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fix false removal of 1st field of clean text #4020

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Apr 2, 2020
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fix false removal of 1st field of clean text #4020

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4 changes: 2 additions & 2 deletions egs/multi_cn/s5/local/train_lms.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ fi

cleantext=$dir/text.no_oov

# note: ignore 1st field of text, it's the utterance-id.
cat $text | awk '{$1=""; print substr($0, 2)}' | awk -v lex=$lexicon 'BEGIN{while((getline<lex) >0){ seen[$1]=1; } }
{for(n=1; n<=NF;n++) { if (seen[$n]) { printf("%s ", $n); } else {printf("<UNK> ");} } printf("\n");}' \
> $cleantext || exit 1;
Expand All @@ -47,9 +48,8 @@ cat $cleantext | awk '{for(n=2;n<=NF;n++) print $n; }' | \
cat $dir/unigram.counts | awk '{print $2}' | get_word_map.pl "<s>" "</s>" "<UNK>" > $dir/word_map \
|| exit 1;

# note: ignore 1st field of train.txt, it's the utterance-id.
cat $cleantext | awk -v wmap=$dir/word_map 'BEGIN{while((getline<wmap)>0)map[$1]=$2;}
{ for(n=2;n<=NF;n++) { printf map[$n]; if(n<NF){ printf " "; } else { print ""; }}}' | gzip -c >$dir/train.gz \
{ for(n=1;n<=NF;n++) { printf map[$n]; if(n<NF){ printf " "; } else { print ""; }}}' | gzip -c >$dir/train.gz \
|| exit 1;

train_lm.sh --arpa --lmtype 3gram-mincount $dir || exit 1;
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