Use subprocess to call stty size when COLUMNS is not set

diff --git a/youtube-dl b/youtube-dl
index 1ae68b2..32bd99e 100755 (executable)
--- a/youtube-dl
+++ b/youtube-dl
@@ -2996,11 +2996,12 @@ def parseOpts():
                if columns:
                        return int(columns)
 
-               # TODO: Breaks on phihag's system
-               #if sys.platform.startswith('linux'):
-               #       try:
-               #               return os.popen('stty size', 'r').read().split()[1]
-               #       except: pass
+               try:
+                       sp = subprocess.Popen(['stty', 'size'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+                       out,err = sp.communicate()
+                       return out.split()[1]
+               except:
+                       pass
                return None
 
        max_width = 80