perl special charecter

  • $_

  • $PROCESS_ID

  • $$

read a file line by line


#!/usr/bin/perl

use strict;

use warnings;


my $dir ="./tmp";


open (FH, "<$dir/txn-history.txt") or die "Couldn‘t open $dir/txn-history.txt, $!"."\n";

while(<FH>) {

print "$_";

}

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时间： 2024-10-29 06:56:23

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