lsec: advanced number formatting; no-lines option.
--- a/script/lsec.pl Mon Sep 11 08:52:41 2006 +0000
+++ b/script/lsec.pl Mon Sep 11 09:22:45 2006 +0000
@@ -42,6 +42,7 @@
use strict;
use Getopt::Std;
+my %opt;
my $master_index;
my $master_dir;
my $term_width;
@@ -55,27 +56,6 @@
#------------------------------------------------------------------------------
-sub get_terminal_width
-{
- my $winsize;
- die "no TIOCGWINSZ " unless defined &TIOCGWINSZ;
- open(TTY, "+</dev/tty") or die "No tty: $!";
- unless (ioctl(TTY, &TIOCGWINSZ, $winsize='')) {
- die sprintf "$0: ioctl TIOCGWINSZ (%08x: $!)\n", &TIOCGWINSZ;
- }
- (my $row, my $col, my $xpixel, my $ypixel) = unpack('S4', $winsize);
- return $col;
-}
-#------------------------------------------------------------------------------
-
-sub print_line
-{
- for (my $i = 0; $i < $term_width; $i++) {print "-";}
- print "\n";
-}
-
-#------------------------------------------------------------------------------
-
sub query_master
{
$master_dir = "/sys/ethercat" . $master_index;
@@ -91,7 +71,11 @@
my @slaves;
my $slave;
my $abs;
- my $line;
+ my $line;
+ my $ring_cols;
+ my $adv_cols;
+ my $fmt;
+ my $cols;
unless (opendir $dirhandle, $master_dir) {
print "Failed to open directory \"$master_dir\".\n";
@@ -132,12 +116,19 @@
@slaves = sort { $a->{'ring_position'} <=> $b->{'ring_position'} } @slaves;
- print "EtherCAT bus listing for master $master_index:\n";
+ $ring_cols = 0;
+ $adv_cols = 0;
for $slave (@slaves) {
- print_line if $slave->{'coupler'} eq "yes";
- $abs = sprintf "%i", $slave->{'ring_position'};
- printf(" %3s %8s %-6s %s\n",
- $abs, $slave->{'advanced_position'},
+ $cols = length $slave->{'ring_position'};
+ $ring_cols = $cols if ($cols > $ring_cols);
+ $cols = length $slave->{'advanced_position'};
+ $adv_cols = $cols if ($cols > $adv_cols);
+ }
+ $fmt = sprintf " %%%is %%-%is %%-6s %%s\n", $ring_cols, $adv_cols;
+
+ for $slave (@slaves) {
+ &print_line if $slave->{'coupler'} eq "yes" and !defined $opt{n};
+ printf($fmt, $slave->{'ring_position'}, $slave->{'advanced_position'},
$slave->{'state'}, $slave->{'name'});
}
}
@@ -146,18 +137,15 @@
sub get_options
{
- my %opt;
- my $optret;
+ my $optret = getopts "m:nh", \%opt;
- $optret = getopts "m:h", \%opt;
+ &print_usage if defined $opt{h} or $#ARGV > -1 or !$optret;
- &print_usage if defined $opt{'h'} or $#ARGV > -1 or !$optret;
-
- if (defined $opt{'m'}) {
- $master_index = $opt{'m'};
+ if (defined $opt{m}) {
+ $master_index = $opt{m};
}
else {
- $master_index = 0;
+ $master_index = 0;
}
}
@@ -165,12 +153,34 @@
sub print_usage
{
- my $cmd = `basename $0`;
- chomp $cmd;
+ my $cmd = `basename $0`;
+ chomp $cmd;
print "Usage: $cmd [OPTIONS]\n";
print " -m <IDX> Query master <IDX>.\n";
+ print " -n Display no coupler lines.\n";
print " -h Show this help.\n";
exit 0;
}
#------------------------------------------------------------------------------
+
+sub get_terminal_width
+{
+ my $winsize;
+ die "no TIOCGWINSZ " unless defined &TIOCGWINSZ;
+ open(TTY, "+</dev/tty") or die "No tty: $!";
+ unless (ioctl(TTY, &TIOCGWINSZ, $winsize='')) {
+ die sprintf "$0: ioctl TIOCGWINSZ (%08x: $!)\n", &TIOCGWINSZ;
+ }
+ (my $row, my $col, my $xpixel, my $ypixel) = unpack('S4', $winsize);
+ return $col;
+}
+#------------------------------------------------------------------------------
+
+sub print_line
+{
+ for (my $i = 0; $i < $term_width; $i++) {print "-";}
+ print "\n";
+}
+
+#------------------------------------------------------------------------------