Initial code commit

back/general.go

@@ -0,0 +1,29 @@
+package back
+
+import (
+	"fmt"
+	"os"
+)
+
+// RemoveTrailingEmptyStrings removes empty strings from the end of a slice.
+func RemoveTrailingEmptyStrings(slice []string) []string {
+	for i := len(slice) - 1; i >= 0; i-- {
+		if slice[i] != "" {
+			return slice[:i+1]
+		}
+	}
+	return nil
+}
+
+// PrintError prints an error message in the standard libmutton format and exits with the specified exit code.
+// Requires: message (the error message to print),
+// exitCode (the exit code to use),
+// forceHardExit (if true, exit immediately; if false, allow soft exit for interactive clients).
+func PrintError(message string, exitCode int, forceHardExit bool) {
+	fmt.Println(AnsiError + message + AnsiReset)
+	if forceHardExit {
+		os.Exit(exitCode)
+	} else {
+		Exit(exitCode)
+	}
+}