怎么在perl中输出结果到文件
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代码如下：
#! usr/bin/perl -w
use strict;
use warnings;
open (FILE,"./a.txt") or die "can't open file:$!";
open (NEWFILE,"./b.txt") or die "can't open file:$!";
while(my $line = <STDIN>)
{
chomp($line);
my $newline = $line =~ s/4/5/g;
print NEWFILE $newline;
}
close FILE;
close NEWFILE;
#! usr/bin/perl -w
use strict;
use warnings;
open (FILE,"./a.txt") or die "can't open file:$!";
open (NEWFILE,"./b.txt") or die "can't open file:$!";
while(my $line = <STDIN>)
{
chomp($line);
my $newline = $line =~ s/4/5/g;
print NEWFILE $newline;
}
close FILE;
close NEWFILE;
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