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add and restore some docstrings

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This commit is contained in:
Connor Olding 2021-07-30 17:57:08 -07:00
parent 691b8251df
commit fd83d41ab2
44 changed files with 292 additions and 115 deletions
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92
home/-shrc
View file

@ -5,7 +5,7 @@
# {{{1 utilities
if [ -z "$ZSH_VERSION" ]; then
has() { # hardcode this function from ~/sh/has for convenience
has() { ### @- hardcoded here for convenience.
which "$1" >/dev/null 2>&1 && which "$1"
}
fi
@ -21,7 +21,8 @@ else
alias maybesudo="maybesudo_ " # allows aliases within the alias
fi
ADDPATH() {
ADDPATH() { ### @ ADDPATH
### append a directory to `$PATH` if it isn't already present.
new="$(readlink -f "$1")"
if [ ! -d "$new" ]; then
echo -E "ADDPATH: path doesn't exist: $1" >&2
@ -109,38 +110,38 @@ alias lr="lr -G"
export LESS='-SRQ'
alias db="dropbox_uploader"
alias fils="du -bahd1"
alias lsa="ls -A --group-directories-first"
alias perlu='perl -Mopen=locale -Mutf8'
alias rgn="rg --no-ignore"
alias cms="cryptominisat5 --verb 0"
alias curls="curl -sS"
alias fils="du -bahd1" ### @- (GNU du) display human-friendly filesizes for the files in a directory.
alias lsa="ls -A --group-directories-first" ### @- (GNU ls) list files with directories and dotfiles ordered first.
alias perlu='perl -Mopen=locale -Mutf8' ### @- invoke perl expecting files with UTF-8 encoding.
alias rgn="rg --no-ignore" ### @- invoke ripgrep without respecting `.gitignore` files.
alias cms="cryptominisat5 --verb 0" ### @- invoke cryptominisat5 with less noise.
alias curls="curl -sS" ### @- invoke curl with less noise.
# git {{{2
alias get="git clone --single-branch --depth 1"
alias gs='git status' # rip ghostscript
alias gd='git diff -U2'
alias gds='git --no-pager diff --stat'
alias gl='git log --oneline'
alias glo='git log --graph --decorate --pretty=oneline --abbrev-commit --all'
alias g1='git log --pretty=oneline --abbrev-commit --color=always | head -1'
alias gr='git remote -v'
alias gb='git --no-pager branch'
alias get="git clone --single-branch --depth 1" ### @- retrieve the most recent files from the default branch of a git repository, and not much else.
alias gs='git status' ### @- invoke git's status subcommand.
alias gd='git diff -U2' ### @- invoke git's diff subcommand with fewer lines of context.
alias gds='git --no-pager diff --stat' ### @- display difference stats from git.
alias gl='git log --oneline' ### @- invoke git's log subcommand with a single line per commit.
alias glo='git log --graph --decorate --pretty=oneline --abbrev-commit --all' ### @- navigate git's commit tree succinctly.
alias g1='git log --pretty=oneline --abbrev-commit --color=always | head -1' ### @- display the most recent git commit.
alias gr='git remote -v' ### @- display remote git repositories verbosely.
alias gb='git --no-pager branch' ### @- display the current git branch.
# being specific {{{2
[ -e "$HOME/python3" ] && alias py="~/python3" || alias py="python3"
alias pip="maybesudo -H pip3"
alias revend='objcopy -I binary -O binary --reverse-bytes=4'
alias revend='objcopy -I binary -O binary --reverse-bytes=4' ### @- reverse the 4-byte endianness of a single file. *this is an in-place operation!*
alias aur="BUILDDIR=$HOME/src $HOME/sh/aur -jj"
alias clone='maybesudo rsync -aHA --info=progress2 --no-i-r'
alias aligntabs="column -t -s$'\t'"
alias crawla='ssh joshua@crawl.akrasiac.org -i ~/.ssh/crawl'
alias crawlz='ssh crawl@crawl.develz.org -i ~/.ssh/crawl'
alias clone='maybesudo rsync -aHA --info=progress2 --no-i-r' ### @- invoke rsync suitably for creating virtually indistinguishable copies of files.
alias aligntabs="column -t -s$'\t'" ### @- align tab-delimited fields in stdin.
alias crawla='ssh joshua@crawl.akrasiac.org -i ~/.ssh/crawl' ### @- play Dungeon Crawl: Stone Soup through ssh on the akrasiac server.
alias crawlz='ssh crawl@crawl.develz.org -i ~/.ssh/crawl' ### @- play Dungeon Crawl: Stone Soup through ssh on the develz server.
