tool: add webpage text replacer

replacehtml.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+[ $# -eq 0 ] && echo "$0" "<old> <new>" && exit 0
+[ $# -eq 1 ] && echo "$0" "<old> <new>" && exit 0
+a=$1
+b=$2
+list=$(ls *.html)
+for f in *.html
+do
+	cat "$f" | sed "s/""$a""/""$b""/" > .tmp
+	mv .tmp "$f"
+done