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nargs
Tristan Hume edited this page Apr 23, 2012
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#nargs
##Syntax nargs : int
##Description The nargs function is used to determine the number of arguments that have been passed to a program from the command line. For example, if the program is run from the Turing environment using
then nargs will return 2. If a program called prog.x is run under UNIX using this command:
the value of nargs will similarly be 2.
The nargs function is usually used together with the fetcharg function to access the arguments that have been passed to the program.
:r file1 file2 prog.x file1 file2
##See also fetcharg.html for an example of the use of .