CLI Magic: Wait or Sleep?    Monday, March 28 2005 @ 04:09 PM EST Contributed by: glosser The NewsForge(sister site of Linux.com) presents another tutorial in their Command Line Interface series. This one details the usage of "sleep" and "wait" in scripts. Usually, you want a shell script to just run to completion, one command after another. There are times, however, when a sequence of events includes a step upon which subsequent steps depend for successful execution. For these times, two useful commands are wait and sleep, both of which cause a delay in the script execution. The wait command man page simply states that it pauses script execution until a specified process ID completes. The man page for the sleep command is a single line stating that it causes a script to pause for specified period of time. How do you decide which is appropriate for the script at hand? In some cases it won't make any difference to the successful completion of the script. Other times it can be the difference between success and total failure to produce the expected results. Full tutorial   [ Views: 1488 ]

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