Unimplemented UNIX Shell Statements

The following UNIX Shell statements and constructs have no equivalent with the commands built into menu;

wait umask

trap shift

readonly until

read case

break continue


&& ||

${argument:-value} ${argument:=value


${argument:?value} ${argument:+value


Also, the UNIX shell quotes special characters with the backslash (\). The quote character must be set in menufiles as follows:

set QUOTEC to "\\"