1 files changed, 17 insertions, 0 deletions
diff --git a/tagit/utils/shared.py b/tagit/utils/shared.py
index 82fe672..0d496ed 100644
--- a/tagit/utils/shared.py
+++ b/tagit/utils/shared.py
@@ -10,14 +10,17 @@ from collections import namedtuple
 import logging
 import os
 import pkgutil
+import platform
 import re
 import typing
+import warnings
 
 # exports
 __all__: typing.Sequence[str] = (
     'Resolution',
     'Struct',
     'clamp',
+    'fileopen',
     'flatten',
     'fst',
     'import_all',
@@ -123,4 +126,18 @@ def is_hex(string):
     except TypeError:
         return False
 
+def fileopen(pth):
+    """Open a file in the preferred application as a subprocess.
+    This operation is platform dependent.
+    """
+    try:
+        binopen = {
+            "Linux"     : "xdg-open",   # Linux
+            "darwin"    : "open",       # MAX OS X
+            "Windows"   : "start",      # Windows
+            }.get(platform.system())
+        subprocess.call((binopen, pth))
+    except KeyError:
+        warnings.warn('Unknown platform {}'.format(platform.system()))
+
 ## EOF ##