Maintenance Ruby 3.3 gets fixes, but no new features. Switch to Ruby 4.0 →
instance method
FileTest#symlink?
File.symlink?(filepath) → true or false
file.c
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static VALUE
rb_file_symlink_p(VALUE obj, VALUE fname)
{
#ifndef S_ISLNK
# ifdef _S_ISLNK
# define S_ISLNK(m) _S_ISLNK(m)
# else
# ifdef _S_IFLNK
# define S_ISLNK(m) (((m) & S_IFMT) == _S_IFLNK)
# else
# ifdef S_IFLNK
# define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
# endif
# endif
# endif
#endif
#ifdef S_ISLNK
struct stat st;
FilePathValue(fname);
fname = rb_str_encode_ospath(fname);
if (lstat_without_gvl(StringValueCStr(fname), &st) < 0) return Qfalse;
if (S_ISLNK(st.st_mode)) return Qtrue;
#endif
return Qfalse;
}
Returns true if filepath points to a symbolic link, false otherwise:
Example
symlink = File.symlink('t.txt', 'symlink') File.symlink?('symlink') # => true File.symlink?('t.txt') # => false
See also
#sticky?
#world_readable?
#socket?
#world_writable?
also in
4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0