Re: Regular Expression Search and parse?

["markw-4" <user=5@nabble.blu.org>]

 Yea, I ended up doing something like that, but I was hoping for a more 
general purpose utility as I may want to do a bunch of these. 

Alas, I may have to write one. 

Eugene Gorelik wrote: 
> This is easily doable with perl : 
> 
>    open(MYFILE,'/path/to/file'); 
>     while (<MYFILE>) { 
>         chomp; 
>            if ( $_ =~ /^(.*)\[ISBN:(.*)\](.*)$/){ 
>                    print "ISBN $2"; 
>              } 
>     } 
> 
> Second (.*) is your ISBN number 
> 
> ------------This code hasn't been tested-------------- 
> 
> - Eugene 
> 
> On Jan 17, 2008 4:13 PM, Mark Woodward < [hidden email] 
> <mailto:[hidden email]>> wrote: 
> 
>     We all know what "grep" does, but does anyone know of a utility that 
>     uses parameterized regular expressions as a search mechanism and 
>     outputs 
>     only the parameters that were found? Sort of like the regex 
>     function call. 
> 
>     So, if I have file with a lot of lines that look like this: 
> 
>     Title: The Long and Winding Road [ISBN:123456] 
>     Descr: A boring book about boring roads 
>     Author: A dull cab driver 
>     ... 
> 
>     I could execute: 
> 
>     myregex "Title:*\[ISBN:$1\]" file.txt 
>     123456 
>     ... 
> 
>     and get an output of all the ISBN numbers 
> 
> 
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