alias ll="lol" # workaround for a strange issue with bash
lol() {
lol() { ### @ ll - list files verbosely, fancily, ordered, but not recursively.
{ lr -1lshGG -o tev -t 'name~~".*"||type==d' "$@" \
&& lr -1lshGG -o tev -t 'name!~~".*"&&type!=d' "$@" \
|| ls -lAX --group-directories-first --color=force "$@"; } | less
@ -148,28 +149,31 @@ lol() {
# providing extra functionality {{{2
alias diff="git diff --color=auto --no-ext-diff --no-index --no-prefix"
alias gc="git column --mode=dense --padding=2"
alias counts='find . | wc -l'
alias exts="find -type f | grep -o '\\.[^/.]*$' | sort | uniq -c | sort -n"
alias nocom='grep -Ev --line-buffered --color=never "^[[:space:]]*(//|#)"'
alias sortip="sort -t . -k 1,1n -k 2,2n -k 3,3n -k 4,4n"
alias jrep='grep -aPo "[\x{20}-\x{7E}\x{4E00}-\x{9FFF}\x{3040}-\x{30FF}]+"'
alias bomb='uconv -f utf-8 -t utf-8 --add-signature'
alias cleanse='tr -cd "\11\12\15\40-\176"'
alias rot13='tr "A-Za-z0-9" "N-ZA-Mn-za-m5-90-4"'
alias unwrap='awk '\''BEGIN{RS="\n\n";FS="\n"}{for(i=1;i<=NF;i++)printf "%s ",$i;print "\n"}'\'
alias double='awk "{print;print}"'
alias join2='paste -d" " - -'
alias katagana='perlu -MUnicode::Normalize -pe'"'"'$_=NFKD($_)=~y/ァ-ヶ /ぁ-ゖ　/r'"'"
alias picky='{ pacman -Qgq base base-devel xorg xorg-drivers xfce4 | double; pacman -Qeq; } | sort | uniq -u'
alias unused='{ pacman -Qtq; pacman -Qeq | double; } | sort | uniq -u'
alias makepkgf='makepkg -Af --skipchecksums --skippgpcheck'
alias rakef='rake && gem build *.gemspec && gem install *.gem'
alias diff="git diff --color=auto --no-ext-diff --no-index --no-prefix" ### @- use git's diff subcommand for general diffing.
alias gc="git column --mode=dense --padding=2" ### @- columnize text by using git's column subcommand.
alias counts='find . | wc -l' ### @- count files in the current directory, including files found recursively.
alias exts="find -type f | grep -o '\\.[^/.]*$' | sort | uniq -c | sort -n" ### @- count and sort file extensions in the current directory, including files found recursively.
alias nocom='grep -Ev --line-buffered --color=never "^[[:space:]]*(//|#)"' ### @- strip single-line C-like and shell-like comments.
alias sortip="sort -t . -k 1,1n -k 2,2n -k 3,3n -k 4,4n" ### @- sort numerically by IPv4 segments.
alias jrep='grep -aPo "[\x{20}-\x{7E}\x{4E00}-\x{9FFF}\x{3040}-\x{30FF}]+"' ### @- extract strings comprised of basic ASCII or Japanese codepoints.
alias bomb='uconv -f utf-8 -t utf-8 --add-signature' ### @- add a Byte-Order Mark to a file.
alias cleanse='tr -cd "\11\12\15\40-\176"' ### @- strip unprintable and non-ASCII characters.
alias rot13='tr "A-Za-z0-9" "N-ZA-Mn-za-m5-90-4"' ### @- rot13 with numbers rotated as well.
alias unwrap='awk '\''BEGIN{RS="\n\n";FS="\n"}{for(i=1;i<=NF;i++)printf "%s ",$i;print "\n"}'\' ### @- join paragraphs into one line each.
alias double='awk "{print;print}"' ### @- print every line twice. <br/> print every line twice.
alias join2='paste -d" " - -' ### @- join every other line.
alias katagana='perlu -MUnicode::Normalize -pe'"'"'$_=NFKD($_)=~y/ァ-ヶ /ぁ-ゖ　/r'"'" ### @- convert katakana codepoints to their equivalent hiragana.
### useful for translating [debug text from ancient games.](https://tcrf.net/)
alias picky='{ pacman -Qgq base base-devel xorg xorg-drivers xfce4 | double; pacman -Qeq; } | sort | uniq -u' ### @- TODO
alias unused='{ pacman -Qtq; pacman -Qeq | double; } | sort | uniq -u' ### @- TODO
alias makepkgf='makepkg -Af --skipchecksums --skippgpcheck' ### @- make the freakin' package!
alias rakef='rake && gem build *.gemspec && gem install *.gem' ### @- make the freakin' gem!
eashare() {
# NOTE: this only works on MSYS2 for now.
# NOTE: i lied, this doesn't work anymore. idk
eashare() { ### @- upload a file and copy its URL to the clipboard.
###
### **NOTE:** this only works on MSYS2 for now.
###
### **NOTE:** i lied, this doesn't work at all.
local dest="${1##*/}"
eaput "$1" || return 1
printf "%s" "$_REMOTE_DOMAIN/$_REMOTE_DIR/$dest" >> /dev/clipboard

