patch 8.2.2978: warning for uninitialized variable Commit: https://github.com/vim/vim/commit/744aecf8777e86fac6d30f072e90e2de353b8ea1 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jun 12 12:33:48 2021 +0200 patch 8.2.2978: warning for uninitialized variable Problem: Warning for uninitialized variable. Solution: Set return value to FAIL.

#! /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