X-Git-Url: http://git.tuebingen.mpg.de/?p=gsu.git;a=blobdiff_plain;f=common;h=374b81e0498defc0d6895d3617fe3970f06a3cd3;hp=4b69b2351942178c22e7cc9141713bce5b62e0d6;hb=6d2ca9b4375fb6103a49b64f9b4feee72dd44843;hpb=e08a602e71ba1f9c9bb8e1c493cb4109fc22e952

diff --git a/common b/common
index 4b69b23..374b81e 100644
--- a/common
+++ b/common
@@ -31,7 +31,7 @@ ${gsu_errors:-}
 		#echo "a:$a,  b: $b"
 		gsu_error_txt[i]="$b"
 		eval $a=$i
-		i=$(($i + 1))
+		i=$((i + 1))
 	done << EOF
 	$gsu_errors
 EOF
@@ -68,15 +68,15 @@ gsu_err_msg()
 	local txt="$result" err
 
 	gsu_is_a_number "$ret"
-	if (($ret < 0)); then
+	if ((ret < 0)); then
 		gsu_msg "unknown error ($ret:$txt)"
 		exit 1
 	fi
-	if (($result >= 0)); then
+	if ((result >= 0)); then
 		gsu_msg "unknown error ($result:$txt)"
 		exit 1
 	fi
-	err=$((0 - $result))
+	err=$((0 - result))
 	if test -n "$txt"; then
 		txt="$txt: ${gsu_error_txt[$err]}"
 	else