lmwtzw6u5l0 发表于 2018-8-31 11:25:40

perl中的while处理文件

  # cat w.pl
  #!/usr/bin/perl
  $filename='/etc/passwd';
  open(FILE,$filename)or die;
  while($line = ){
  ($username,$secret,$uid,$gid)=split(":",$line);
  print "$username,$secret,$uid,$gid\n";
  }
  close(FILE);
  $filen='/etc/group';
  open(GROUP,$filen)or die;
  while(){
  ($groupname)=split(":");
  print "$groupname\n";
  }
  close(GROUP);

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