3
home/bashrc
View file

@ -46,5 +46,4 @@ ADDPATH "$HOME/sh"
. ~/.sh-bash
: $((SOURCING-=1))
# TODO: respect initctl like in .zshrc.
alias reload='cd; exec bash'
alias reload='cd; exec bash' ### @- **TODO:** respect initctl like in `.zshrc`.

38
home/zshrc
View file

@ -68,22 +68,30 @@ function {
local fuzzy=`has fzy || print`
dirprev() {
dirprev() { ### @ dirprev
### rotate and change to the previous directory in the directory stack
### without consuming the prompt.
pushd -q +1
zle reset-prompt
precmd
}
dirnext() {
dirnext() { ### @ dirnext
### rotate and change to the next directory in the directory stack
### without consuming the prompt.
pushd -q -0
zle reset-prompt
precmd
}
dirup() {
dirup() { ### @ dirup
### change to the parent directory of the current working directory
### without consuming the prompt.
cd ..
zle reset-prompt
precmd
}
dirview() {
dirview() { ### @ dirview
### use a fuzzy finder to select a recent directory in the directory stack
### and change to it without consuming the prompt.
print
if [ -n "$fuzzy" ]; then
local d="$(dirs -pl | awk '!seen[$0]++' | "$fuzzy")"
@ -155,21 +163,26 @@ bindkey '^Xe' edit-command-line # ctrl+x -> e
. ~/.-shrc
alias -g OMFG="1>/dev/null"
alias -g STFU="2>/dev/null"
alias -g WHOA='${whoa[@]}'
alias -g WELP='${welp[@]}'
alias -g OMFG="1>/dev/null" ### @ OMFG - silence stdout.
alias -g STFU="2>/dev/null" ### @ STFU - silence stderr.
alias -g WHOA='${whoa[@]}' ### @ WHOA - expand to several C/C++ flags to ease development.
alias -g WELP='${welp[@]}' ### @ WELP - expand to C++ flags to enable a C++-as-C facade.
alias sc="~/sh/sc" # only runs in bash (for now), so be explicit with path
alias pl="print -l" # not in -shrc because this only makes sense with zsh
# not in -shrc because this only makes sense with zsh:
alias pl="print -l" ### @ pl - print each argument on its own line.
function tw() { # needs the "function" keyword or else zsh complains
# needs the "function" keyword or else zsh complains:
function tw() { ### @ tw
### invoke `twitch` as a job with both stdout and stderr silenced.
twitch "$@" OMFG STFU &
}
local host="${(L)HOST}"
function {
# initialize prompts.
local t="${TERM%%-*}"
if [ "$t" = xterm ] || [ "$t" = screen ] || [ "$t" = tmux ]; then
# set window title
@ -204,7 +217,9 @@ function {
PROMPT="%{$reset${s}%(?.${good}.${bad})${e}${s}97${e}%}%#%{$reset%} "
}
reload() {
reload() { ### @ reload
### reload zsh by wiping temp files, recompiling rc files,
### and replacing the current process with a new zsh process.
# initctl has a "reload" symlink, but i'm already too used to typing this.
# to remedy this, when args are passed, invoke initctl instead.
if [ $# -gt 0 ]; then
@ -229,6 +244,7 @@ reload() {
# generated by dircolors with https://github.com/isene/LS_COLORS
function {
# initialize colors for ls.
local lsc= line=
< ~/.ls_colors | tr -d $'\r' | while read -r line; do
lsc+="$line:"

