add isnumber function

share/eterbuild/functions/strings

@@ -3,6 +3,7 @@
 # Author: Vitaly Lipatov <lav@etersoft.ru>
 # Public domain
 
+
 filter_strip_spaces()
 {
         # possible use just
@@ -11,6 +12,12 @@ filter_strip_spaces()
                 sed -e "s|^ ||" | sed -e "s| \$||"
 }
 
+# TODO: see etersoft-build-utils/tests/test_isnumber.sh
+isnumber()
+{
+	echo "$*" | filter_strip_spaces | grep -q "^[0-9]\+$"
+}
+
 strip_spaces()
 {
         echo "$*" | filter_strip_spaces

tests/test_isnumber.sh

 #!/bin/sh
 
 . `dirname $0`/../share/eterbuild/functions/common
-#load_mod spec
+load_mod strings
 
 check()
 {
@@ -9,12 +9,12 @@ check()
 }
 
 # TODO: move to lib
-isnumber()
-{
-	#local num="$(("$*"))"
-	echo "$*" | filter_strip_spaces | grep -q "^[0-9]\+$"
-	#[ "$num" != "0" ]
-}
+#isnumber()
+#{
+#	#local num="$(("$*"))"
+#	echo "$*" | filter_strip_spaces | grep -q "^[0-9]\+$"
+#	#[ "$num" != "0" ]
+#}
 
 check_arg()
 {