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|
#
# zsh/functions.zsh
#
# execute 'functions <func_name>' to show function details.
#
## Check the existence/accessibility of a command
# Credit: https://stackoverflow.com/a/677212/4856091
function exists() {
# 'command' is POSIX-compliant and more portable;
# 'hash' only searches for commands;
# while 'type' also considers builtins and keywords.
type "$1" >/dev/null 2>&1
}
## Check whether the program is running
function is_running() {
pgrep -x -u "${USER}" "$1" /dev/null 2>&1
}
function zsh_recompile() {
autoload -U zrecompile
rm -f ~/.zsh/*.zwc
[[ -f ~/.zshrc ]] && zrecompile -p ~/.zshrc
[[ -f ~/.zshrc.zwc.old ]] && rm -f ~/.zshrc.zwc.old
local f
for f in ~/.zsh/**/*.zsh; do
[[ -f $f ]] && zrecompile -p $f
[[ -f $f.zwc.old ]] && rm -f $f.zwc.old
done
[[ -f ~/.zcompdump ]] && zrecompile -p ~/.zcompdump
[[ -f ~/.zcompdump.zwc.old ]] && rm -f ~/.zcompdump.zwc.old
source ~/.zshrc
}
function extract() {
echo "Extracting '$1' ..."
if [ -f "$1" ] ; then
case "$1" in
*.tar.bz2)
tar xjf "$1";;
*.tar.gz)
tar xzf "$1";;
*.bz2)
bunzip2 "$1";;
*.rar)
unrar x "$1";;
*.gz)
gunzip "$1";;
*.tar)
tar xf "$1";;
*.tbz2)
tar xjf "$1";;
*.tgz)
tar xzf "$1";;
*.zip)
unzip "$1";;
*.Z)
uncompress "$1";;
*.7z)
7z x "$1";;
*)
echo "Unable to extract: '$1'" ;;
esac
else
echo "Invalid file: '$1'"
fi
}
function trash() {
local path
for path in "$@"; do
# ignore any arguments
if [[ "${path}" = -* ]]; then
:
else
local dst="${path##*/}"
# append the time if necessary
while [ -e ~/.trash/"${dst}" ]; do
dst="${dst} "$(date +%H-%M-%S)
done
command mv "${path}" ~/.trash/"${dst}"
fi
done
}
## Print a horizontal rule
function rule() {
printf "%$(tput cols)s\n" | tr ' ' "${1:-=}"
}
## Interactive move/rename: making renaming long filenames less sucks
# Credit: http://chneukirchen.org/dotfiles/.zshrc
function imv() {
local src dst
for src; do
[[ -e "$src" ]] || { print -u2 "$src: does not exist"; continue }
dst="$src"
vared dst
[[ "$src" != "$dst" ]] && mkdir -p ${dst:h} && mv -n $src $dst
done
}
## Print pre-defined C macros
# Credit: http://chneukirchen.org/dotfiles/.zshrc
ccdef() {
${1:-cc} $@[2,-1] -dM -E - </dev/null
}
## Run up to N CMD in parallel with ARGS
# zapply [-jN] [-iv] CMD... -- ARGS...
# CMD will be run as zsh command if it contains a $
# without explicit '--', assume CMD is first argument
# {} (or $1) may be used to access argument
# Credit: http://chneukirchen.org/dotfiles/.zshrc
zapply() {
local s="$@[(i)--]" xopt=
(( s > $# )) && argv[2]=(-- "$argv[2]") && s=2
zparseopts -D -M -A xopt n: p t P: j:=P v=t i=p # map to xargs(1) flags
(( $@[(i){}] < s )) && xopt[-I]={}
[[ $1 = *'$'* ]] && argv[1]=(zsh -c "$1" --) && (( s += 3 ))
printf '%s\0' "$@[s+1,-1]" | xargs -0 -r -n1 ${(kv)=xopt} "$@[1,s-1]"
}
## Generate random password/string
randpass() {
local len=${1:-16}
tr -dc '[:alnum:]' </dev/urandom | head -c ${len} | xargs
}
# vim: set ts=8 sw=4 tw=0 fenc=utf-8 ft=zsh: #
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