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Full Discussion: 0403-016 Cannot find or open the file in If Statement
Top Forums UNIX for Beginners Questions & Answers 0403-016 Cannot find or open the file in If Statement Post 303032479 by RudiC on Tuesday 19th of March 2019 05:17:17 AM
Old 03-19-2019
Despite nezabudka's and MadeInGermany's comments being correct they don't explain the error message. It comes from the shell interpreting the < as the redirection operator for stdin, and it doesn't find the file named the $error_limit's value. Escaping it would have helped circumvent that error, but had immediately stumbled over the next one: <= is not an accepted operator (in bashat least - you didn't mention the shell you use), use ! ... \> in lieu. Be aware that either of these compare values lexicographically using the current locale, so 145 would be considered less than 87, for instance. That's where nezabudka's proposals to use integer / numerical operators (like -le) come into play.
This User Gave Thanks to RudiC For This Post:
nezabudka
 

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perror

PERROR(1)						       MySQL Database System							 PERROR(1)

NAME

       perror - explain error codes

SYNOPSIS

       perror [options] errorcode ...

DESCRIPTION

       For most system errors, MySQL displays, in addition to an internal text message, the system error code in one of the following styles:

	   message ... (errno: #)
	   message ... (Errcode: #)

       You can find out what the error code means by examining the documentation for your system or by using the perror utility.

       perror prints a description for a system error code or for a storage engine (table handler) error code.

       Invoke perror like this:

	   shell> perror [options] errorcode ...

       Example:

	   shell> perror 13 64
	   OS error code  13:  Permission denied
	   OS error code  64:  Machine is not on the network

       To obtain the error message for a MySQL Cluster error code, invoke perror with the --ndb option:

	   shell> perror --ndb errorcode

       Note that the meaning of system error messages may be dependent on your operating system. A given error code may mean different things on
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       perror supports the following options.

       o   --help, --info, -I, -?

	   Display a help message and exit.

       o   --ndb

	   Print the error message for a MySQL Cluster error code.

       o   --silent, -s

	   Silent mode. Print only the error message.

       o   --verbose, -v

	   Verbose mode. Print error code and message. This is the default behavior.

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MySQL 5.5							    01/30/2014								 PERROR(1)
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