Merge branch 't/arithmetic_eval'

[gsu.git] / common

diff --git a/common b/common
index a7c39b11ae9f08f528fee3769665a50cbbb5151f..eaa5751b43a9133fba3e497b5d45babe1e46b0e9 100644 (file)
--- 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