11-27-2009
Error 1: There must not be a whitespace between the variable name, the equal sign, and the value.
Error 2: Using curly brackets does not tell the shell to do an arithmetic evaluation
Improvement idea: Run free only once, and calculate the percentage in one awk statement.
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FALSE(1) User Commands FALSE(1)
NAME
false - do nothing, unsuccessfully
SYNOPSIS
false [ignored command line arguments]
false OPTION
DESCRIPTION
Exit with a status code indicating failure.
--help display this help and exit
--version
output version information and exit
NOTE: your shell may have its own version of false, which usually supersedes the version described here. Please refer to your shell's doc-
umentation for details about the options it supports.
AUTHOR
Written by Jim Meyering.
REPORTING BUGS
Report false bugs to bug-coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
COPYRIGHT
Copyright (C) 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
The full documentation for false is maintained as a Texinfo manual. If the info and false programs are properly installed at your site,
the command
info coreutils 'false invocation'
should give you access to the complete manual.
GNU coreutils 7.1 July 2010 FALSE(1)