10.0;eon, revision 1.0, 88/01/21
eon - activate the shell's -e flag.
usage: eon
DESCRIPTION
eon enables variable evaluation regardless of the context in which the
variables appear. Normally, variables are evaluated only inside variable
expression delimiters, ((expression)); otherwise, the shell treats the
^var_name expressions as strings and they are not evaluated.
By default, eoff is in effect when a shell is invoked.
If eon is turned on in a shell script, it remains on until that shell
script exits, or until overridden by an eoff in a nested shell script.
When a shell script exits, the variable evaluation is returned to the
state in effect just before the script was invoked.
eon requires no arguments or options.
SEE ALSO
More information is available. Type
help eoff For details about restricting variable evaluation to
within variable expressions
help sh For details about the shell command line interpreter
help shell For general shell information