Mercurial > dotfiles
view .shell.d/00.path_manipulation.sh @ 414:1b5d9d370b04
tramp: use bash on a FreeBSD machine
tramp appears to be unclear on the concept of portable shell
scripting. This is an interim hack until I can figure out what's going
on.
author | Augie Fackler <raf@durin42.com> |
---|---|
date | Sun, 31 Jan 2016 20:37:35 -0500 |
parents | 7dfb7799567f |
children | c85072e620a8 |
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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 else echo $1 not in $varname fi }