Date: Thu, 22 Aug 2013 22:08:53 +0400
From: Vladimir Zhbanov <vzhbanov AT gmail DOT com>
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] Little help needed with sed script (How to
 contribute standard symbol files?)
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On Thu, Aug 22, 2013 at 02:10:36PM +0200, myken wrote:
> Hello All,
> As Peter suggested am I trying to fix the generation of the VHDL symbols.
> I have changed the "script.sed" file in the vhdl directory and that
> one works.
> Now I made a new sed script (scriptpad.sed) to deal with the
> remaining symbols.
> Within that script I have the command:
> 
> /^T.*/ N
> s/\(^T.*\)\(pin.*=IPAD\)/&\n\1pintype=IN/
> 
> copy/past/adapted from "script.sed"
> The result is that after:
> T 170 38 5 10 1 1 0 0 1
> pinnumber=IPAD
> the script copies the first line and add a line with pintype=...
> T 170 38 5 10 1 1 0 0 1
> pintype=IN
> 
> Almost perfect, it is what I want, but since the T 170 ... line is a
> copy of the line corresponding with the pinnumber line, the
> visibility attribute is set to 1 and that's not what I want. In the
> schematic IPAD and IN are printed overlaying.
> 
> Can anyone help me solve this? How do I set the 6th attribute of the
> copied line to 0?
> Resulting in:
> T 170 38 5 10 0 1 0 0 1
> pintype=IN

Try this:

/^T.*/ N
s/\(^T [0-9]\+ [0-9]\+ [0-9]\+ [0-9]\+ \)\([01]\)\(.*\)\(pin.*=IPAD\)/&\n\10\3pintype=IN/