[Issue 423] New: dmd ignores empty commandline arguments
Thomas Kuehne
thomas-dloop at kuehne.cn
Wed Oct 11 13:35:41 PDT 2006
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Walter Bright schrieb am 2006-10-11:
> Derek Parnell wrote:
>> The strings on a command line contain information even if one of them is
>> empty - at the very least it is a placeholder.
>
> We could argue this till the cows come home. But the current behavior:
>
> 1) Is a result of the Digital Mars C startup code
> 2) It's been that way for 20+ years
> 3) It's embedded into every DM tool and every command line program
> created with DM
Please document this behaviour(http://www.digitalmars.com/d/dcompiler.html).
> Nobody has ever complained about it or even commented on it before. I
> doubt anyone has noticed it - I certainly haven't, and I've used this
> stuff probably more than anyone <g>.
>
> Linux, however, does behave the way you suggest - at least the default
> shell I use does it that way. On the other hand, I've never seen any
> linux utility that made any mention in its documentation about having
> any meaning assigned to blank arguments. Trying it on a few just gives
> errors.
>
> In other words, I don't think it's worth arguing about or changing.
The Linux Way is very nice for locating scripting bugs:
dmd "${SOURCE_1}" "${SPURCE_2}"
Thomas
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