Resolve (short) URLs

expandurl.sh

# Put this into your `~/.bashrc` and `source ~/.bashrc`

function expandurl {
    # -s Only output
    # -I HEAD request
    # -L Follow redirects. Combined with -I will print headers from all intermediate redirects
    REDIRECTS=$(curl -sIL $1 | grep ^Location);
    if [[ -z $REDIRECTS ]]; then
        echo "Location: ${1}";
    else
        echo "$REDIRECTS";
    fi
}

# Example
# 
# $ mau:~> expandurl goo.gl/dUV6Su
# Location: http://www.mauriciohanika.de/