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Mail Archives: geda-help/2012/10/14/18:05:58

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From: John Doty <jpd AT noqsi DOT com>
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Subject: Re: [geda-help] Adding new gschem symbols?
Date: Sun, 14 Oct 2012 16:05:38 -0600
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On Oct 14, 2012, at 2:27 PM, Benjamin Bergman wrote:

>=20
> On Oct 13, 2012 12:50 PM, "Karl Hammar" <karl AT aspodata DOT se> wrote:
> > Well you could possible use the md5sum of the sym file, what about:
> >
> > $ md5sum git/openhw/share/gschem/diode.sym
> > cc2da042b5ea5afd65f4153bfff79b92  git/openhw/share/gschem/diode.sym
> >
> > And in the .sch file, this file is referenced by:
> >
> > C 18600 19900 1 0 0 diode.sym md5=3Dcc2da042b5ea5afd65f4153bfff79b92
>=20
> I think this is the way to go. This is essentially how all content is =
tracked and referenced in git and adds a layer of corruption detection, =
while costing very little in terms of resources or infrastructure.
Shudder. That assumes that symbols rarely change. But a sensible way to =
use gEDA is to have project-local symbols that change as packaging or =
other part selection attributes change.

John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd AT noqsi DOT com



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<html><head></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; =
"><br><div><div>On Oct 14, 2012, at 2:27 PM, Benjamin Bergman =
wrote:</div><br class=3D"Apple-interchange-newline"><blockquote =
type=3D"cite"><p dir=3D"ltr"><br>
On Oct 13, 2012 12:50 PM, "Karl Hammar" &lt;<a =
href=3D"mailto:karl AT aspodata DOT se">karl AT aspodata DOT se</a>&gt; wrote:<br>
&gt; Well you could possible use the md5sum of the sym file, what =
about:<br>
&gt;<br>
&gt; $ md5sum git/openhw/share/gschem/diode.sym<br>
&gt; cc2da042b5ea5afd65f4153bfff79b92 =
&nbsp;git/openhw/share/gschem/diode.sym<br>
&gt;<br>
&gt; And in the .sch file, this file is referenced by:<br>
&gt;<br>
&gt; C 18600 19900 1 0 0 diode.sym =
md5=3Dcc2da042b5ea5afd65f4153bfff79b92</p><p dir=3D"ltr">I think this is =
the way to go. This is essentially how all content is tracked and =
referenced in git and adds a layer of corruption detection, while =
costing very little in terms of resources or infrastructure.<br>

</p>
</blockquote></div>Shudder. That assumes that symbols rarely change. But =
a sensible way to use gEDA is to have project-local symbols that change =
as packaging or other part selection attributes change.<div><br><div>
<span class=3D"Apple-style-span" style=3D"border-collapse: separate; =
border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: normal; line-height: normal; text-align: auto; =
-khtml-text-decorations-in-effect: none; text-indent: 0px; =
-apple-text-size-adjust: auto; text-transform: none; orphans: 2; =
white-space: normal; widows: 2; word-spacing: 0px; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; =
border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: normal; line-height: normal; text-align: auto; =
-khtml-text-decorations-in-effect: none; text-indent: 0px; =
-apple-text-size-adjust: auto; text-transform: none; orphans: 2; =
white-space: normal; widows: 2; word-spacing: 0px; "><p style=3D"margin: =
0.0px 0.0px 0.0px 0.0px"><font face=3D"Helvetica" size=3D"3" =
style=3D"font: 12.0px Helvetica">John Doty<span =
class=3D"Apple-converted-space">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span =
class=3D"Apple-converted-space">&nbsp;</span><span =
class=3D"Apple-converted-tab">&nbsp; &nbsp;<span =
class=3D"Apple-converted-space">&nbsp;</span></span></span>Noqsi =
Aerospace, Ltd.</font></p><p style=3D"margin: 0.0px 0.0px 0.0px =
0.0px"><a href=3D"http://www.noqsi.com/">http://www.noqsi.com/</a></p><p =
style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><font face=3D"Helvetica" =
size=3D"3" style=3D"font: 12.0px Helvetica"><a =
href=3D"mailto:jpd AT noqsi DOT com">jpd AT noqsi DOT com</a></font></p><br =
class=3D"Apple-interchange-newline"></span></span>
</div>
<br></div></body></html>=

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