Downloads, extracts and removes a archive file.

dlextract.sh

# 2016 Christoph "criztovyl" Schulz
# No Copyright, too trivial.
dlextract() {
    file=$1
    command=$2
    keep=$3
    wget $file && $command `basename $_` && [ "$keep" ] || rm -f $_
}
dlunzip(){ dlextract "$1" "7z x" $2; }
dluntar(){ dlextract "$1" "tar -xaf" $2; }