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How to print a BOM? [Solved]

 

On 15.09.24 17:37, John Woodgate wrote:
> Geologically recent.?
>
> On 2024-09-15 17:06, Alan Pearce via groups.io wrote:
> > That is not pretty recent, that is bordering on ancient.
> >
> > Kicad is now up to version 8, and they bring out a new version with new
> > features each year, along with updates during the year.
> >
> > On Fri, 13 Sept 2024 at 09:23, dvalin via groups.io <>
> > <dvalin=[email protected]> wrote:
> >
> >???? I have yet to upgrade from "5.0.2+dfsg1-1 release build". (2018, so
> >???? pretty recent.)
> >

To be fair, at age 70, anything post millennial seems pretty recent, and
even hurrying occurs at a measured pace, not helped by having to stop
for extra coffee to remember where that tube of triacs went to.
(When the board's populated & debugged, and the firmware done, then
(after coffee and TimTams, I'll update kicad - All things in their
season, I figure.) AND that Kicad 5.02 is still delivering well is
testament to its developers too.

I have though managed to condense the 1978 lines of random data dump,
produced by the loosely named "Generate BOM" clicky thing, to 54 lines
of actual BOM, using a few script lines I've put into ~/bin/xml2bom:

#!/bin/bash

# Converts an XML BOM from kicad to xml2's internal "flat" format,
# then extracts Part Number, Description, and Package information
# from kicad's 97% verbiage, leaving a useful BOM.

xml2 < $1 | awk --field-separator '=' '

$1 ~ /@ref$/???????? { p = $2 }
$1 ~/value$/???????? { Desc[p] = $2 }
$1 ~ /footprint$/??? { n = split($2,A,/:/)
?????????????????????? Pack[p] = A[2]
???????????????????? }
END????? { for (i in Desc) printf("%s\t%s\t%s\n",i,Desc[i],Pack[i]) }
'

It does put R10 and R11 before R1, and I have yet to weave a "sort"
incantation to fix that. The rest is good enough to start with:

...
C7????? 47 nF?? C_Rect_L16.5mm_W4.7mm_P15.00mm_MKT
C8????? 10 nF?? C_Rect_L16.5mm_W4.7mm_P15.00mm_MKT
C9????? 100 nF? C_0805_2012Metric_Pad1.15x1.40mm_HandSolder
X1????? 4 MHz?? Crystal_HC50_Vertical
IC1???? ATmega16-16AU?? TQFP-44_10x10mm_P0.8mm
IC2???? LP2950-5.0????? TO-252-2
IC3???? MOC3052 DIP-6_W8.89mm_SMDSocket_LongPads
IC4???? PS2701? SO-4_4.4x3.6mm_P2.54mm
...

A trivial tweak of the three pattern regexes would allow it to digest
the raw XML, obviating need for xml2, but the XML was rather daunting at
first sight.

Erik

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