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egs/gp/s1/local/gp_prep_lms_edin.sh
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#!/bin/bash -u
# Copyright 2012 Arnab Ghoshal
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
# WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
# MERCHANTABLITY OR NON-INFRINGEMENT.
# See the Apache 2 License for the specific language governing permissions and
# limitations under the License.
set -o errexit
function error_exit () {
echo -e "$@" >&2; exit 1;
}
function read_dirname () {
local dir_name=`expr "X$1" : '[^=]*=\(.*\)'`;
[ -d "$dir_name" ] || error_exit "Argument '$dir_name' not a directory";
local retval=`cd $dir_name 2>/dev/null && pwd || exit 1`
echo $retval
}
PROG=`basename $0`;
usage="Usage: $PROG <arguments>
Prepare train, dev, eval file lists for a language.
Required arguments:
--lm-dir=DIR\t\tDirectory containing language models
--work-dir=DIR\t\tWorking directory
";
if [ $# -lt 2 ]; then
error_exit $usage;
fi
while [ $# -gt 0 ];
do
case "$1" in
--help) echo -e $usage; exit 0 ;;
--lm-dir=*)
LMDIR=`read_dirname $1`; shift ;;
--work-dir=*)
WDIR=`read_dirname $1`; shift ;;
*) echo "Unknown argument: $1, exiting"; echo -e $usage; exit 1 ;;
esac
done
if [ -z $IRSTLM ] ; then
export IRSTLM=$KALDI_ROOT/tools/irstlm/
fi
export PATH=${PATH}:$IRSTLM/bin
if ! command -v prune-lm >/dev/null 2>&1 ; then
echo "$0: Error: the IRSTLM is not available or compiled" >&2
echo "$0: Error: We used to install it by default, but." >&2
echo "$0: Error: this is no longer the case." >&2
echo "$0: Error: To install it, go to $KALDI_ROOT/tools" >&2
echo "$0: Error: and run extras/install_irstlm.sh" >&2
exit 1
fi
cd $WDIR;
tmpdir=$(mktemp -d);
trap 'rm -rf "$tmpdir"' EXIT
# German - 17K
(
{ gzip -dc $LMDIR/ge/DE17k-tag.arpabo.3.gz | sed -e 's?DE=??g' \
| gp_norm_lm.pl -i - | gzip -c > data/GE/local/lm_GE17k_tg.arpa.gz;
subset_lm.pl -i data/GE/local/lm_GE17k_tg.arpa.gz -n 2 \
-o data/GE/local/lm_GE17k_bg.arpa.gz;
prune-lm --threshold=1e-7 $LMDIR/ge/DE17k-tag.arpabo.3.gz $tmpdir/lm_GE17.3
sed -e 's?DE=??g' $tmpdir/lm_GE17.3 | gp_norm_lm.pl -i - | gzip -c \
> data/GE/local/lm_GE17k_tg_pr.arpa.gz
} >& data/GE/prep_lms.log
# German - 60K
{ gzip -dc $LMDIR/ge/DE60k.arpabo.3.gz | sed -e 's?DE=??g' \
| gp_norm_lm.pl -i - | gzip -c > data/GE/local/lm_GE60k_tg.arpa.gz;
subset_lm.pl -i data/GE/local/lm_GE60k_tg.arpa.gz -n 2 \
-o data/GE/local/lm_GE60k_bg.arpa.gz;
prune-lm --threshold=1e-7 $LMDIR/ge/DE60k.arpabo.3.gz $tmpdir/lm_GE60.3
sed -e 's?DE=??g' $tmpdir/lm_GE60.3 | gp_norm_lm.pl -i - | gzip -c \
> data/GE/local/lm_GE60k_tg_pr.arpa.gz
} >> data/GE/prep_lms.log 2>&1
) &
# Portuguese - 60K
( gzip -dc $LMDIR/po/PO60k.arpabo.3.gz | gp_norm_lm.pl -i - \
| gzip -c > data/PO/local/lm_PO60k_tg.arpa.gz
subset_lm.pl -i data/PO/local/lm_PO60k_tg.arpa.gz -n 2 \
-o data/PO/local/lm_PO60k_bg.arpa.gz
prune-lm --threshold=1e-7 $LMDIR/po/PO60k.arpabo.3.gz $tmpdir/lm_PO60.3
gp_norm_lm.pl -i $tmpdir/lm_PO60.3 | gzip -c \
> data/PO/local/lm_PO60k_tg_pr.arpa.gz
) >& data/PO/prep_lms.log &
# Spanish - 23K
( gzip -dc $LMDIR/sp/SP23k-tag.arpabo.3.gz | sed -e 's?SP=??g' \
| gp_norm_lm.pl -i - | gzip -c > data/SP/local/lm_SP23k_tg.arpa.gz
subset_lm.pl -i data/SP/local/lm_SP23k_tg.arpa.gz -n 2 \
-o data/SP/local/lm_SP23k_bg.arpa.gz
prune-lm --threshold=1e-7 $LMDIR/sp/SP23k-tag.arpabo.3.gz $tmpdir/lm_SP23.3
sed -e 's?SP=??g' $tmpdir/lm_SP23.3 | gp_norm_lm.pl -i - | gzip -c \
> data/SP/local/lm_SP23k_tg_pr.arpa.gz
) >& data/SP/prep_lms.log &
# Swedish - 24K
( gzip -dc $LMDIR/sw/SW24k.arpabo.3.gz | gp_norm_lm.pl -i - \
| gzip -c > data/SW/local/lm_SW24k_tg.arpa.gz
subset_lm.pl -i data/SW/local/lm_SW24k_tg.arpa.gz -n 2 \
-o data/SW/local/lm_SW24k_bg.arpa.gz
prune-lm --threshold=1e-7 $LMDIR/sw/SW24k.arpabo.3.gz $tmpdir/lm_SW24.3
gp_norm_lm.pl -i $tmpdir/lm_SW24.3 | gzip -c \
> data/SW/local/lm_SW24k_tg_pr.arpa.gz
) >& data/SW/prep_lms.log &
wait;
echo "Finished preparing language models."
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