1 files changed, 55 insertions, 0 deletions
diff --git a/usr.bin/which/which.pl b/usr.bin/which/which.pl
new file mode 100755
index 0000000..991e551
--- /dev/null
+++ b/usr.bin/which/which.pl
@@ -0,0 +1,55 @@
+#!/usr/bin/perl
+#
+# Copyright (c) 1995 Wolfram Schneider <wosch@FreeBSD.org>. Berlin.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $Id$
+
+$all = $silent = $found = 0;
+@path = split(/:/, $ENV{'PATH'});
+
+if ($ARGV[0] eq "-a") {
+    $all = 1; shift @ARGV;
+} elsif ($ARGV[0] eq "-s") {
+    $silent = 1; shift @ARGV;
+} elsif ($ARGV[0] =~ /^-(h|help|\?)$/) {
+    die "usage:\n\twhich [-a] [-s] program ...\n";
+}
+
+foreach $prog (@ARGV) {
+    if ("$prog" =~ '/' && -x "$prog") {
+	print "$prog\n" unless $silent;
+	$found = 1;
+    } else {
+	foreach $e (@path) {
+	    if (-x "$e/$prog") {
+		print "$e/$prog\n" unless $silent;
+		$found = 1;
+		last unless $all;
+	    }
+	}
+    }
+}
+
+exit (!$found);