Re: command line arg expansion

[Morgan Gangwere <0 dot fractalus at gmail dot com>]

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jim wrote:
> Morgan,
> 
> What do you mean by:
> 
>> isnt this because if the wildcard reading in 1.5.23?
> 
> Is this something that has changed between 1.5.12 and 1.5.23?    Maybe I'm
> connecting two unrelated datapoints, but I noticed the problem because of a
> perl script that looks like:
> 
> open(LS, "ls -dF1 /c* | grep '/.*/' |");
> 
> This worked fine on older versions of Cygwin, but doesn't work any more.
> In trying to figure out what was going on, I replaced grep with the program
> to print out argv and noticed the difference.
> 
> thanks,
> jim
> 
>> -----Original Message-----
>> From: Morgan Gangwere [mailto:0.fractalus@gmail.com] 
>> Sent: Thursday, January 11, 2007 4:32 PM
>> To: cygwin@cygwin.com
>> Subject: Re: command line arg expansion
>>
> jim wrote:
>>>> I have recently upgraded from 1.5.12 to 1.5.23 and noticed 
> something that
>>>> has me wondering.    I compiled this on 1.5.23 and have run 
> it under cmd.exe
>>>> on on 1.5.12 and 1.5.23:
>>>>
>>>> #include <stdio.h>
>>>>
>>>> int main(int argc, char *argv[])
>>>> {
>>>>    int i, c;
>>>>
>>>>    for (i = 0; i < argc; i++)
>>>>       printf("arg[%d]: '%s'\n", i, argv[i]); }
>>>>
>>>> On 1.5.12:
>>>> C:\>e '/.*/'
>>>> arg[0]: 'e'
>>>> arg[1]: '/.*/'
>>>>
>>>> On 1.5.23:
>>>> C:\>e '/.*/'
>>>> arg[0]: 'e'
>>>> arg[1]: '/../'
>>>> arg[2]: '/./'
>>>> arg[3]: '/.other/'
>>>>
>>>> It appears that the runtime initialization on 1.5.23 is 
> doing command line
>>>> expansion - is this correct?   If so, is this change 
> documented somewhere so
>>>> I get the full explanation?
>>>>
>>>> thanks for any insight,
>>>> jim
>>>>
>>>>
>>>>
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>>>>
>>>>
> isnt this because if the wildcard reading in 1.5.23?
> 
> i have seen this several times, especially in this kind of program.
> handle the argv[] as an array of real strings and  you should 
> be fine TTBOMK 

i may have been confused. what shell are you running this from?


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