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Top Forums UNIX for Beginners Questions & Answers How to ignore No such file or directory on the output? Post 303046327 by sea on Friday 1st of May 2020 12:17:05 AM
Quote:
Originally Posted by Varja
Today I am using on that specific line , instead of whole script executing. But this line making me to think , if for some reason that FS is not mounted during patching then I am missing that important message . Any way I can avoid ? I guess answer would be NO.
You could redirect error messages to a (log-)file, for a later review, or to parse for known issues after the 'main' commands.
So instead of >/dev/null you would be using >>/path/to/logfile.

Hope this helps
 
Test Your Knowledge in Computers #800
Difficulty: Medium
In the system with radix 13, for example, a string of digits such as 398 denotes the (decimal) number 632.
True or False?

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REGISTER_SHUTDOWN_FUNCTION(3)						 1					     REGISTER_SHUTDOWN_FUNCTION(3)

register_shutdown_function - Register a function for execution on shutdown

SYNOPSIS
void register_shutdown_function (callable $callback, [mixed $parameter], [mixed $...]) DESCRIPTION
Registers a $callback to be executed after script execution finishes or exit(3) is called. Multiple calls to register_shutdown_function(3) can be made, and each will be called in the same order as they were registered. If you call exit(3) within one registered shutdown function, processing will stop completely and no other registered shutdown functions will be called. PARAMETERS
o $callback - The shutdown callback to register. The shutdown callbacks are executed as the part of the request, so it's possible to send output from them and access output buffers. o $parameter - It is possible to pass parameters to the shutdown function by passing additional parameters. o $... - RETURN VALUES
No value is returned. ERRORS
/EXCEPTIONS If the passed callback is not callable a E_WARNING level error will be generated. EXAMPLES
Example #1 register_shutdown_function(3) example <?php function shutdown() { // This is our shutdown function, in // here we can do any last operations // before the script is complete. echo 'Script executed with success', PHP_EOL; } register_shutdown_function('shutdown'); ?> NOTES
Note Working directory of the script can change inside the shutdown function under some web servers, e.g. Apache. Note Shutdown functions will not be executed if the process is killed with a SIGTERM or SIGKILL signal. While you cannot intercept a SIGKILL, you can use pcntl_signal(3) to install a handler for a SIGTERM which uses exit(3) to end cleanly. SEE ALSO
auto_append_file, exit(3), The section on connection handling. PHP Documentation Group REGISTER_SHUTDOWN_FUNCTION(3)

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