Perl读写文件简单示例

!/usr/bin/perl -w
 use strict;
 
 #print "please input a string\n";
 #my $line = <stdin>;
 #print $line;
 
 #wirte a file
 open(fh, ">aa.txt") or die $!; 
 print fh "hello\n";#向文件写入内容
 print fh "ok\n";
 
 close(fh);
 
 #open a file
 open(fh, "aa.txt") or die $!;
 my @f = <fh>;#将文件内容读出
 print @f;
 
 close(fh);