Re: how to shorten this code ? x occur how many times in variable

John W. Krahn wrote:
> Richard Lee wrote:
>> Rob Dixon wrote:
>>>  
>>> returns the number of colons found but leaves them untouched.
Similarly
>>>
>>>   $str =? tr/\t /_/;
>>
>> this is great!!
>>
>> use warnings;
>> use strict;
>>
>> my $str = 'ab:cd:ef:g:hi::now;';
>> print $str =~ tr/:// . "\n";
>> print $str =~ tr/:b/_X/ . "\n";
>>
>> print "$str\n";
>>
>>
>> ././././././testthis.pl
>> 6
>> 7
>> aX_cd_ef_g_hi__now;
>>
>> BTW, what is =?    ? or is that a typo?
>>
>> $str =? tr/\t /_/;
>
> Typo.
>
>
> John
thank you!!

I have been putting off learning the meaning behind tr.. but now I 
finally got to learn them and see that they are very useful

thank you.