Debugging Scripts in the C Shell

It is possible to debug a script by adding the -x flag to the shell executable:

% csh -x scriptname arguments

The action of the csh, csh, can be modified with command line parameters:

Option, Effect

-x

Commands are echoed prior to execution

-X

Same as above, but includes .cshrc commands

-v

Commands are echoed after history substitution

-V

Same as above, but includes .cshrc commands