Description - Mks.com

To close a given file, use
close filename ;
The filename is given as a string-valued expression. If you use a printing statement to write to a
file, it is important to close the file before cc runs a program that requires the contents of the file to
be up-to-date.
Delete File
To delete a given file, use
delete filename ;
You can use this to get rid of temporary (work) files created by earlier statements in the cc
program. The file name is given as a string-valued expression.
Define Function
You can define a function using the function statement, which has the form:
function name ( [arg1{, arg2}] )
{
statements
}
Execute a command
To execute a command, use
exec expression { , expression } ;
Each expression is converted into a string (if necessary) and then concatenated into a command
string (with a single blank between each expression in the list). For example,
exec "cp","infile","outfile" ;
executes the command
cp infile outfile
The exec statement executes the command and then goes on to the next statement. (See the
exec expression following for ways to get the return status of the executed command.) The
behavior of exec can be changed by the values of the ECHO and NORUN variables.
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