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Bash script to download sounds from instants.cl
#!/usr/bin/env bash
#
###############################################################################
# #
# (c) 2010, Pablo Olmos de Aguilera <pablo[at}glatelier.org>; #
# Based on work from Gonzalo Diaz <me{at)gon.cl>; #
# http://gon.pastebin.com/zanh8uAq #
# #
# Based on InstantsFunGet from Felipe Astroza <felipe(at]astroza.cl> #
# http://felipe.astroza.cl/news/2010/05/08/audios-de-instantsfun-es-en-mp3/ #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <http://www.gnu.org/licenses/>. #
# #
###############################################################################
#==============================================================================
#
# FILE: instants_cl_mp3_downloader.sh
#
# DESCRIPTION: Download every 'instant' from instants.cl to a folder.
#
# REVISION: 0.9
#==============================================================================
#
# Constants
#
SOURCE_HOST=http://www.instants.cl/search?max-results=1000
# TODO: Use mktemp
TEMP_DIR=tmp
# TODO: Ask user
COLLECTION_DIR=collection
# TODO: make optional wget or curl
# TODO: ask if the user wants to convert to wav
REQUIREMENTS=( lame wget swfextract )
function prepare() {
for app in ${REQUIREMENTS[@]}; do
if ! type -P ${app} &>/dev/null; then
# TODO: Find a way to make bash find that swfextract is part from swftools
[[ $app = "swfextract" ]] && app="swftools"
not_installed=("${not_installed[@]}" "$app")
fi
done
if [ ${#not_installed[@]} != 0 ]; then
echo "Sorry, the following apps have to be installed to run this script:" >&2
for required_app in ${not_installed[@]}; do
printf " %s\n" $required_app
done
exit 1
fi
mkdir -p $TEMP_DIR $COLLECTION_DIR
}
function cleanup() { rm -fr $TEMP_DIR; }
function get_swf_list() {
echo $(cat $1 | grep swf | awk 'BEGIN {FS="\""}; {print $12}');
}
function get_index() {
wget -q $1 -O $TEMP_DIR/index
echo "$TEMP_DIR/index"
}
#
# Starting Application
#
prepare
echo "InstantsChileGet-Improved - (C) 2010 Pablo Olmos de Aguilera"
echo "Based on: InstantsChileGet - (C) 2010 Gonzalo Diaz"
echo "based on: InstantsFunGet - (C) 2010 Felipe Astroza"
echo -n -e "Reading index\r"
swf_list=$(get_swf_list $(get_index $SOURCE_HOST))
# Deleting $TEMP_DIR/to_download if exists
[[ -e $TEMP_DIR/to_download ]] && rm $TEMP_DIR/to_download
for swf in $swf_list; do
echo $swf >> $TEMP_DIR/to_download
done
# Remove duplicated entries
swf_list=$(cat $TEMP_DIR/to_download | uniq )
TOTAL=$(echo $swf_list | wc -w)
current=1
for swf in $swf_list; do
name=$(echo $swf | awk 'BEGIN {FS="/"}; {print $6}')
echo -e -n "\r[$current of $TOTAL]\e[0K $swf => $TEMP_DIR/$name\n"
wget -q -nc $swf -P $TEMP_DIR/
let "current++"
done
echo "Now we are going to extract the sound..."
sleep 5
current=1
for swf in $TEMP_DIR/*.swf; do
filename=$(basename $swf)
name=${filename%.*}
echo -e -n "\r[$current of $TOTAL]\e[0K Extracting sound from: \
$swf => $COLLECTION_DIR/$name.mp3\n"
sound_id=$(swfextract $swf | grep Sound: | awk '{print $5}')
swfextract -s $sound_id $swf -o $COLLECTION_DIR/$name.mp3
lame --decode $COLLECTION_DIR/$name.mp3 $COLLECTION_DIR/$name.wav
let "current++"
done
cleanup
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