.profile_functions

#!/bin/bash

function add_prefix
{
	for newPrefix in "$@"; do
		while [ "$newPrefix" != "${newPrefix%/}" -o "$newPrefix" != "${newPrefix%/.}" ]; do
			newPrefix=${newPrefix%.}
			newPrefix=${newPrefix%/}
		done
		if [ -d "$newPrefix/bin" ]; then
			export PATH="$(sed 's,\(\^\|\(:\)\)'"$newPrefix"'/bin\(\$\|\(:\)\),\2\4,;s/:\+/:/g'<<<"$PATH")"
			[ -n "$PATH" ] && export PATH=":$PATH"
			export PATH="$newPrefix/bin$PATH"
		fi

		if [ -d "$newPrefix/lib" ]; then
			export LD_LIBRARY_PATH="$(sed 's,\(\^\|\(:\)\)'"$newPrefix"'/lib\(\$\|\(:\)\),\2\4,;s/:\+/:/g'<<<"$PATH")"
			[ -n "$LD_LIBRARY_PATH" ] && export LD_LIBRARY_PATH=":$LD_LIBRARY_PATH"
			export LD_LIBRARY_PATH="$newPrefix/lib$LD_LIBRARY_PATH"
		fi

		if [ -d "$newPrefix/lib/pkgconfig" ]; then
			export PKG_CONFIG_PATH="$(sed 's,\(\^\|\(:\)\)'"$newPrefix"'/lib/pkgconfig\(\$\|\(:\)\),\2\4,;s/:\+/:/g'<<<"$PATH")"
			[ -n "$PKG_CONFIG_PATH" ] && export PKG_CONFIG_PATH=":$PKG_CONFIG_PATH"
			export PKG_CONFIG_PATH="$newPrefix/lib/pkgconfig$PKG_CONFIG_PATH"
		fi
	done
}