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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
}
function zsh_recompile() {
autoload -U zrecompile
rm -f ~/.zsh/*.zwc
[[ -f ~/.zshrc ]] && zrecompile -p ~/.zshrc
[[ -f ~/.zshrc.zwc.old ]] && rm -f ~/.zshrc.zwc.old
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 "'$1' cannot be extracted via extract()" ;;
esac
else
echo "'$1' is not a valid file"
fi
}
function trash() {
local path
for path in "$@"; 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
}
function strip_diff_leading_symbols() {
local color_code_regex="(\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K])"
# simplify the unified patch diff header
sed -r "s/^($color_code_regex)diff --git .*$//g" | \
sed -r "s/^($color_code_regex)index .*$/\n\1$(rule)/g" | \
sed -r "s/^($color_code_regex)\+\+\+(.*)$/\1+++\5\n\1$(rule)\x1B\[m/g" |\
# actually strips the leading symbols
sed -r "s/^($color_code_regex)[\+\-]/\1 /g"
}
## Print a horizontal rule
function rule() {
printf "%$(tput cols)s\n" | tr ' ' '-'
}
# vim: set ts=8 sw=4 tw=0 fenc=utf-8 ft=zsh: #
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