ts (1)

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NAME

ts - timestamp input

SYNOPSIS

ts [-r] [-i | -s] [format]

DESCRIPTION

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 strftime(3). The default format is ``%b %d %H:%M:%S''. In addition to the regular strftime conversion specifications, ``%.S'' and ``%.s'' are like ``%S'' and ``%s'', but provide subsecond resolution (ie, ``30.00001'' and ``1301682593.00001'').

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. Currently, converting localized dates is not supported.

If both -r and a format is passed, the existing timestamps are converted to the specified format.

If the -i or -s switch is passed, ts timestamps incrementally instead. In case of -i, every timestamp will be the time elapsed since the last timestamp. In case of -s, the time elapsed since start of the program is used. The default format changes to ``%H:%M:%S'', and ``%.S'' and ``%.s'' can be used as well.

ENVIRONMENT

The standard environment variable controls what time zone dates are assumed to be in, if a timezone is not specified as part of the date.

AUTHOR

Copyright 2006 by Joey Hess <id@joeyh.name>

Licensed under the