patch 8.2.4543: Coverity warning for refactored tag search code Commit: https://github.com/vim/vim/commit/20fb28b1dcc092787e1a7b22dcfcfe1e46e29813 Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Fri Mar 11 12:05:18 2022 +0000 patch 8.2.4543: Coverity warning for refactored tag search code Problem: Coverity warning for refactored tag search code. Solution: Avoid the warnings. Update comments. Add one more test case. (Yegappan Lakshmanan, closes #9928)

#! /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