From: Colin Watson <cjwatson@chiark.greenend.org.uk>
Date: Mon, 23 Sep 2002 13:31:09 +0000 (+0000)
Subject: pwhich: A portable (I believe) /bin/sh implementation of 'which'.
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~cjwatson/git?p=bin.git;a=commitdiff_plain;h=9b218e3408d6544bfce111bfe48746b9444285c6

pwhich: A portable (I believe) /bin/sh implementation of 'which'.
---

diff --git a/pwhich b/pwhich
new file mode 100644
index 0000000..47aa80c
--- /dev/null
+++ b/pwhich
@@ -0,0 +1,17 @@
+#! /bin/sh -e
+
+RET=1
+for PROGRAM in "$@"; do
+ IFS_SAVE="$IFS"
+ IFS=:
+ for ELEMENT in $PATH; do
+  if [ -f "$ELEMENT/$PROGRAM" -a -x "$ELEMENT/$PROGRAM" ]; then
+   echo "$ELEMENT/$PROGRAM"
+   RET=0
+   break
+  fi
+ done
+ IFS="$IFS_SAVE"
+done
+
+exit "$RET"