87 lines
2.2 KiB
Bash
87 lines
2.2 KiB
Bash
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CORPUSNAME=$1
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echo 'Cloning Moses github repository (for tokenization scripts)...'
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git clone https://github.com/moses-smt/mosesdecoder.git
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echo 'Cloning Subword NMT repository (for BPE pre-processing)...'
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git clone https://github.com/rsennrich/subword-nmt.git
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SCRIPTS=mosesdecoder/scripts
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TOKENIZER=$SCRIPTS/tokenizer/tokenizer.perl
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LC=$SCRIPTS/tokenizer/lowercase.perl
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CLEAN=$SCRIPTS/training/clean-corpus-n.perl
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BPEROOT=subword-nmt/subword_nmt
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BPE_TOKENS=10000
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if [ ! -d "$SCRIPTS" ]; then
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echo "Please set SCRIPTS variable correctly to point to Moses scripts."
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exit
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fi
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src=en
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tgt=sk
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lang=en-sk
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prep=$CORPUSNAME.en-sk
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tmp=$prep/tmp
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orig=corpus
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mkdir -p $orig $tmp $prep
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echo "pre-processing train data..."
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for l in $src $tgt; do
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f=$CORPUSNAME.$lang.$l
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tok=$CORPUSNAME.$lang.tok.$l
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cat $orig/$lang/$f | \
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perl $TOKENIZER -threads 8 -l $l > $tmp/$tok
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echo ""
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done
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perl $CLEAN -ratio 1.5 $tmp/$CORPUSNAME.$lang.tok $src $tgt $tmp/$CORPUSNAME.$lang.clean 1 175
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for l in $src $tgt; do
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perl $LC < $tmp/$CORPUSNAME.$lang.clean.$l > $tmp/$CORPUSNAME.$lang.$l
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done
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xd=$CORPUSNAME.$lang.$l
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echo "pre-processing valid/test data..."
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for l in $src $tgt; do
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for o in `ls $orig/$lang/$xd`; do
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fname=${o##*/}
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f=$tmp/${fname%.*}
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echo $o $f | \
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# grep '<seg id' $o | \
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# sed -e 's/<seg id="[0-9]*">\s*//g' | \
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# sed -e 's/\s*<\/seg>\s*//g' | \
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# sed -e "s/\’/\'/g" | \
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perl $TOKENIZER -threads 8 -l $l | \
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perl $LC > $f
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echo ""
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done
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done
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echo "creating train, valid, test..."
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for l in $src $tgt; do
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awk '{if (NR%23 == 0) print $0; }' $tmp/$CORPUSNAME.en-sk.$l > $tmp/valid.$l
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awk '{if (NR%23 != 0) print $0; }' $tmp/$CORPUSNAME.en-sk.$l > $tmp/train.$l
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cat $tmp/$CORPUSNAME.en-sk.$l \
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> $tmp/test.$l
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done
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TRAIN=$tmp/train.en-sk
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BPE_CODE=$prep/code
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rm -f $TRAIN
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for l in $src $tgt; do
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cat $tmp/train.$l >> $TRAIN
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done
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echo "learn_bpe.py on ${TRAIN}..."
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python $BPEROOT/learn_bpe.py -s $BPE_TOKENS < $TRAIN > $BPE_CODE
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for L in $src $tgt; do
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for f in train.$L valid.$L test.$L; do
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echo "apply_bpe.py to ${f}..."
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python $BPEROOT/apply_bpe.py -c $BPE_CODE < $tmp/$f > $prep/$f
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done
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done
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