Thanks to all who replied. On Friday, November 4, 2022 at 8:47:51 AM UTC-4 Konstantin Khomoutov wrote:
> On Thu, Nov 03, 2022 at 01:20:16PM -0700, pat2...@gmail.com wrote: > > > This has to be a FAQ, but my google foo for searching it is not clear > > The docs say: " The syntax of patterns is the same as in path.Match." > > > > The pattern seems to implement only fairly simple search expressions. > > > > I'd like to search for "./*.MP4", but of course to be platform > independant > > I have to search for both upper and lower case "mp4" and "MP4" > > and maybe even allow "Mp4". > > > > This is trivial in most regex, including go's regex > > > > Can I do this with Glob or DirWalk? Or do I need to just > > get the file names and manually apply the regex? > > The latter. > > But please note that I, for one, have not heard of any popular filesystem > on a platform Go runs on which would support regexp matching when > traversing > its entries, and fs.Glob is largely modelled after what Unix shells > implement. > Hence basically if something like fs.Regexp were introduced, it would > anyway > need to walk the hierarchy and apply the supplied regexp to each pathname > it > visits. > > Please also note that using a regexp for what you're after looks like an > overkill to me: a simple > > strings.EqualFold(filepath.Ext(fname), "mp4") > > in the callback function to fs.WalkDir wold convey the intent better, IMO. > > In any case, such a callback function to find a bunch of files matching > their > extensions in a case-insensitive manner would clock at 10-15 lines, I'd > say. > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/678cd07c-0c13-49fe-b5b5-d417351bbaf9n%40googlegroups.com.
