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This  is  grenum,  an advanced refdes renumber utility for gEDA's
gschem.


INTRODUCTION

This program renumbers the refdes  definitions  read  from  input
file.

GOALS

There  is  another  script  called  refdes_renum comes with geda-
utyls, but it does not care about slotted elements.  grenum  will
not  renumber all refdeses, only, if a "?" is found in the refdes
definition. After the first run, you have to edit the  refdes  of
multi  slotted  elements, but after it, they won't be renumbered.
Moreover, the text after the refdes numbers are ignored. This  is
useful,  if  you  want  to have e.g. IC3a, IC3b components on the
schematic. Unfortunately, the next layer, the gsch2pcb  does  not
ignore this, and will create a new component (am I right?).

As  it was mentioned grenum does not renumber refdeses which were
already renumbered. However, it detects gaps between  the  refdes
numbers.  For  example, if you have IC3 and IC6, it'll start num-
bering new components from IC1 to IC2, and IC4-IC5 and after IC7.
This  is essential, because gsch2pcb does not care about refdeses
(which is good), and if  the  refdeses  gets  totally  renumbered
(gaps filled totally), then all your components will shifted, and
you have to move everything on your board.

COMPILATION

This is very very tiny program, needs no external libraries, just
a  working C compiler. If your C compiler is not gcc, you have to
edit the Makefile in the src directory.

To untar the package, issue the command

$ tar -jxvf grenum.tar.bz2

Note that you need bunzip2 and the tar utility.

To compile the code cd to the grenum directory and make the  exe-
cutable

$ cd grenum $ make

To install the compiled executable (as root) issue

# make install

USAGE

To renumber your gschem file issue

$ grenum yourfile.sch

for  more  information,  see the manpage, and read the documenta-
tion, which you can't since I had no time  write  it.  But  it'll
come... :-)

CONTACT

Please send comments to

        - levente.kovacs@interware.hu