Fixes #39: Added option to removed repeated blank lines.

Also a crude version display using `pip show`

Author: dietmarw

README.md

@@ -58,6 +58,9 @@ This will install (and update) *ttws* and also all its dependencies.
         -h, --help
             displays this help message
 
+        -v, --version
+                displays version information
+
         -s, --strip
             strips leading or trailing white spaces from info or
                 revision strings that contain HTML documentation
@@ -78,6 +81,9 @@ This will install (and update) *ttws* and also all its dependencies.
             Only use this if your code is under version control
             and in combination with a careful code-diff review.
 
+        -b, --blanks
+            suppress repeated empty output lines from *.mo files
+            (This option should not be run in combination with others.)
 
 ## License
 See [UNLICENSE](UNLICENSE) file

setup.py

@@ -24,7 +24,7 @@
 META = {
     'name': 'ttws',
     'url': 'https://github.com/dietmarw/trimtrailingwhitespaces',
-    'version': '0.7.0',
+    'version': '0.8.0',
     'description': 'Script to remove trailing whitespaces from textfiles.',
     'classifiers': CLASSIFIERS,
     'license': 'UNLICENSE',

test/tests.mo

@@ -44,4 +44,3 @@ annotation (Diagram(coordinateSystem(extent={{-100,-100},{100,100}},
 
 end LargeModel;
 
-

ttws/cli.py

@@ -16,8 +16,8 @@ def main(args=None):
 
     # Look for optional arguments:
     try:
-        opts, dirnames = getopt.getopt(args, "hsc", ["help","strip","clean",
-                                                     "eol="])
+        opts, dirnames = getopt.getopt(args, "hvsbc", ["help","version","strip","blanks","clean",
+                                                      "eol="])
     # If unknown option is given trigger the display message:
     except getopt.GetoptError:
         unknownOption(args)
@@ -35,8 +35,14 @@ def main(args=None):
         if opt in ("-h","--help"):
             usage(args)
             sys.exit(0)
+        elif opt in ("-v","--version"):
+            os.system('pip show ttws')
+            sys.exit(0)
         elif opt in ("-c","--clean"):
             cleanOpt = True
+        elif opt in ("-b","--blanks"):
+            os.system('for fn in `find -name "*.mo"`; do cat -s $fn >$fn.1; mv $fn.1 $fn; done')
+            sys.exit(0)
         elif opt in ("-s","--strip"):
             stripOpt = True
         elif opt in ("--eol"):
@@ -78,16 +84,15 @@ def main(args=None):
                     else:
                         print("skipping file of type %s: %s" % (filetype, filepath))
 
-
 def usage(script_name):
     """Help message on usage."""
     message = """
         Usage: ttws [OPTIONS] <directory> [<directory> ...]
 
-         This script will recursively scan all text files in a given list of 
-         directories and remove all trailing white space in every line as well 
-         as multiple blank lines at the end of the file. Binary files and files 
-         residing in '.bzr', '.cvs', '.git', '.hg', '.svn' directories are 
+         This script will recursively scan all text files in a given list of
+         directories and remove all trailing white space in every line as well
+         as multiple blank lines at the end of the file. Binary files and files
+         residing in '.bzr', '.cvs', '.git', '.hg', '.svn' directories are
          skipped.
 
          Since the main application is for Modelica projects it expects all files
@@ -103,6 +108,9 @@ def usage(script_name):
             -h, --help
                 displays this help message
 
+            -v, --version
+                displays version information
+
             -s, --strip
                 strips leading or trailing white spaces from info or
                 revision strings that contain HTML documentation
@@ -124,9 +132,12 @@ def usage(script_name):
                 Only use this if your code is under version control
                 and in combination with a careful code-diff review.
 
+            -b, --blanks
+                suppress repeated empty output lines from *.mo files
+                (This option should not be run in combination with others.)
+
         """ % (extstring, repr(os.linesep))
     print(textwrap.dedent(message))
 
-
 if __name__ == "__main__":
     sys.exit(main())