3
sh/arith
View file

@ -6,7 +6,8 @@
# though technically compatible with other shells,
# extra functionality is through zsh's extended arithmetic functions.
arith() {
arith() { ### @-
### perform arithmetic using the shell and display the result.
# <<<"$(($@))"
printf "%s\n" "$(($@))"
}

5
sh/aur
View file

@ -4,7 +4,10 @@
# TODO: check compatibility with bash and dash.
aur() {
aur() { ### @-
### download, edit, make, and install packages from the
### [AUR.](https://aur.archlinux.org/)
### it's a little broken.
trap 'exit 1' SIGINT SIGTERM
local bd="${BUILDDIR:-$PWD}"

4
sh/autosync
View file

@ -5,7 +5,9 @@
# TODO: portable way of dodging aliases to allow other shell support?
autosync() {
autosync() { ### @-
### combine `inotifywait` and `rsync`.
### this is sometimes nicer than `ssh`-ing into a server and running `vim` remotely.
target="$1"
shift
# as a reminder not to get the argument order mixed up:

3
sh/cdbusiest
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@ -1,7 +1,8 @@
#!/usr/bin/env zsh
# YES_ZSH
cdbusiest() {
cdbusiest() { ### @-
### cd to the directory with the most files in it, counted recursively.
dbusiest | read -r c d
[ -z $c ] && return 1
printf "%s\n" "$c $d"

4
sh/colors
View file

@ -3,7 +3,9 @@
# YES_BASH
# NO_DASH
colors() {
colors() { ### @-
### print out all the foreground and background terminal color combinations.
### excluding boilerplate, this script is a mere a 76-characters long!
[ $# -eq 0 ] || { printf "%s\n" "$0: does not take arguments" >&2; return 1; }
printf "\e[%dm$(printf " \e[%dm mV \e[40m" {4,10}{0..7})\e[0m\n" {3,9}{0..7}
}

4
sh/compandy
View file

@ -2,7 +2,9 @@
# script to make sense of compand's parameters
# YES_ZSH
compandy() {
compandy() { ### @-
### generate compand arguments for ffmpeg audio filters.
### this is kinda pointless now that acompressor is wildly supported.
if [ $# -eq 0 ]; then
echo -E "usage: $0 {threshold} {ratio} [attack] [release] [knee] [gain] [delay]"
return 1

17
sh/compile
View file

@ -4,7 +4,7 @@
# NO_DASH
# I'll just leave this here...
__setup_clang_ubuntu() {
__setup_clang_ubuntu() { ### @-
local site="http://apt.llvm.org"
local name="$(lsb_release -c | cut -f2)"
local version=10 # NOTE: no longer decimal-based
@ -26,7 +26,20 @@ deb $site/$name/ llvm-toolchain-$name-$version main\n\
echo update-alternatives --install /usr/bin/llvm-symbolizer llvm-symbolizer /usr/bin/llvm-symbolizer-$version $priority
}
compile() {
compile() { ### @-
### compile single-file C and C++ programs, messily.
###
### supports gcc and clang on \*nix, and mingw64 gcc, msvc clang,
### and regular msvc on Windows. tested on x86\_64 and on ARMv7 as well.
### does not support MacOS, maybe someday…
###
### defaults to gnu11 and gnu++1z as C and C++ standards respectively.
### defaults to clang, gcc, and msvc in that order.
###
### `compile` attempts to guess the most sane switches for any program, so that compilation may reduce to:
###
### **TODO:** restore examples.
# FIXME: compile gcc portrend.c -lsdl
# this causes mayhem!

