exportSet an environment variable. Mark each name to be passed to child processes in the environment.
SYNTAX export [-fn] [-p] [name[=value]] OPTIONS -f The names refer to shell functions; otherwise the names refer to shell variables -n No longer mark each name for export. -p Display output in a form that may be reused as input.
If no names are supplied, or if the `-p' option is given, a list of exported names is displayed.
The return status is zero unless an invalid option is supplied, one of the names is not a valid shell variable name, or `-f' is supplied with a name that is not a shell function.
export is a BOURNE shell command and a POSIX `special' builtin.
Example - local variables
v_old_file=export.csv v_new_file=last.csv mv $v_old_file $v_new_file
Example - global variable:
v_department=Sales ; export v_department v_customer='Brown Brothers' ; export v_customer
env - Display, set, or remove environment variables
echo - Display message on screen
exit - Exit the shell
function - Define Function Macros
hostname - Print or set system name
local - Create variables
printenv - Print environment variables
readonly - Mark variables/functions as readonly
shift - Shift positional parameters
unset - Remove variable or function names