use Ruamel's YAML library and add command-line flags, and more

.gitattributes

@@ -0,0 +1,4 @@
+*	text=auto
+*.sh	text eol=lf
+*.pl	text eol=lf
+*.py*	text eol=lf

bin/yamlreader

@@ -0,0 +1,13 @@
+#!/usr/bin/python3
+
+import re
+import sys
+import os
+
+sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+from yamlreader import parse_cmdline, __main
+
+if __name__ == '__main__':
+    (opts, args) = parse_cmdline()
+    sys.exit(__main(opts, args))
+

build.py

@@ -13,7 +13,7 @@
 summary = 'Merge YAML data from given files, dir or file glob'
 authors = [Author('Schlomo Schapiro', "schlomo.schapiro@immobilienscout24.de")]
 url = 'https://github.com/ImmobilienScout24/yamlreader'
-version = '3.0.4'
+version = '3.1.0'
 description = open("README.rst").read()
 license = 'Apache License 2.0'
 
@@ -22,10 +22,10 @@
 
 @init
 def set_properties(project):
-    project.depends_on("PyYAML")
+    project.depends_on("ruamel.yaml")
     project.depends_on("six")
 
-    project.set_property('distutils_console_scripts', ['yamlreader=yamlreader.yamlreader:__main'])
+    project.set_property('distutils_console_scripts', ['yamlreader=yamlreader:__main__'])
 
     project.set_property("distutils_classifiers", [
         "Programming Language :: Python",