patch 8.1.0251: using full path is not supported for 'backupdir' commit https://github.com/vim/vim/commit/b782ba475a3f8f2b0be99dda164ba4545347f60f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 7 21:39:28 2018 +0200 patch 8.1.0251: using full path is not supported for 'backupdir' Problem: Using a full path is supported for 'directory' but not for 'backupdir'. (Mikolaj Machowski) Solution: Support 'backupdir' as well. (Christian Brabandt, closes #179)

#! /bin/sh
#
# which.sh -- find where an executable is located.  It's here because the
# "which" command is not supported everywhere.  Used by Makefile.

IFS=":"
for ac_dir in $PATH; do
	if test -f "$ac_dir/$1"; then
		echo "$ac_dir/$1"
		break
	fi
done