End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

File::Stat#chardev?

stat.chardev? → true or false

static VALUE
rb_stat_c(VALUE obj)
{
    if (S_ISCHR(get_stat(obj)->st_mode)) return Qtrue;

    return Qfalse;
}

Returns true if the file is a character device, false if it isn’t or if the operating system doesn’t support this feature.

Example

File.stat("/dev/tty").chardev?   #=> true

See also #blocks #ctime #blockdev? #dev also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1