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C:\test>perl -E"printf( STDERR qq[\r$_] ), say 'X'x127 for 1 ... 1e6" +| perl -nE"sleep 100" 96
for /l %i in (1,1,8) do @perl -F"\t" -anle"print join chr(9), @F[2,0,5 +]" in%i.tsv > out%i.tsv