From daf171aa866a55d3e079fbcdd9cf77d139c286c4 Mon Sep 17 00:00:00 2001
From: axel <axel@liljencrantz.se>
Date: Tue, 1 Aug 2006 02:56:26 +1000
Subject: [PATCH] Make grep call in seq fallback implementation Posix compliant

darcs-hash:20060731165626-ac50b-5560aebc877f49f4942b2c730273d8c2424bec24.gz
---
 seq.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/seq.in b/seq.in
index f20c7d48b..aeeab5771 100755
--- a/seq.in
+++ b/seq.in
@@ -39,7 +39,7 @@ switch (count $argv)
 end
 
 for i in $from $step $to
-	if not echo $i | grep '^-\?[0-9]*\(\|.[0-9]\+\)$' >/dev/null
+	if not echo $i | grep -E ^-?[0-9]*([0-9]*|\.[0-9]+)$' >/dev/null
 		printf (_ "%s: '%s' is not a number\n") seq $i
 		exit 1
 	end