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File: coreutils.info, Node: printenv invocation, Next: tty invocation, Prev: stty invocation, Up: Working context
19.3 'printenv': Print all or some environment variables
========================================================
'printenv' prints environment variable values. Synopsis:
printenv [OPTION] [VARIABLE]...
If no VARIABLEs are specified, 'printenv' prints the value of every
environment variable. Otherwise, it prints the value of each VARIABLE
that is set, and nothing for those that are not set.
The program accepts the following option. Also see *note Common
options::.
'-0'
'--null'
Output a zero byte (ASCII NUL) at the end of each line, rather than
a newline. This option enables other programs to parse the output
of 'printenv' even when that output would contain data with
embedded newlines.
Exit status:
0 if all variables specified were found
1 if at least one specified variable was not found
2 if a write error occurred
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
On Apache
Under GNU General Public License
2024-05-18 01:07 @3.147.85.201 CrawledBy Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)