11
sh/confirm
View file

@ -3,6 +3,17 @@
# YES_BASH
# NO_DASH
### @ confirm
### display a simple yes-or-no prompt and return 0-or-1 respectively.
###
### ```
### $ confirm && echo yay || echo nay
### Continue? [y/N] y
### yay
### $ confirm && echo yay || echo nay
### Continue? [y/N] n
### nay
### ```
if [ -n "$ZSH_VERSION" ]; then
confirm() {
[ $# -le 0 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }

8
sh/days
View file

@ -3,7 +3,13 @@
# YES_BASH
# YES_DASH
days() {
days() { ### @-
### compute days since a given date.
###
### ```
### $ days 'January 1 1970'
### 18838
### ```
[ $# -le 1 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
echo $(( ($(date +%s) - $(date -d "$1" +%s)) / 60 / 60 / 24 ))
}

3
sh/dbusiest
View file

@ -3,7 +3,8 @@
# NO_BASH
# NO_DASH
dbusiest() {
dbusiest() { ### @-
### display the directory with the most files in it, counted recursively.
[ $# -le 0 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
local c d
for d in *(FDN); do

5
sh/dfu
View file

@ -3,7 +3,10 @@
# YES_BASH
# YES_DASH
dfu() {
dfu() { ### @-
### pretty-print `df` in GiB.
###
### **TODO:** restore examples.
[ $# -le 0 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
df -xtmpfs | awk '
NR==1{printf"%-20s %7s %7s %7s %7s\n","Filesystem","Used","Max","Left","Misc"}

3
sh/disf
View file

@ -6,7 +6,8 @@
# TODO: actually test that this works with dash.
function disf() {
function disf() { ### @-
### disassemble a single function from an unstripped executable, unreliably.
[ $# -le 2 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
local exe="${1:?first argument should be an unstripped executable}"
local symbol="${2:?second argument should be a function name}"

4
sh/document
View file

@ -64,14 +64,16 @@ document2() {
if [ "$n" = "$e" ]; then
printf '\n### [%s](%s)\n\n' "$n" "$url" >> rc/README.md~ || return 5
else
printf '\n### [%s](%s)\n\n' "$n.${f#.}" "$url" >> rc/README.md~ || return 5
printf '\n### [%s](%s)\n\n' "$n (${f#.})" "$url" >> rc/README.md~ || return 5
#printf '\n### %s\n\n* defined in [%s](%s)\n\n' "$n" "$f" "$url" >> rc/README.md~ || return 5
fi
fi
if [ "$s" != ' ' ]; then
if [ -z "$n" -o -n "$s" ]; then
printf '%s\n' "$s" >> rc/README.md~ || return 5
fi
fi
done < "$f" || return 4
}

9
sh/e
View file

@ -3,7 +3,14 @@
# NO_BASH
# NO_DASH
e() {
e() { ### @-
### wrap around `$EDITOR` to run it as root if necessary.
### this still needs some work to detect root-owned directories.
###
### ```
### $ e /etc/sudoers
### [sudo] password for notwa:
### ```
local editor=(${=EDITOR})
local running=0

5
sh/has
View file

@ -3,7 +3,10 @@
# YES_BASH
# YES_DASH
has() {
has() { ### @-
### print the result of `which` if the program is found, else simply return 1.
###
### `export CC="$(has clang || has clang-3.8 || has gcc)"`
if [ -n "$ZSH_VERSION" ]; then
whence -p "$1"
else

3
sh/hex
View file

@ -6,7 +6,8 @@
# though technically compatible with other shells,
# extra functionality is through zsh's extended arithmetic functions.
hex() {
hex() { ### @-
### perform arithmetic using the shell and display the result as an unsigned 32-bit integer in hexadecimal.
printf "%08X\n" "$(($@))"
}

11
sh/ify
View file

@ -3,7 +3,16 @@
# YES_BASH
# YES_DASH
ify() {
ify() { ### @-
### pipe one command through another, so you can still pass arguments to the former.
###
### this is mainly useful for aliases. 99% of the time you'll use this with `less`.
###
### ```
### $ alias ll="ify less ls -ACX --group-directories-first --color=force"
### $ ll /etc
### ```
[ $# -ge 2 ] || { printf "%s\n" "$0: too few arguments" >&2; return 1; }
local ex="$1"
shift

