And after getting used to mixing readline and glob behavior inside <...> , you'll probably find it more irritating that glob is also used to generate recombinations of strings without reading the file system

If non-empty braces are the only wildcard characters used in the glob, no filenames are matched, but potentially many strings are returned. For example, this produces nine strings, one for each pairing of fruits and colors:

my @many = glob "{apple,tomato,cherry}={green,yellow,red}";

Reason is, Perl started as shell° scripting on steroids, it had to compete with similar glob mechanisms there.

(I'm using this feature often, but am still irritated)

°) well <{ba,k,c,}sh> scripting if you want ;)