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12 lines
324 B

#!/bin/sh
sed '/^+[^+]/!s/ /TaBBaT/g' |\
expand -t `seq -s , 9 8 200` |\
sed 's/TaBBaT/ /g' |\
sed '/^+[^+]/s/ * $//' |\
tr -d '\015' |\
tr '\n' '<EFBFBD>' |\
sed 's/\(@@[^@]*@@<EFBFBD>[^@]*\)/\n\1/g' |\
egrep -v '@@[^@]*@@<EFBFBD>(( [^<EFBFBD>]*<EFBFBD>)|([+-][[:space:]]*<EFBFBD>)|(-[[:space:]]*([^<EFBFBD>]*)<EFBFBD>\+[[:space:]]*\5<EFBFBD>))*$' |\
tr -d '\n' |\
tr '<EFBFBD>' '\n'