3
sh/is_empty
View file

@ -3,7 +3,8 @@
# YES_BASH
# NO_DASH
is_empty() {
is_empty() { ### @-
### return 0 if the directory given by argument is empty.
while read -r f; do
[ ! -d "$f" ] && [ -s "$f" ] && return 1
done < <(find ${1:-.})

3
sh/isup
View file

@ -5,7 +5,8 @@
# TODO: damned substrings. rewrite to be semi-portable.
isup() {
isup() { ### @-
### return 0 if a given website returns a 2xx HTTP code.
local c
curl -sLI -w '%{http_code}' -o /dev/null "$1" | read -r c
[ "${c:0:1}" -eq 2 ]

12
sh/minutemaid
View file

@ -1,11 +1,17 @@
#!/usr/bin/env dash
# crontab usage:
#* * * * * minutemaid 9 ~/work/do_my_bidding # runs every nine minutes
# YES_ZSH
# YES_BASH
# YES_DASH
minutemaid() {
minutemaid() { ### @-
### return 0 if the current minute is divisible by a number.
### note that a minute is relative to the seconds since the epoch, not the minute of the hour.
###
### ```
### # crontab usage:
### * * * * * minutemaid 9 ~/work/do_my_bidding # runs every nine minutes
### ```
local offset=0 name
while getopts 'o:h' name; do
case $name in

3
sh/monitor
View file

@ -1,7 +1,8 @@
#!/usr/bin/env zsh
# YES_ZSH
monitor() {
monitor() { ### @-
### this is `watch` loosely reimplemented as a shell script.
local bottom=0 strip=0 interval=2 opt=
while getopts 'fsn:h' opt; do
case $opt in

3
sh/noccom
View file

@ -7,7 +7,8 @@
# TODO: what's the minimum version of perl required for this?
noccom() {
noccom() { ### @-
### strip C-like comments; both multi-line and single-line.
[ -s ~/opt/local/bin/noccom ] || cat > ~/opt/local/bin/noccom <<EOF
#!/usr/bin/env perl

13
sh/now
View file

@ -5,7 +5,18 @@
# dash compatibility is not fully tested, but it's probably okay.
now() {
now() { ### @-
### print a date-time (UTC) in a sortable format.
### this takes a date or file as an argument,
### else it defaults to the current time.
### ```
### $ now
### 2019-05-27_35083906
### $ now ~/sh/monitor
### 2017-03-14_82387259
### $ now '@1234567890'
### 2009-02-13_84690000
### ```
[ $# -le 1 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
local dt
local fmt='+%F_%T_%N'

9
sh/pacbm
View file

@ -3,7 +3,14 @@
# YES_BASH
# YES_DASH
pacbm() {
pacbm() { ### @-
### list installed pacman packages by their filesize, and the sum, ascending. requires `expac`.
###
### ```
### $ pacbm | head -n -1 | tail -2
### 204.78M clang
### 235.44M linux-firmware
### ```
expac -s '%m %n' | awk '
{t+=$1;printf("%8.2fM %s\n",$1/(1024*1024),$2)}
END{printf("%8.2fM\n",t/(1024*1024))}

9
sh/pause
View file

@ -3,7 +3,14 @@
# YES_BASH
# NO_DASH
pause() {
pause() { ### @-
### pause — the companion script of `confirm`.
###
### ```
### $ pause
### Press any key to continue
### $
### ```
[ -n "${ZSH_VERSION:-}" ] \
&& read -sk '?Press any key to continue
' || read -n1 -u 1 -sp 'Press any key to continue

5
sh/pre
View file

@ -3,7 +3,10 @@
# YES_BASH
# YES_DASH
pre() {
pre() { ### @-
### dump all the `#define`s that `$CC $CPPFLAGS $CFLAGS $LDFLAGS` would result in.
###
### **TODO:** restore examples.
if [ -n "${ZSH_VERSION:-}" ]; then
${CC:-gcc} -dM -E - $=CPPFLAGS $=CFLAGS $=LDFLAGS < /dev/null
else

