Re: "printf %d ''" should diagnose the empty string

[Paul Eggert]

On 2024-11-20 23:25, Martin D Kealey wrote:

> 2. There exist deployed scripts that rely on the current behaviour.

Where? Any such scripts won't work on other shell implementations that 
do conform to POSIX here.


> This behaviour is entirely consistent with strtol(arg,&end,0) where you
> only check *end==0 and don't check end>arg.

Yes, the behavior is entirely consistent with a common misuse of strtol. :-)


> At some point in the past it was deemed appropriate to add a check
> tantamount to “if (end==arg && posix_mode) fail();”.

Not sure what you're talking about here. I don't see any such check in 
Bash's past. All I see is a longstanding minor oversight in the Bash 
source code.