#!/bin/sh

set -e

lang="$1"

if [ -z "$lang" ]
then
	lang="nb-NO"
fi

users=/skole/tjener/home0/*
for user in /home/users/mhf
do
    prefsfiles=$user/.mozilla/default/*.slt/prefs.js
    for prefsfile in $prefsfiles
    do
        if [ -f $prefsfile ]
        then
            if grep -e '^user_pref("general.useragent.locale".*);$' \
                    $prefsfile > /dev/null
            then
                # language is already set, do nothing
                true
            else
                # make a backup
                cp $prefsfile $prefsfile.old
                echo "user_pref(\"general.useragent.locale\", \"$lang\");" \
                >> "$prefsfile"
            fi
        fi
    done
done