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(12) Shell options

Shell options

Startup options. ksh -options scriptname

-x: echo line to stderr before executing it
-n: read commands and check for syntax errors, but do not execute.
-a: all variables are automatically exported
-f: disable wildcard filename expansion (globbing)
set -x: Set an option within a shell script
$-: contains the currently set option letters

There are many other options, not often needed. Options in ksh and bash can also be set using long names (e.g. -o noglob instead of -f). Many options are unique to ksh or bash.

command_line_opts.src last modified Mar 11, 2005

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