Scripting Options

err_exit

• if set, execute ZERR trap and exit if a command returns non-zero

local_options

• shell options are to be restored after returning from a shell function

multios

• enable multiple redirections

uptime > uptime0.txt > uptime1.txt

c_bases

• output hex-numbers in '0x1F' format (see 'octal_zeroes')

octal_zeroes

• print octal values the '0741' way

warn_create_global

• print a warning when creating a global parameter by an assignment in a function