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08-02-2007
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return code of a unix command
How to find out whether the command I executed is successful or unsuccessful(at commandlinet)
Eg: say i execute the following command at command line rm * How do i find out whether my previous command is a success or failure. Thankyou. Best Regards, Ram. |
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08-02-2007
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Note: rm * can be very dangerous, be careful Code:
<some command> echo "$?" will display 0 if "some command" was successful. It will show 1 (or another non-zero number) if the command failed. Usually commands also display error messages when something goes wrong. |
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