From a92edd5f723d56a377905c91bb6321790d0d3a98 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Mon, 27 May 2019 18:19:24 +0200
Subject: Add String and XML helpers

---
 modules/str.inc | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 modules/str.inc

(limited to 'modules/str.inc')

diff --git a/modules/str.inc b/modules/str.inc
new file mode 100644
index 0000000..6179033
--- /dev/null
+++ b/modules/str.inc
@@ -0,0 +1,26 @@
+#!/bin/ash
+
+str_trim() {
+	if [ $# = 0 ]; then
+		tr '\n' '\r' | sed -r 's/^[[:space:]]+//;s/[[:space:]]+$//' | tr '\r' '\n'
+	else
+		printf "%s" "$*" | tr '\n' '\r' | sed -r 's/^[[:space:]]+//;s/[[:space:]]+$//' | tr '\r' '\n'
+	fi
+}
+
+str_upper() {
+	if [ $# = 0 ]; then
+		tr 'a-z' 'A-Z'
+	else
+		printf "%s" "$*" | tr 'a-z' 'A-Z'
+	fi
+}
+
+str_lower() {
+	if [ $# = 0 ]; then
+		tr 'A-Z' 'a-z'
+	else
+		printf "%s" "$*" | tr 'A-Z' 'a-z'
+	fi
+}
+
-- 
cgit v1.2.3-55-g7522