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Linux.com: CLI Magic: Executing Jobs Once

May 31, 2006, 10:00 (0 Talkback[s])
(Other stories by Matthias Kalle Dalheimer, Matt Welsh)

"You know you can schedule recurring jobs with the cron command. What if you want to run a certain command just once, or a limited number of times, but still at times when it is inconvenient to type in the command interactively? You could always add the command to the crontab and then remove it later. But there is also a tool that is made for this job: the at command..."

"at reads commands to be executed from a file or from standard input. You can specify the time in a number of ways, including natural-language specifications such as noon, midnight, or, interestingly, teatime (which, much to the dismay of British users, maps to 4 p.m.)..."

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