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# utils
#
# utility functions
#
# Copyright © 2011 Tobias Klauser <tklauser@distanz.ch>
# Released under the terms of the Artistic Licence 2.0
#
# Source repository: git://git.distanz.ch/dotfiles/zsh.git
# prepend custom directory to $PATH
path_prepend()
{
local dir
for dir; do
case "$PATH" in
"*:${dir}:*"|"${dir}:*"|"*:${dir}") :;;
*) test -d "$dir" && path=("$dir" $path);;
esac
done
}
# append custom directory to $PATH
path_append()
{
local dir
for dir; do
case "$PATH" in
"*:${dir}:*"|"${dir}:*"|"*:${dir}") :;;
*) test -d "$dir" && path+="$dir";;
esac
done
}
# are we root?
is_root() {
test ${EUID:?} -eq 0
}
# are we on Mac OS X?
is_darwin() {
[[ $OSTYPE == darwin* ]] && return 0
return 1
}
# are we running within an utf environment?
is_utfenv() {
case "$LANG $CHARSET $LANGUAGE" in
*utf*) return 0 ;;
*UTF*) return 0 ;;
*) return 1 ;;
esac
}
# vim:ft=zsh
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