patch 8.2.2681: Vim9: test fails for redeclaring script variable Commit: https://github.com/vim/vim/commit/12be734faffe1da04dfa9098e73abaa864204bc5 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 31 21:47:33 2021 +0200 patch 8.2.2681: Vim9: test fails for redeclaring script variable Problem: Vim9: test fails for redeclaring script variable. Solution: It's OK to assign to an existing script variable in legacy.

#! /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