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SubjectRe: [RFC][PATCH 5/9] perf trace: Add Perl scripting support

* Tom Zanussi <tzanussi@gmail.com> wrote:

> OPT_BOOLEAN('v', "verbose", &verbose,
> "be more verbose (show symbol address, etc)"),
> + OPT_BOOLEAN('p', "perl", &do_perl,
> + "send output to a Perl script"),
> OPT_STRING('s', "script", &script_name, "file",
> "script file name"),

I dont think we want to use up primary option letters one per language.
If Perl takes 'p' then what will Python use, 'P'? How about PHP, PEARL
and PostScript then? ;-)

I think it's better to make the language specification part of the
-s/--script option, via two methods:

Explicit:

-s Perl::my_script.pl
-s pl::my_script.pl
-s Python::my_script.py
-s Bash::my_script.sh

Implicit, based on the script extension:

-s my_script.pl # maps to the Perl generator
-s my_script.py # maps to the Python generator
-s my_script.sh # maps to the Bash generator

I think we also want to have a 'perf -s *' kind of thing to get a list
of all available language modules.

Ingo


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