问题描述:
perl中统计单词出现频率的一段代码,大家帮我看看我那里错了?
/usr/bin/perl
open(MY,"1.txt");while(){
while(/fred/){
$words {$1}++;
} }
foreach $_ (keys %words){
print "$_$words{$1}\n;
"}
我的txt文本是
fred
barney
fred
dino
wilma
fred
/usr/bin/perl
open(MY,"1.txt");while(){
while(/fred/){
$words {$1}++;
} }
foreach $_ (keys %words){
print "$_$words{$1}\n;
"}
我的txt文本是
fred
barney
fred
dino
wilma
fred
问题解答:
我来补答展开全文阅读