regexec for filtering files in a directory
Keith Bottner
keith at barkinglizards.com
Fri Jan 21 13:20:22 PST 2005
I am trying to use the regcomp and regexec methods to filter files from a
directory; however, the regexec function always says that it matches the
pattern. Is there any problems with the regex functions? Or something in the
code that I am just missing? Or is there just a better way to do what I am
trying to do?
Basically:
regex_t reg;
int err = regcomp(®, "^.+\\.c$", REG_EXTENDED | REG_NOSUB);
DIR * dirp = opendir("~/");
struct dirent * pDirEnt;
while ((pDirEnt = readdir(dirp)) != NULL)
{
err = regexec(®, pDirEnt->d_name, 0, 0, 0);
if (err == 0)
{
printf("%s\n", pDirEnt->d_name);
}
}
regfree(&preg);
closedir(dirp);
Thanks,
Keith
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