sed-http-url-replace.sh

#!/bin/bash
# replace URL
seperator="→"
config="filename"
#config style
#https://a.com→https://b.com
destination="destination"
for line in `cat $config`;do
    echo $line
    before=`echo $line|cut -d $seperator -f1|sed 's#\/#\\\/#g'`
    after=`echo $line|cut -d $seperator -f2|sed 's#\/#\\\/#g'`
    sed -i "" "s/$before/$after/g" $destination
done