/usr/bin/gnucap2genspic is in chiark-scripts 5.0.2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | #!/usr/bin/perl
# gnucap2genspic - Copyright 2004 Ian Jackson - see below
#
# Reads the output from gnucap and outputs a `genspic' file
# for use with genspic2gnuplot. Takes no arguments or options.
#
# Limitations
#
# Only Freq (.AC) and Time (.TRAN) plots have been tested. If
# other types go wrong they can probably be fixed by adding code for
# them to startplot().
#
# Displaying voltages and currents on the same .TRAN graph won't work
# well because they currently have to have the same Y scale. This
# could be fixed by assigning carefully to $mmm in startplot().
#
# This whole scheme is very clumsy. There should be a driver program
# with command-line option parsing.
# This program and its documentation are free software; you can
# redistribute them and/or modify them under the terms of the GNU
# General Public License as published by the Free Software Foundation;
# either version 3, or (at your option) any later version.
#
# This program and its documentation are distributed in the hope that
# they will be useful, but WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
# PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, consult the Free Software Foundation's
# website at www.fsf.org, or the GNU Project website at www.gnu.org.
die if @ARGV;
%facttimes= qw(f 1e-15
p 1e-12
n 1e-9
u 1e-6
m 1e-3
K 1e3
Meg 1e6
G 1e9
T 1e12);
sub startplot () {
$logxy= 0;
for ($yn=1; $yn<=$#columns; $yn++) {
$mmm[$yn]= 'y';
}
if ($kind eq 'Freq') {
$logxy= 1;
for ($yn=1; $yn<=$#columns; $yn++) {
die unless $columns[$yn] =~ m/.*([MP])\(\d+\)$/i;
$mmm[$yn]= 'y2' if uc $1 eq 'P';
}
}
printf "S %s %d", $cplot, $logxy or die $!;
for ($yn=1; $yn<=$#columns; $yn++) {
printf " %s:%s", $mmm[$yn], $columns[$yn] or die $!;
}
print "\n" or die $!;
}
sub endplot () {
return unless defined $kind;
print "T\n" or die $!;
}
$readahead= <STDIN>;
for (;;) {
$linesofar= $readahead;
for (;;) {
$readahead= <STDIN>;
last unless $readahead =~ s/^\+//;
die unless length $linesofar;
$linesofar =~ s/\n$//;
$linesofar .= $readahead;
}
$_= $linesofar;
last unless length;
s/\s+$//;
if (m/^\#(\w+)/) {
endplot();
$kind= $1;
@columns= split /\s+/;
$cplot= $kind;
startplot();
next;
} elsif (!defined $kind) {
next;
} elsif (s/^\s+//) {
@numbers= split /\s+/;
map {
if (m/^(\-?\d+\.\d*)([A-Za-z]+)$/) {
die "factor $2" unless exists $facttimes{$2};
$_= $1*$facttimes{$2};
}
} @numbers;
print "D @numbers\n" or die $!;
} else {
die "$_ ?";
}
}
die "no plots" unless defined $kind;
endplot();
print "F\n" or die $!;
# $Id: gnucap2genspic,v 1.4 2007-09-21 21:21:15 ianmdlvl Exp $
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