8
sh/randir
View file

@ -3,7 +3,13 @@
# YES_BASH
# YES_DASH
randir() {
randir() { ### @-
### display a random directory in the current working directory.
###
### ```
### $ randir
### ./sh
### ```
find -maxdepth 1 -type d \( -path '/root' -prune -o -print \) | tail -n+2 | shuf | head -n1
}

6
sh/rs
View file

@ -1,8 +1,10 @@
#!/usr/bin/env zsh
# rs: record screen
# YES_ZSH
rs() {
rs() { ### @-
### record screen. does not record audio.
### currently only works on Windows (gdigrab).
### i'm sure there's something equivalent for Linux.
set -e
local o_overwrite= o_rate=30 o_duration=0

5
sh/sc
View file

@ -37,7 +37,10 @@ copy_tmp() {
return 0
}
sc() {
sc() { ### @-
### upload given files to a webserver and return a direct link for sharing them.
### you'll want to tweak this if you use it yourself.
### this contains some extra logic for screenshots created by `scropt`.
if [ -n "${ZSH_VERSION:-}" ]; then
# syntax is too different to bother tbh
echo "please run with bash"

5
sh/scramble
View file

@ -3,7 +3,10 @@
# YES_BASH
# YES_DASH
scramble() {
scramble() { ### @-
### scrambles text in a predictable way using regex.
###
### sacbremls ttex in a pdrceailtbe way unsig reegx.
[ $# -eq 0 ] || { printf "%s\n" "$0: does not take arguments" >&2; return 1; }
local eggs='s/@\(\w\)\(\w\)\(\w\)/@\3\1@\2/g'
sed \

3
sh/screeny
View file

@ -1,7 +1,8 @@
#!/usr/bin/env zsh
# YES_ZSH
screeny() {
screeny() { ### @-
### i don't use this anymore~
local user="${1:?needs arg for user name}"
shift
home="/home/$user"

9
sh/scropt
View file

@ -1,11 +1,14 @@
#!/usr/bin/env bash
# YES_ZSH
: $((SOURCING+=1))
#: $((SOURCING+=1))
#. ~/sh/now # FIXME: don't do this?
: $((SOURCING-=1))
#: $((SOURCING-=1))
scropt() {
scropt() { ### @-
### run `scrot` through `optipng` and save the result to `~/play/$(now).png`.
###
### `$ ~/sh/sc $(~/sh/scropt -s -d0.5)`
local now=$(now)
[ $? -eq 0 ] || return $?
local fn="$HOME/play/$now.png"

3
sh/slit
View file

@ -3,7 +3,8 @@
# YES_BASH
# YES_DASH
slit() {
slit() { ### @-
### view specific columns of text.
[ $# -gt 0 ] || { printf "%s\n" "$0: too few arguments" >&2; return 1; }
awk "{ print $(printf ',$%s' $@ | cut -b2-) }"

5
sh/slitt
View file

@ -1,10 +1,11 @@
#!/usr/bin/env dash
# this version of slit uses tabs for input/output field separators.
# YES_ZSH
# YES_BASH
# YES_DASH
slitt() {
slitt() { ### @-
### view specific columns of text.
### this version of `slit` uses tabs for its field separators.
[ $# -gt 0 ] || { printf "%s\n" "$0: too few arguments" >&2; return 1; }
#echo "$@" | awk '{for(i=1;i<NF;i++)printf"$%s,",$(i);print"$"$NF}'
local fields="$(printf ',$%s' $@ | cut -b2-)"

3
sh/sram
View file

@ -1,7 +1,8 @@
#!/usr/bin/env zsh
# YES_ZSH
sram() {
sram() { ### @-
### convert between a couple saveram formats for N64 emulators.
die() {
echo -E "$@">&2
exit 1

