gEDA-bug: [Bug 698650] Re: New refdes numbering tool

[Krzysztof KoÅciuszkiewicz <698650@xxxxxxxxxxxxxxxxxx>]

** Changed in: geda
   Importance: Undecided => Low

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Title:
  New refdes numbering tool

Status in GPL Electronic Design Automation tools:
  New

Bug description:
  As promised at the code sprint, I've developed a new refdes numbering
  tool.  I'm tentatively calling it grefdes and it tries very hard to
  just "Do the Right Thing"(TM).

  By default, grefdes is gentle and preserves all existing refdes.  As
  designers who have gone through layout know, it is extremely
  inconvenient to have a PCB layed out and then have all the reference
  designators change underneath essentially putting everything in the
  wrong place.  For the same reason, new unassigned refdes are added at
  the end of the range.  When ECOs are done on a board it is easier for
  the layout engineer to have the parts show up as new refdes and in an
  unplaced location off the board.  If existing refdes are reused then
  the layout engineer might not notice that R2, which was already
  placed, now has terribly long traces.

  Here's the output from grefdes --help

  ////////////////////////////////////////////////////////////////////////////////////////
  USAGE : grefdes [--test] [--renum||--reuse||--clear] [--pgskip #] sch1 [...schN]
  USAGE : grefdes --help
  USAGE : grefdes --version
  ////////////////////////////////////////////////////////////////////////////////////////

  grefdes reads a set of gschem schematic files and numbers the reference designators.
  By default, existing reference designators are preserved and unassigned refdes are 
  given numbers above the existing range.  The original schematics are modified and 
  overwritten unless the --test option is set.

  Options:

    --help        Displays this help message.

    --clear       Clear all reference designators to their
  unassigned(X?) form.

    --pgskip [#]  When this flag is used, components on the first schematic sheet
                  are numbered starting with 101.  On the second sheet, they start
                  with 201, etc.  Specifying a value sets the gap between pages.
                  For example, --pgskip 10 will start with 11, 21, 31, etc.

    --renum       Force all reference designators to be renumbered.  
                  Existing refdes are overwritten.

    --reuse       Reuse gaps in the refdes range for newly assigned designators.
                  Given a schematic with U1,U3,U10 any new refdes would be added
                  at U2, U4-U9, and U11-.

    --test        Perform all operations but leave results in new files whose names are 
                  generated by appending ".renum" to the original file name. 
                  The default is to overwrite the original schematic.

    --version     Display the program version




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