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view .shell.d/00.path_manipulation.sh @ 507:7d298a83fceb
emacs: reference toml instead of toml-mode, fix up some rust packages
author | Augie Fackler <raf@durin42.com> |
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date | Mon, 04 Jan 2021 13:35:57 -0500 |
parents | 10811c923fc0 |
children | b0fa9e7cadac |
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# Functions for manipulating $PATH. Split out so I can use them in .zshenv if I want. function insert_path_element() { insert_element_into_var $1 PATH } function remove_path_element() { remove_element_from_var $1 PATH } function insert_element_into_var () { eval varcontents=\$"$2" eval varname="$2" newcomp="$1" if echo "$varcontents" | grep "$newcomp:" >> /dev/null; then true elif [[ "$varcontents" == "" ]] ; then export $varname="$newcomp" else export $varname="$newcomp:$varcontents" fi } function remove_element_from_var() { eval varcontents=\$"$2" eval varname="$2" newcomp="$1" if echo "$varcontents" | grep "$newcomp:" >> /dev/null; then export $varname="`echo $varcontents | sed s%$newcomp:%%`" elif [[ "$varcontents" == "$newcomp" ]] ; then unset $varname fi } function append_path_element() { export PATH="${PATH}:$1" }