diff options
Diffstat (limited to 'ts')
| -rwxr-xr-x | ts | 62 |
1 files changed, 55 insertions, 7 deletions
@@ -6,14 +6,24 @@ ts - timestamp input =head1 SYNOPSIS -ts [format] +ts [-r] [format] =head1 DESCRIPTION -ts adds a timestamp to the beginning of each line of input +ts adds a timestamp to the beginning of each line of input. The optional format parameter controls how the timestamp is formatted, -as used by L<strftime(3)>. The default format is "%H:%M:%S". +as used by L<strftime(3)>. The default format is "%b %d %H:%M:%S". + +If the -r switch is passed, it instead converts existing timestamps in +the input to relative times, such as "15m5s ago". Many common timestamp +formats are supported. Note that the Time::Duration and Date::Parse perl +modules are required for this mode to work. + +=head1 ENVIRONMENT + +The standard TZ environment variable controls what time zone dates +are assumed to be in, if a timezone is not specified as part of the date. =head1 AUTHOR @@ -27,11 +37,49 @@ use warnings; use strict; use POSIX q{strftime}; -my $format="%H:%M:%S"; -$format=shift if @ARGV; - $|=1; +my $rel=0; +use Getopt::Long; +GetOptions("r" => \$rel) || die "usage: ts [-r] [format]\n"; + +if ($rel) { + eval q{ + use Date::Parse; + use Time::Duration; + }; + die $@ if $@; +} + +my $format="%b %d %H:%M:%S"; +$format=shift if @ARGV; + while (<>) { - print strftime($format, localtime)." ".$_; + if (! $rel) { + print strftime($format, localtime)." ".$_; + } + else { + s{\b( + \d\d[-\s\/]\w\w\w # 21 dec 17:05 + (?:\/\d\d+)? # 21 dec/93 17:05 + [\s:]\d\d:\d\d # (time part of above) + (?::\d\d)? # (optional seconds) + (?:\s+[+-]\d\d\d\d)? # (optional timezone) + | + \w{3}\s+\d\d\s+\d\d:\d\d:\d\d # syslog form + | + \d\d\d[-:]\d\d[-:]\d\dT\d\d:\d\d:\d\d.\d+ # ISO-8601 + | + (?:\w\w\w,?\s+)? # (optional Day) + \d+\s+\w\w\w\s+\d\d+\s+\d\d:\d\d:\d\d + # 16 Jun 94 07:29:35 + (?:\s+\w\w\w|\s+-\d\d\d\d)? + # (optional timezone) + )\b + }{ + concise(ago(time - str2time($1), 2)) + }exg; + + print $_; + } } |