How to assign a variable to an arbitrary value entered in command window
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Let's say you enter the number "2" into the command window.
I would like a program that assigns a variable "x" to whatever was entered in the command window.
I don't want to prompt the user for input. Ideally, the command window line would look something like this.
run program_file.m , 2, 3 , 4
I want the values 2 3 and 4 to be assigned to variables x y and z. Eventually I also want to be able to do this with strings, not just integers.
I do not want to run the program before I enter the numbers next to it. I want the program to run with the numbers and string (hopefully) on the same line.
I know this seems unnecessarily cumbersome and illogical due to the fact that I just could prompt user for input.
Thanks for the help,
Bubby
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Antworten (1)
Steven Lord
am 28 Jul. 2016
The run function runs script files, not function files. Script files cannot have input arguments. The scenario you're describing is EXACTLY what functions were designed to do!
function q = program_file(x, y, z)
q = x+y.^2+z.^3;
Now call program_file as:
q = program_file(2, 3, 4)
Inside program_file, the variable x will have the value 2, the variable y will have the value 3, and the variable z will have the value 4.
4 Kommentare
Walter Roberson
am 28 Jul. 2016
Why not write a wrapper function that gets the values from the arguments, assigns them to variables, and then run's the script ?
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