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  1. or download this
    time perl -le'print "a"x1024 for 1..100_000' > 1kLines.txt
time perl -pe's/a/A/g' 1kLines.txt > output.cmp
time perl bukQueue.pl 1kLines.txt > output.tmp
diff -sq output.cmp output.tmp
  2. or download this
    time perl -le'print "z"x1024 for 1..100_000' > 1kLines.txt
  3. or download this
    time perl -le'print "a"x1024 for 1..100_000' > 1kLines.txt
real      0m00.685s
...
cpu       1m37.294s
diff -sq output.cmp output.tmp
Files output.cmp and output.tmp differ