diff options
Diffstat (limited to 'ranger/fsobject/file.py')
| -rw-r--r-- | ranger/fsobject/file.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/ranger/fsobject/file.py b/ranger/fsobject/file.py index 86621095..15bfc18b 100644 --- a/ranger/fsobject/file.py +++ b/ranger/fsobject/file.py @@ -13,6 +13,31 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. +control_characters = set(chr(n) for n in set(range(0, 9)) | set(range(14,32))) + from .fsobject import FileSystemObject as SuperClass class File(SuperClass): is_file = True + + @property + def first4bytes(self): + try: + return self._first4bytes + except: + try: + f = open(self.path, 'r') + self._first4bytes = f.read(4) + f.close() + return self._first4bytes + except: + pass + + def is_binary(self): + if not self.first4bytes: + return + if self.first4bytes == "\x7F\x45\x4C\x46": + return True + if control_characters & set(self.first4bytes): + return True + return False + |