[merge] --input-file

Lib/fontTools/merge/__init__.py

@@ -183,10 +183,13 @@ def main(args=None):
     options = Options()
     args = options.parse_opts(args)
     fontfiles = []
+    if options.input_file:
+        with open(options.input_file) as inputfile:
+            fontfiles = [line.strip() for line in inputfile.readlines() if not line.lstrip().startswith("#")]
     for g in args:
         fontfiles.append(g)
-
-    if len(args) < 1:
+    
+    if len(fontfiles) < 1:
         print("usage: pyftmerge font... [--output-file=merged.ttf]", file=sys.stderr)
         return 1
 

Lib/fontTools/merge/options.py

@@ -11,6 +11,7 @@ class Options(object):
         self.verbose = False
         self.timing = False
         self.drop_tables = []
+        self.input_file = None
         self.output_file = "merged.ttf"
 
         self.set(**kwargs)