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hosts/host-manager
Amos Wenger fd58acc7f7
2011-11-15 14:15:57 -08:00

30 lines
643 B
Bash

#!/bin/bash
# Idea and interface taken from https://github.com/macmade/host-manager
path="/etc/hosts"
addusage="Usage: `basename $0` -add host address"
remusage="Usage: `basename $0` -remove host"
case "$1" in
-add)
if [ $# -eq 3 ]; then
if [[ -n $(grep "^$3.*[^A-Za-z0-9\.]$2$" hosts) ]]; then
echo "Duplicate address/host combination, ${path} unchanged."
else
printf "$3\t$2\n" >> ${path}
fi
else
echo $addusage;
fi
;;
-remove)
if [ $# -eq 2 ]; then
sed -i '' -e "s/^[^#].*[^A-Za-z0-9\.]$2$//g" -e "/^$/ d" ${path}
else
echo $remusage;
fi
;;
*)
echo $addusage;
echo $remusage;
esac