ]; then
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if [ -n "$n" ]; then
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local url
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local url
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[ "$url" != "${url#sh/}" ] && url="/sh/$f#L$c" || url="/home/${f#.}#L$c"
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[ "$f" != "${f#sh/}" ] && url="/sh/${f#sh/}#L$c" || url="/home/${f#.}#L$c"
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if [ "$n" = "$e" ]; then
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if [ "$n" = "$e" ]; then
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printf '\n### [%s](%s)\n\n' "$n" "$url" >> rc/README.md~ || return 5
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printf '\n### [%s](%s)\n\n' "$n" "$url" >> rc/README.md~ || return 5
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else
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else
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