写入多个文件perl脚本

#!/usr/bin/perl -w
use strict;
my @filenames=glob ("*.*");#收集文件

my @strs;#文件数组
sub pushfile { #push文件子程序
   my $filename=shift;
   my @file;
   open(IFH,$filename) or die "Cann\'t open the file:$!";
   while (@file=<IFH>) {
      push @strs,"$filename\n\n";#push文件名
      push @strs,"@file\n\n";
   }
   close IFH;
}
foreach (@filenames){#push文件
   &pushfile($_);
}
open(OFH,"> a.txt") or die "Cann\'t open the file:$!";
foreach (@strs){
   print OFH $_;
}
close OFH;