curlize-wget

#!/bin/sh

# Author: Lanchon

set -e

parse() {
    if [[ "$1" == -q ]]; then
        shift
        parse2 1 "$@"
    else
        parse2 0 "$@"
    fi
}

parse2() {
    local quiet="$1"
    if [[ $# == 2 ]]; then
        parse3 $quiet "$2"
    elif [[ $# == 4 ]]; then
        if [[ "$2" == -O ]]; then
            parse3 $quiet "$4" "$3"
        elif [[ "$3" == -O ]]; then
            parse3 $quiet "$2" "$4"
        fi
    fi
}

parse3() {
    local quiet="$1"
    local src="$2"
    local dest="$3"
    local dest_opt=-o
    if [[ $# == 2 ]]; then
        dest=-O
        dest_opt=
    fi
    case "$src" in
        "https:"*)
            if [[ $quiet = 0 ]]; then
                echo "Downloading $src"
            fi
            if curl -Lfs $dest_opt "$dest" "$src"; then
                exit 0
            else
                >&2 echo "curlize: download error: $src"
                exit 1
            fi
            ;;
    esac
}

parse "$@"

exec /usr/bin/wget "$@"