added simple xargs script

2011-05-11 14:12:25 +00:00 · 2011-05-11 14:12:25 +00:00 · 2b5b3b9ec4
commit 2b5b3b9ec4
parent ac2e6cf020
1 changed files with 21 additions and 0 deletions
--- a/rc/bin/xargs
+++ b/rc/bin/xargs
@ -0,0 +1,21 @@
+#!/bin/rc
+fn usage {
+	echo usage: $0 [-n num] program [arguments]
+	exit usage
+}
+rfork e
+ifs='
+'
+nargs=1
+while(~ $1 -*) {
+	switch($1) {
+	case -n
+		nargs=$2
+		shift 2
+	case *
+		echo bla
+		usage
+	}
+}
+while(x = `{read -n $nargs})
+	$* $x