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How to read a dynamically changing file

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Top Forums Shell Programming and Scripting How to read a dynamically changing file
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Old 04-15-2012
IFS is is the Internal Field Separator. In the example I set that to "" so that leading white space does not get removed. test.out out is just an arbitrary file name, you can choose whatever file you like or use a pipeline symbol instead to pipe it into something that sends out the alert..
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LEARN ABOUT DEBIAN

explain_creat_or_die

explain_creat_or_die(3) 				     Library Functions Manual					   explain_creat_or_die(3)

NAME

       explain_creat_or_die - create and open a file creat and report errors

SYNOPSIS

       #include <libexplain/creat.h>
       void explain_creat_or_die(const char *pathname, int mode);

DESCRIPTION

       The  explain_creat_or_die function is used to call the creat(2) system call.  On failure an explanation will be printed to stderr, obtained
       from explain_creat(3), and then the process terminates by calling exit(EXIT_FAILURE).

       This function is intended to be used in a fashion similar to the following example:
	      explain_creat_or_die(pathname, mode);

       pathname
	       The pathname, exactly as to be passed to the creat(2) system call.

       mode    The mode, exactly as to be passed to the creat(2) system call.

       Returns:
	       This function only returns on success.  On failure, prints an explanation and exits.

SEE ALSO

       creat(2)
	       open and possibly create a file or device

       explain_creat(3)
	       explain creat(2) errors

       exit(2) terminate the calling process

COPYRIGHT

       libexplain version 0.52
       Copyright (C) 2008 Peter Miller

															   explain_creat_or_die(3)