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Home: Perl Programming Help: Beginner:
about grep

 


kevindai
Novice

Apr 12, 2009, 12:19 PM

Post #1 of 6 (430 views)
about grep Can't Post
I am trying to learn grep. How do i print or display email or date of birth or what ever!! from a file? i can compare the sequence of whatever i want, using reg. exp, but don't know how to use grep.


mykolg
User

Apr 12, 2009, 7:13 PM

Post #2 of 6 (427 views)
Post deleted by mykolg [In reply to]
 


kevindai
Novice

Apr 12, 2009, 7:47 PM

Post #3 of 6 (426 views)
Re: [mykolg] about grep [In reply to] Can't Post
I am not looking for unix grep. I want to get date of birth or email from a file using grep in perl. did i simplify it?

thanks in advance

In Reply To


senthilkumar_ak
Novice

Apr 17, 2009, 11:17 PM

Post #4 of 6 (406 views)
Re: [kevindai] about grep [In reply to] Can't Post
grep is a command in unix and you can use it extensively with the file. please post some file line and let me know how the the date of brith posted in the file.


KevinR
Veteran


Apr 18, 2009, 12:41 PM

Post #5 of 6 (395 views)
Re: [senthilkumar_ak] about grep [In reply to] Can't Post
In Reply To
grep is a command in unix and you can use it extensively with the file. please post some file line and let me know how the the date of brith posted in the file.
perl also has a grep function.
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KevinR
Veteran


Apr 18, 2009, 12:43 PM

Post #6 of 6 (394 views)
Re: [kevindai] about grep [In reply to] Can't Post
In Reply To
I am trying to learn grep. How do i print or display email or date of birth or what ever!! from a file? i can compare the sequence of whatever i want, using reg. exp, but don't know how to use grep.
If you know how to use regexp, you know how to use grep.

@out = grep {/regexp/} input;

You can use other things inside the grep block, it doesn't have to be a regexp.

http://www.google.com/search?q=perl+grep+tutorial
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