76 lines
1.5 KiB
Perl
Executable file
76 lines
1.5 KiB
Perl
Executable file
#!/usr/bin/perl -w
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use strict;
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my $help = <<'EOF';
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usage: motelist [options]
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options:
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-h display this help
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-c compact format, not pretty but easier for parsing
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EOF
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my %Opt = (
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compact => 0,
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dev_prefix => [ "/dev/tty.usbserial-" ],
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);
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while (@ARGV) {
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last unless $ARGV[0] =~ /^-/;
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my $opt = shift @ARGV;
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if( $opt eq "-h" ) { print "$help\n"; exit 0; }
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elsif( $opt eq "-c" ) { $Opt{compact} = 1; }
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else { print STDERR "$help\nerror, unknown command line option $opt\n"; exit 1; }
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}
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print_motelist( scan_dev() );
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#
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# Scan /dev for tty.usbserial-*
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#
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sub scan_dev {
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my @devs;
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foreach (`ls /dev/tty.usbserial-* 2>&1`) {
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my($dev, $serial) = /(\/dev\/tty.usbserial-(\S+))/;
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if ($serial ne "*:") {
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my $d;
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$d->{"InfoSerial"} = $serial;
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$d->{"SerialDevName"} = $dev;
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push(@devs, $d);
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}
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}
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return @devs;
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}
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#
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# Print motelist
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#
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sub print_motelist {
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my @devs = @_;
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# If none were found, quit
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if( @devs == 0 ) {
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print "No devices found.\n";
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return;
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}
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# Print a header
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if( !$Opt{compact} ) {
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print << "EOF" unless $Opt{compact};
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Reference Device Description
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---------- --------------------------- ---------------------------------------
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EOF
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}
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# Print the usb information
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for my $dev (@devs) {
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my $desc = "(none)";
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my @output = ( $dev->{"InfoSerial"}, $dev->{"SerialDevName"}, $desc );
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if( $Opt{compact} ) {
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print join(",",@output) . "\n";
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} else {
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printf( "%-10s %-27s %s\n", @output );
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}
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}
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}
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