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-rwxr-xr-xts50
1 files changed, 46 insertions, 4 deletions
diff --git a/ts b/ts
index dd66e47..7e3fd06 100755
--- a/ts
+++ b/ts
@@ -6,7 +6,7 @@ ts - timestamp input
=head1 SYNOPSIS
-ts [-r] [format]
+ts [-r] [-i] [format]
=head1 DESCRIPTION
@@ -27,6 +27,11 @@ dates is not supported.
If both -r and a format is passed, the existing timestamps are
converted to the specified format.
+If the -i switch is passed, ts timestamps incrementally instead. Every
+timestamp will be the time elapsed since the last timestamp.
+The default format changes to "%H:%M:%S", and "%.S" and "%.s" can be used
+as well.
+
=head1 ENVIRONMENT
The standard TZ environment variable controls what time zone dates
@@ -47,8 +52,9 @@ use POSIX q{strftime};
$|=1;
my $rel=0;
+my $inc=0;
use Getopt::Long;
-GetOptions("r" => \$rel) || die "usage: ts [-r] [format]\n";
+GetOptions("r" => \$rel, "i" => \$inc) || die "usage: ts [-r] [-i] [format]\n";
if ($rel) {
eval q{
@@ -60,6 +66,9 @@ if ($rel) {
my $use_format=@ARGV;
my $format="%b %d %H:%M:%S";
+if ($inc) {
+ $format="%H:%M:%S";
+}
$format=shift if @ARGV;
# For subsecond resolution, Time::HiRes is needed.
@@ -69,17 +78,50 @@ if ($format=~/\%\.[Ss]/) {
$hires=1;
}
+my $lastseconds = 0;
+my $lastmicroseconds = 0;
+
+if ($hires) {
+ ($lastseconds, $lastmicroseconds) = Time::HiRes::gettimeofday();
+} else {
+ $lastseconds = time;
+}
+
+
while (<>) {
if (! $rel) {
if ($hires) {
my $f=$format;
my ($seconds, $microseconds) = Time::HiRes::gettimeofday();
+ if ($inc) {
+ my $deltaseconds = $seconds - $lastseconds;
+ my $deltamicroseconds = $microseconds - $lastmicroseconds;
+ if ($deltamicroseconds < 0) {
+ $deltaseconds -= 1;
+ $deltamicroseconds += 1000000;
+ }
+ $lastseconds = $seconds;
+ $lastmicroseconds = $microseconds;
+ $seconds = $deltaseconds;
+ $microseconds = $deltamicroseconds;
+ }
my $s=sprintf("%06i", $microseconds);
$f=~s/\%\.([Ss])/%$1.$s/g;
- print strftime($f, localtime($seconds));
+ if (!$inc) {
+ print strftime($f, localtime($seconds));
+ } else {
+ print strftime($f, gmtime($seconds));
+ }
}
else {
- print strftime($format, localtime);
+ if ($inc) {
+ my $seconds = time;
+ my $deltaseconds = $seconds - $lastseconds;
+ $lastseconds = $seconds;
+ print strftime($format, gmtime($deltaseconds));
+ } else {
+ print strftime($format, localtime);
+ }
}
print " ".$_;
}