directory listings in programs

[ameer armaly]

Use the access system call, but with 0 as the permission value to just see
if it exists; see the man page for more info.


On Sat, 15 May 2004, Gregory Nowak wrote:

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> Hi all.
>
> I am writing a c program under gnu/Linux, in which I need to know if a
> file of a particular name exists. The only way I can think of checking
> for this is to attempt to open a file of a given name in read-only
> mode. If it opens, the file exists, if the FILE stream is NULL, the
> file doesn't exist. However, doing this for a good number of files
> would be inefficient in my opinion. So, I was wondering if there is a
> function which will simply tell me if a file of a given name exists or
> not, sort of like calling ls, although I don't actually want to be
> literally doing that either from within the program? Thanks.
>
> Greg
>
>
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