ip-address

#!/bin/bash

# | perl -p -e 'chomp'
# Look for a file identifying the host
# This is necessary b/c DHCP sometimes gives the computer a 
# different hostname
if [ -f ~/.hostname ]; then 
    if ( grep --silent clio ~/.hostname || grep --silent thalia ~/.hostname || grep --silent euterpe ~/.hostname || grep --silent jen ~/.hostname || grep --silent stitchfix ~/.hostname); then
    # Mac systems, some laptops, may or may not actually be connected.
    # Prefer wired connections
        if ( /sbin/ifconfig en0 | grep --silent inet ); then
	    /sbin/ifconfig en0 | grep inet | grep netmask | \
	        sed 's/.*inet //g' | sed 's/ .*//' 
	    exit
        fi
    # Then wireless connections
        if ( /sbin/ifconfig en1 | grep --silent inet ); then
	    /sbin/ifconfig en1 | grep inet | grep netmask | \
	        sed 's/.*inet //g' | sed 's/ .*//' 
	    exit
        fi
    elif ( grep --silent lerma90 ~/.hostname || grep --silent aramis ~/.hostname || grep --silent sesame ~/.hostname ); then
        # Linux machines with more or less permanent wired connections
        /sbin/ifconfig eth0 | grep inet | grep Masque | \
            sed 's/.*adr://g' | sed 's/ .*//'
    elif ( grep --silent dionysus ~/.hostname ); then
        echo Not implemented
    else 
        echo "Host Unknown!"
        exit
    fi
else
    echo "Can't find .hostname file!"
    exit
fi