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#!/bin/bash
#
# USAGE preprocess.sh langid spmodel < input > output
#
# replace SPMENCODE with your own setup!
#
# CHANGES
#
# * issue with perl code that removes control characters
# unicode property Other = \p{C}) seems to remove
# newline characters as well --> add negative lookahead
# to avoid removing newline characters!
#
SPMENCODE=`which spm_encode || echo "${PWD}/tools/marian-dev/build/spm_encode"`
## simple pre-processing steps adapted from Moses tools
sed -e 's/，/,/g' \
-e 's/。 */. /g' \
-e 's/、/,/g' \
-e 's/”/"/g' \
-e 's/“/"/g' \
-e 's/∶/:/g' \
-e 's/：/:/g' \
-e 's/？/\?/g' \
-e 's/《/"/g' \
-e 's/》/"/g' \
-e 's/）/\)/g' \
-e 's/！/\!/g' \
-e 's/（/\(/g' \
-e 's/；/;/g' \
-e 's/１/"/g' \
-e 's/」/"/g' \
-e 's/「/"/g' \
-e 's/０/0/g' \
-e 's/３/3/g' \
-e 's/２/2/g' \
-e 's/５/5/g' \
-e 's/６/6/g' \
-e 's/９/9/g' \
-e 's/７/7/g' \
-e 's/８/8/g' \
-e 's/４/4/g' \
-e 's/． */. /g' \
-e 's/～/\~/g' \
-e "s/’/\'/g" \
-e 's/…/\.\.\./g' \
-e 's/━/\-/g' \
-e 's/〈/\</g' \
-e 's/〉/\>/g' \
-e 's/【/\[/g' \
-e 's/】/\]/g' \
-e 's/％/\%/g' |
perl -C -pe 's/(?!\n)\p{C}/ /g;' |
perl -CIOE -pe 's/[\x{2060}\x{200B}\x{feff}]//g' |\
sed 's/ */ /g;s/^ *//g;s/ *$//g'
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