Hi Doug,

Best tip ever is your_python_dir\tools\scripts\redemo.py

Interactive regexes. :)

This is pretty good as well - http://www.amk.ca/python/howto/regex/

Good luck,

Liam Clarke

On 4/20/06, doug shawhan <doug.shawhan@[...].com>  wrote:
>  I think I'm going to have to suck it up and learn some regular expressions.
> 
>   I have finally gotten my script (using the excellent pyserial module) to
>  behave. Most of my troubles as enumerated here before were utterly
>  self-induced. Apparently one cannot watch the execution of one's script
>  through another program without affecting it's outcome in unforseen ways.
>  (Sound familiar Herr Schroedinger? :-)
> 
>   Now that I am actually extracting data in a fairly predictable way, I am at
>  the point where I need to parse it! I have some output here (modified to
>  show  the ESC and NUL characters.)
> 
>   When I pull data from the port, the remote computer sends it in one long
>  string per screen: newlines are not painted in by using the expected x\0a
>  that I had hoped for! No easy readlines() fun for me. Instead I get:
> 
>   ESC=(  1. ESC=($4x2, 6-239 (3.9L)
>  ..........................................ESC=(a03252
>  ESC=(k0
>   ESC=)  2. ESC=))8-318 (5.2L)
>  ..........................................ESC=)a03242
>  ESC=)k0
>   ESC=*  3. ESC=*)8-360 (5.9L)
>  ..........................................ESC=*a03351
>  ESC=*k    0
>   ESC=+  4. ESC=+$4x4, 6-239 (3.9L)
>  ..........................................ESC=+a03240
>  ESC=+k    0
>   ESC=,  5. ESC=,)8-318 (5.2L)
>  ..........................................ESC=,a03243
>  ESC=,k    0
>   ESC=-  6. ESC=-)8-360 (5.9L)
>  ..........................................ESC=-a03352
>  ESC=-k    0
>   ESC=.  7. ESC=.aCH8299  ESCTNULESC)NULESC=% LINEESCTNULESC=&      R =
>  RELIST  <return> = NONE
> 
>   I have broken it up for ease of viewing. I need to split the string where
>  ESC= , k  and 0 are found, but ESC= ,k and 0 are seperated by various
>  spaces, parentheis and other characters that are apparently used to mark the
>  end of the line until the next ESC is found, thereby displaying a new line
>  (note how the character after the first ESC on each line is repeated after
>  the ESC on the end.
> 
>   I cannot for the life of me figure out a pythonic way (read: using the
>  split() builtin) to scan for instances of these characters in such and such
>  order and proximity. I know this is what regex is for, but I have no
>  experience.  I have obtained a copy of "Mastering Regular Expressions" but
>  thought I would inquire here first for caveats and tips as the book is
>  larger than my brain, and I haven't used the re module, ever.
> 
>   Why in the world does this make me so happy? :-)~
> 
>  _______________________________________________
>  Tutor maillist  -  Tutor@[...].org
>  http://mail.python.org/mailman/listinfo/tutor
> 
> 
> 
_______________________________________________
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