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Full Discussion: Pass the value from pipe
Top Forums Shell Programming and Scripting Pass the value from pipe Post 302940511 by Don Cragun on Monday 6th of April 2015 04:33:24 PM
Old 04-06-2015
Quote:
Originally Posted by RudiC
That works, but only in ksh, which i didn't see the requestor mention. In other shells, the third stage is executed in a subshell, and the value read will not be available in the calling shell. You could use read with bash's process substitution here, or a variable assignment with command substitution.
Ouch. Yes. I intended to include an additional set of braces or parentheses making the last three lines all be a subshell as the 3rd stage of the pipeline. I will update post #2 momentarily.
 

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APACHE_SETENV(3)							 1							  APACHE_SETENV(3)

apache_setenv - Set an Apache subprocess_env variable

SYNOPSIS
bool apache_setenv (string $variable, string $value, [bool $walk_to_top = false]) DESCRIPTION
apache_setenv(3) sets the value of the Apache environment variable specified by $variable. Note When setting an Apache environment variable, the corresponding $_SERVER variable is not changed. PARAMETERS
o $variable - The environment variable that's being set. o $value - The new $variable value. o $walk_to_top - Whether to set the top-level variable available to all Apache layers. RETURN VALUES
Returns TRUE on success or FALSE on failure. EXAMPLES
Example #1 Setting an Apache environment variable using apache_setenv(3) <?php apache_setenv("EXAMPLE_VAR", "Example Value"); ?> NOTES
Note apache_setenv(3) can be paired up with apache_getenv(3) across separate pages or for setting variables to pass to Server Side Includes (.shtml) that have been included in PHP scripts. SEE ALSO
apache_getenv(3). PHP Documentation Group APACHE_SETENV(3)
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