download_and_untar.sh
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#!/bin/bash
# Copyright 2014 Johns Hopkins University (author: Daniel Povey)
# 2017 Xingyu Na
# Apache 2.0
remove_archive=false
if [ "$1" == --remove-archive ]; then
remove_archive=true
shift
fi
if [ $# -ne 3 ]; then
echo "Usage: $0 [--remove-archive] <data-base> <url-base> <corpus-part>"
echo "e.g.: $0 /export/a05/xna/data www.openslr.org/resources/33 data_aishell"
echo "With --remove-archive it will remove the archive after successfully un-tarring it."
echo "<corpus-part> can be one of: data_aishell, resource_aishell."
fi
data=$1
url=$2
part=$3
if [ ! -d "$data" ]; then
echo "$0: no such directory $data"
exit 1;
fi
part_ok=false
list="data_aishell resource_aishell"
for x in $list; do
if [ "$part" == $x ]; then part_ok=true; fi
done
if ! $part_ok; then
echo "$0: expected <corpus-part> to be one of $list, but got '$part'"
exit 1;
fi
if [ -z "$url" ]; then
echo "$0: empty URL base."
exit 1;
fi
if [ -f $data/$part/.complete ]; then
echo "$0: data part $part was already successfully extracted, nothing to do."
exit 0;
fi
# sizes of the archive files in bytes.
sizes="15582913665 1246920"
if [ -f $data/$part.tgz ]; then
size=$(/bin/ls -l $data/$part.tgz | awk '{print $5}')
size_ok=false
for s in $sizes; do if [ $s == $size ]; then size_ok=true; fi; done
if ! $size_ok; then
echo "$0: removing existing file $data/$part.tgz because its size in bytes $size"
echo "does not equal the size of one of the archives."
rm $data/$part.tgz
else
echo "$data/$part.tgz exists and appears to be complete."
fi
fi
if [ ! -f $data/$part.tgz ]; then
if ! which wget >/dev/null; then
echo "$0: wget is not installed."
exit 1;
fi
full_url=$url/$part.tgz
echo "$0: downloading data from $full_url. This may take some time, please be patient."
cd $data
if ! wget --no-check-certificate $full_url; then
echo "$0: error executing wget $full_url"
exit 1;
fi
fi
cd $data
if ! tar -xvzf $part.tgz; then
echo "$0: error un-tarring archive $data/$part.tgz"
exit 1;
fi
touch $data/$part/.complete
if [ $part == "data_aishell" ]; then
cd $data/$part/wav
for wav in ./*.tar.gz; do
echo "Extracting wav from $wav"
tar -zxf $wav && rm $wav
done
fi
echo "$0: Successfully downloaded and un-tarred $data/$part.tgz"
if $remove_archive; then
echo "$0: removing $data/$part.tgz file since --remove-archive option was supplied."
rm $data/$part.tgz
fi
exit 0;