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datefudge - Online in the Cloud

Run datefudge in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command datefudge that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


datefudge - pretend the system time is different

SYNOPSIS


datefudge [-s|--static] at_date program [arguments ...]

DESCRIPTION


datefudge is a small utility that pretends that the system time is different by pre-
loading a small library which modifies the time(2), gettimeofday(2) and clock_gettime(2)
system calls.

DATE FORMAT


The at_date argument can be given in any format accepted by the date(1) program, for
example "2007-04-01 12:21" or "yesterday", or "next Friday".

OPTIONS


--static, -s
Mark the date as a `static' one. The above mentioned system calls will always
return the date given in the at_date argument, regardless of time passing. See
EXAMPLES
below.

--help, -h
Print short usage information and exit.

--version, -v
Print version information and exit.

EXAMPLES


Basic examples:
$ datefudge "2007-04-01 10:23" date -R
Sun, 01 Apr 2007 10:23:00 +0200

$ datefudge "1 May 2007" date -R
Tue, 01 May 2007 00:00:00 +0200

$ datefudge "2 weeks ago" date -R
Wed, 16 Jan 2008 13:32:12 +0100

Non-static vs. static example:
$ datefudge "2007-04-01 10:23" sh -c "sleep 3; date -R"
Sun, 01 Apr 2007 10:23:03 +0200

$ datefudge --static "2007-04-01 10:23" sh -c "sleep 3; date -R"
Sun, 01 Apr 2007 10:23:00 +0200

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