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perl -ne "blah" filename
perl -ne "print qq/$1 $2 $3\n/ if (/Turn.*?speaker=(\S+)\s+startTime=( +\S+)\s+endTime=(\S+)/)" input_file > toto.xxx
perl -c -ne "print qq/$1 $2 $3\n/ if (/Turn.*?speaker=(\S+)\s+startTim +e=(\S+)\s+endTime=(\S+)/)" -e syntax OK