[mdlug] Another sed/regex question

[Aaron Kulkis]

Mat Enders wrote:
> I use sed and awk quite a bit and that is how I would have done it.  Perl I
> am sure can do it but I am just starting to learn Perl.

about 15 years ago, I started teaching myself perl.

Finally decided after 2 years to stop wasting my time -- it's a "write-only"
language, and I have no interest in writing code which is nearly impossible
to maintain.

>
> On Fri, Sep 26, 2014 at 6:37 PM, Jeff Hanson <jhansonxi at gmail.com> wrote:
>
>> Have a input with mixed lines of data, some desirable, some not.  Valid
>> lines have a particular text and digit pattern which needs to be extracted
>> (very predictable).  If a line contains a particular number then it is
>> output encapsulated by one set of ASCII terminal escape codes for setting
>> text color.  If it has a non-matching number then it is output with a
>> different set of codes.  I need something like:
>>
>> program_output | sed
>> s/match_pattern/MATCHCODE_cleaned-up_output_RESETCODE
>> !NOMATCHCODE_cleaned-up_output_RESETCODE
>>
>> I'm not sure how to combine the match/no-match replacements in one
>> operation.  Currently I'm using:
>>
>> program_output | sed
>> -ne s/match_pattern/MATCHCODE_cleaned-up_output_RESETCODE/p
>> -ne
>>
>> /match_pattern/!{s/valid_data_pattern/NOMATCHCODE_cleaned-up_output_RESETCODE/p}
>>
>> I know this can be done in one line of awk/perl/whatever but I'm trying to
>> avoid additional dependencies.
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>
>
>