system_call ( : : Command : )

Executes a system command.

The operator system_call executes the system command specified by the string pointed to by Command (C-procedure "system"). If the string is empty, an interactive shell will be started ('csh -i').


Parameters

Command (input_control)
string -> string
Command to be called the system.
Default value: 'ls'


Result

If the entered operator can be executed by the system, the operator system_call returns the value TRUE. Otherwise an exception will be raised.


Possible Predecessors

count_seconds


See also

wait_seconds, count_seconds



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