33
sh/streamcrap
View file

@ -54,7 +54,8 @@ fi
unset _nn
mpv_watch() {
mpv_watch() { ### @-
### watch something in mpv with a bunch of extra audio filtering crap.
pushd ~/play >/dev/null
local url="$1"; shift
mpv \
@ -65,7 +66,8 @@ mpv_watch() {
popd >/dev/null
}
mpv_stream() {
mpv_stream() { ### @-
### watch a stream in mpv with a bunch of extra audio filtering crap.
pushd ~/play >/dev/null
local url="$1"; shift
if [ -n "$ZSH_VERSION" ]; then
@ -77,12 +79,18 @@ mpv_stream() {
popd >/dev/null
}
twitch() {
twitch() { ### @-
### watch a twitch stream in mpv with a bunch of extra audio filtering crap.
local user="$1"; shift
mpv_stream "http://twitch.tv/$user" "$@"
}
yt() {
yt() { ### @-
### watch a youtube video in mpv with a bunch of extra audio filtering crap.
### this can be given a full URL or just a video ID.
### remaining arguments are passed to mpv.
###
### there exist several variants for more specific use cases.
local vid="$1"; shift
if [[ ! -e "$vid" && "$(expr substr "$vid" 1 4)" != "http" ]]; then
vid="ytdl://$vid"
@ -90,26 +98,31 @@ yt() {
mpv_watch "$vid" "$@"
}
ytg() {
ytg() { ### @-
### watch a youtube video. like `yt`, but with a preference for different formats.
local vid="$1"; shift
yt "$vid" --ytdl-format=22/95/300/best "$@"
}
ytll() {
ytll() { ### @-
### watch a stream on youtube in mpv, etcetera etcetera.
### this is the low latency version that does not support seeking.
youtube-dl -q -f best "$1" -o - | mpv_stream - --no-ytdl
}
ytgll() {
ytgll() { ### @-
### watch a stream on youtube in mpv. like `ytll`, but with a preference for different formats.
youtube-dl -q -f 22/95/300/best "$1" -o - | mpv_stream - --no-ytdl
}
ai() {
# hai domo
ai() { # @-
# hai domo!
yt "$@" --slang=en --sub-font='Tekton Pro' --sub-bold=yes \
--sub-font-size=60 --sub-border-color='#DD6180' --sub-margin-y=52
}
asmr() {
asmr() { # @-
# for your aural pleasure.
_M_PROCESS="acompressor=threshold=0.001:ratio=1.33:attack=900:release=6000:makeup=6:knee=8:mix=0.9,alimiter" \
yt "$@" --volume=90 --ytdl-format=251/300/best
}

12
sh/sv
View file

@ -3,7 +3,17 @@
# YES_BASH
# YES_DASH
sv() {
sv() { ### @-
### collect the lastmost value of every key.
### the field separator can be given as its sole argument.
###
### ```
### echo "this=that\nthem=those\nthis=cat" | sv =
### this=cat
### them=those
### ```
###
### **TODO:** add multi-file grep example.
[ $# -le 1 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
awk "-F${1:- }" '
NF>1{f[$1]=substr($0,length($1)+1+length(FS))}END{for(k in f)print k FS f[k]}

4
sh/tpad
View file

@ -3,7 +3,9 @@
# YES_BASH
# YES_DASH
tpad() {
tpad() { ### @-
### add a 1px transparent border around an image to prevent twitter from mangling it into a jpg.
### sadly, this trick doesn't work anymore.
for f; do
gm convert -bordercolor "#000000FF" -border 1x1 "$f" "${f%.png}.tt.png"
done

3
sh/trunc
View file

@ -3,7 +3,8 @@
# YES_BASH
# YES_DASH
trunc() {
trunc() { ### @-
### truncate text to fit within your terminal using the unicode character `…`.
[ $# -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/unscreen
View file

@ -3,7 +3,8 @@
# NO_BASH
# NO_DASH
unscreen() {
unscreen() { ### @-
### i don't use this anymore~
local pids="$(screen -ls | fgrep "$1" | cut -d. -f1)"
for pid in $=pids; do
local ppid="$(ps h --ppid "$pid" -o pid)"

8
sh/wipe
View file

@ -3,8 +3,12 @@
# YES_BASH
# YES_DASH
wipe() {
# TODO: rename because wipe(1) already exists.
wipe() { ### @-
### clear the screen and its scrollback, then print a high-contrast horizontal line.
### using this, you'll know with absolute certainty that you're looking at the top of your history,
### and that your terminal's scrollback didn't cap out and eat text.
###
### **TODO:** rename because wipe(1) already exists.
[ $# -le 0 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
clear
clear # twice because mintty is weird