2010-10-16 05:58:57 +03:00
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#!/usr/bin/perl
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sub rows
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{
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local $s = $_[0];
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my @res = ();
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while ($s =~ m#.*?<tr>(.*?)</tr>#) {
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push(@res, $1);
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$s = $';
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}
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return @res;
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}
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sub cols
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{
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local $s = $_[0];
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my @res = ();
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while ($s =~ m#.*?<td[^>]*>(.*?)</td>#) {
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push(@res, $1);
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$s = $';
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}
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return @res;
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}
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sub flush
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{
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$cmd = "wget -nv -O - ".join(" ",
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map
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"http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail\\&name=$_",
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@pn);
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$q .= `$cmd`;
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@pn = ();
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}
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sub usage
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{
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print STDERR "usage: $0 (query [-i cache_file] | dsc | inv) [file ...]\n";
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exit(1);
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}
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$mode = shift @ARGV;
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&usage unless $mode eq "query" || $mode eq "dsc" || $mode eq "inv";
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if ($mode eq "query") {
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if ($ARGV[0] eq "-i") {
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shift @ARGV;
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$name = shift @ARGV;
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open(OLD, $name) || die "$name: $!";
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$q = join("", <OLD>);
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($old = $q) =~ tr/\r\n//d;
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close OLD;
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}
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while (<>) {
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chop;
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s/#.*//;
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next if /^\s*$/;
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next if /^\s/;
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s/\s.*//;
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2010-10-17 04:14:59 +03:00
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$n++;
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print STDERR "$n\r" unless $n % 100;
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2010-10-16 05:58:57 +03:00
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next if $old =~ m#align=right>Digi-Key Part Number</th><td>$_</td#;
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push(@pn, $_);
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&flush if @pn > 1000;
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}
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&flush if 0+@pn;;
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print $q;
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exit;
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}
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$q = join("", <>);
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$q =~ tr/\r\n//d;
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print "#DSC\n" if $mode eq "dsc";
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print "#INV\n" if $mode eq "inv";
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print "# MACHINE-GENERATED. DO NOT EDIT !\n";
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print "# ", `date -u`;
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for (split(/<!DOCTYPE HTML/, $q)) {
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next unless m#align=right>Digi-Key Part Number</th><td>([^<]+)</td#;
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$pn = $1;
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$qty = 0;
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if (m#align=right>Quantity Available</th><td[^>]*>([0-9,]+)<#) {
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($qty = $1) =~ tr/,//d;
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}
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next unless m#align=right>Description</th><td>(.*?)</td#;
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$dsc = $1;
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next unless m#<table.*<th>Price Break<(.*?)</table>#;
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if ($mode eq "dsc") {
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print "DIGI-KEY $pn $dsc\n";
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next;
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}
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print "DIGI-KEY $pn $qty USD";
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for (&rows($1)) {
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@c = &cols($_);
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next unless $c[0] =~ /^[0-9,]+$/;
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next unless $c[1] =~ /^[0-9.]+$/;
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$c[0] =~ tr/,//d;
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$c[1] =~ tr/,//d; # let's hope we don't need this one often :)
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$c[1] =~ s/0+$// if $c[1] =~ /\./;
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print " $c[0] $c[1]";
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}
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print "\n";
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}
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