use `file` for reliably identifying text files

2 files changed, 15 insertions, 1 deletions

diff --git a/ranger/defaults/apps.py b/ranger/defaults/apps.py
index 7e522df9..01f11f24 100644
--- a/ranger/defaults/apps.py
+++ b/ranger/defaults/apps.py
@@ -80,9 +80,12 @@ class CustomApplications(Applications):
 		if f.image:
 			return self.either(c, 'feh', 'eye_of_gnome', 'mirage')
 
-		if f.document:
+		if f.document or f.filetype.startswith('text'):
 			return self.app_editor(c)
 
+		raise Exception(f.filetype)
+
+
 	# ----------------------------------------- application definitions
 	def app_pager(self, c):
 		return tup('less', *c)
diff --git a/ranger/fsobject/fsobject.py b/ranger/fsobject/fsobject.py
index 80ce1e48..8ad6d489 100644
--- a/ranger/fsobject/fsobject.py
+++ b/ranger/fsobject/fsobject.py
@@ -30,6 +30,7 @@ class FileSystemObject(MimeTypeAware, FileManagerAware):
 	basename = None
 	basename_lower = None
 	_shell_escaped_basename = None
+	_filetype = None
 	dirname = None
 	extension = None
 	exists = False
@@ -86,6 +87,16 @@ class FileSystemObject(MimeTypeAware, FileManagerAware):
 			self._shell_escaped_basename = shell_escape(self.basename)
 		return self._shell_escaped_basename
 
+	@property
+	def filetype(self):
+		if self._filetype is None:
+			import subprocess
+			got = subprocess.Popen(["file", '-Lb', '--mime-type', self.path],\
+					stdout=subprocess.PIPE) \
+					.communicate()[0]
+			self._filetype = got
+		return self._filetype
+
 	def get_description(self):
 		return "Loading " + str(self)