help2002

It's UWAweek 47

help2002

This forum is provided to promote discussion amongst students enrolled in CITS2002 Systems Programming.
Please consider offering answers and suggestions to help other students! And if you fix a problem by following a suggestion here, it would be great if other interested students could see a short "Great, fixed it!" followup message.

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UWA week 36 (2nd semester, mid-semester break) ↓

1st project arg variables (all 4)

10:04pm Fri 6th Sep, ANONYMOUS

Hi, am I correct in assuming that the variables arg0, arg1, and so on can only appear in expressions? In other words, this is ok: x <- arg0 + 2 but this is not ok: arg0 <- 2 function process arg1 # do something Thank you

UWA week 37 (2nd semester, week 7) ↓

1st project arg variables (all 4)

8:27pm Wed 11th Sep, Joshua N.

ANONYMOUS wrote:

> Hi, am I correct in assuming that the variables arg0, arg1, and so on can only appear in expressions? > > In other words, this is ok: > > x <- arg0 + 2 > > but this is not ok: > > arg0 <- 2 > > function process arg1 > # do something > > > Thank you

Yes, that seems correct.

1st project arg variables (all 4)

10:51am Thu 12th Sep, ANONYMOUS

is it okay to not allow defining identifier names of the form "arg<number>" at all?

1st project arg variables (all 4)

9:11pm Thu 12th Sep, Joshua N.

ANONYMOUS wrote:

> is it okay to not allow defining identifier names of the form "arg<number>" at all?

Yes. Otherwise, there would be no way to differentiate between a normal variable and a command line argument.