X-Git-Url: http://git.tuebingen.mpg.de/?p=gsu.git;a=blobdiff_plain;f=common;h=eaa5751b43a9133fba3e497b5d45babe1e46b0e9;hp=a7c39b11ae9f08f528fee3769665a50cbbb5151f;hb=b84b22a0cdc9514eb9f19ba13f34e2be257fd446;hpb=03ad6fa34ffda8f6846dd83056c0722f884b57cf

diff --git a/common b/common
index a7c39b1..eaa5751 100644
--- a/common
+++ b/common
@@ -35,7 +35,7 @@ EOF
 gsu_is_a_number()
 {
 	result="$1"
-	if test "$1" -eq "$1" &> /dev/null; then
+	if (("$1" == "$1")) &> /dev/null; then
 		ret=$GSU_SUCCESS
 	else
 		ret=-$E_GSU_NOT_A_NUMBER
@@ -62,11 +62,11 @@ gsu_err_msg()
 	local txt="$result" err
 
 	gsu_is_a_number "$ret"
-	if test $ret -lt 0; then
+	if (($ret < 0)); then
 		gsu_msg "unknown error ($ret:$txt)"
 		exit 1
 	fi
-	if test $result -ge 0; then
+	if (($result >= 0)); then
 		gsu_msg "unknown error ($result:$txt)"
 		exit 1
 	fi