Something like the following will read each line of the standard input, and randomize the columns. After all the rows are processed, they're printed out in random order.

use List::Util qw( shuffle );
my @lines;
push @lines, join(' ', shuffle split) for <>;
print "$_\n" for shuffle @lines;

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In reply to Re: shuffle a text file by Loops
in thread shuffle a text file by salma

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