tasks a-s

Task/Scope-Function-names-and-labels/UNIX-Shell/scope-function-names-and-labels.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+multiply 3 4    # This will not work
+echo $?    # A bogus value was returned because multiply definition has not yet been run.
+
+multiply() {
+  return `expr $1 \* $2`    # The backslash is required to suppress interpolation
+}
+
+multiply 3 4    # Ok. It works now.
+echo $?         # This gives 12