Programming-Idioms

p.TrimEnd(Path.DirectorySeparatorChar);

p = p.chomp(dirSeparator);

if (p.endsWith(path.separator)) p = p.substring(0, p.length - 1);

sep := fmt.Sprintf("%c", filepath.Separator)
p = strings.TrimSuffix(p, sep)

sep := fmt.Sprintf("%c", os.PathSeparator)
p = strings.TrimSuffix(p, sep)

p' = dropWhileEnd (== pathSeparator) p

p = p.endsWith(path.sep) ? p.slice(0, -path.sep.length) : p

int n = p.length() - 1;
while (n != 0 && p.charAt(n) == separatorChar)
    p = p.substring(0, n--);

if string.sub(p, -1, -1) == "/" then
	p=string.sub(p, 1, -2)
end

begin
  p := ChompPathDelim(p);
end.

begin
  p := ExcludeTrailingPathDelimiter(p);
end.

chomp $p, File::Spec->catdir('');

if p.endswith(os.sep):
    p = p[:-1]

p.chomp!("/")

p = p.strip_suffix(std::path::is_separator).unwrap_or(p);

let p = if ::std::path::is_separator(p.chars().last().unwrap()) {
    &p[0..p.len()-1]
} else {
    p
};