#!/bin/bash

cat muhrc |grep -v "nickname =" > muhrc
cat muhrc |grep -v "altnickname" > muhrc

echo -e "
nickname = \"$1\";\n
altnickname = \"$1|1\";\n
altnickname2 = \"$1|2\";\n
altnickname3 = \"$1|3\";\n
altnickname4 = \"$1|4\";
" >> muhrc