- made the 'M2' Gcode command footer optional, default is False (can be set using the TclCommand: set_sys cncjob_footer True)

- added a setting in Preferences to force the GCode output to have the Windows line-endings even for non-Windows OS's

FlatCAMObj.py

@@ -6071,13 +6071,24 @@ class FlatCAMCNCjob(FlatCAMObj, CNCjob):
         self.app.inform.emit('[success] %s...' %
                              _('Loaded Machine Code into Code Editor'))
 
-    def gcode_header(self):
+    def gcode_header(self, comment_start_symbol=None, comment_stop_symbol=None):
+        """
+        Will create a header to be added to all GCode files generated by FlatCAM
+
+        :param comment_start_symbol: a symbol to be used as the first symbol in a comment
+        :param comment_stop_symbol:  a symbol to be used as the last symbol in a comment
+        :return: a string with a GCode header
+        """
+
         log.debug("FlatCAMCNCJob.gcode_header()")
         time_str = "{:%A, %d %B %Y at %H:%M}".format(datetime.now())
         marlin = False
         hpgl = False
         probe_pp = False
 
+        start_comment = comment_start_symbol if comment_start_symbol is not None else '('
+        stop_comment = comment_stop_symbol if comment_stop_symbol is not None else ')'
+
         try:
             for key in self.cnc_tools:
                 ppg = self.cnc_tools[key]['data']['ppname_g']
@@ -6151,17 +6162,17 @@ class FlatCAMCNCjob(FlatCAMObj, CNCjob):
             gcode += '(Units: ' + self.units.upper() + ')\n' + "\n"
             gcode += '(Created on ' + time_str + ')\n' + '\n'
         else:
-            gcode = '(G-CODE GENERATED BY FLATCAM v%s - www.flatcam.org - Version Date: %s)\n' % \
-                    (str(self.app.version), str(self.app.version_date)) + '\n'
+            gcode = '%sG-CODE GENERATED BY FLATCAM v%s - www.flatcam.org - Version Date: %s%s\n' % \
+                    (start_comment, str(self.app.version), str(self.app.version_date), stop_comment) + '\n'
 
-            gcode += '(Name: ' + str(self.options['name']) + ')\n'
-            gcode += '(Type: ' + "G-code from " + str(self.options['type']) + ')\n'
+            gcode += '%sName: ' % start_comment + str(self.options['name']) + '%s\n' % stop_comment
+            gcode += '%sType: ' % start_comment + "G-code from " + str(self.options['type']) + '%s\n' % stop_comment
 
             # if str(p['options']['type']) == 'Excellon' or str(p['options']['type']) == 'Excellon Geometry':
             #     gcode += '(Tools in use: ' + str(p['options']['Tools_in_use']) + ')\n'
 
-            gcode += '(Units: ' + self.units.upper() + ')\n' + "\n"
-            gcode += '(Created on ' + time_str + ')\n' + '\n'
+            gcode += '%sUnits: ' % start_comment + self.units.upper() + '%s\n' % stop_comment + "\n"
+            gcode += '%sCreated on ' % start_comment + time_str + '%s\n' % stop_comment + '\n'
 
         return gcode
 
@@ -6177,6 +6188,15 @@ class FlatCAMCNCjob(FlatCAMObj, CNCjob):
             return 'M02'
 
     def export_gcode(self, filename=None, preamble='', postamble='', to_file=False):
+        """
+        This will save the GCode from the Gcode object to a file on the OS filesystem
+
+        :param filename: filename for the GCode file
+        :param preamble: a custom Gcode block to be added at the beginning of the Gcode file
+        :param postamble: a custom Gcode block to be added at the end of the Gcode file
+        :param to_file: if False then no actual file is saved but the app will know that a file was created
+        :return: None
+        """
         gcode = ''
         roland = False
         hpgl = False
@@ -6241,7 +6261,9 @@ class FlatCAMCNCjob(FlatCAMObj, CNCjob):
                                      _("G-code does not have a units code: either G20 or G21"))
                 return
 
-            g = gcode[:g_idx] + preamble + '\n' + gcode[g_idx:] + postamble + self.gcode_footer()
+            footer = self.app.defaults['cncjob_footer']
+            end_gcode = self.gcode_footer() if footer is True else ''
+            g = gcode[:g_idx] + preamble + '\n' + gcode[g_idx:] + postamble + end_gcode
 
         # if toolchange custom is used, replace M6 code with the code from the Toolchange Custom Text box
         if self.ui.toolchange_cb.get_value() is True:
@@ -6258,15 +6280,20 @@ class FlatCAMCNCjob(FlatCAMObj, CNCjob):
                 self.app.inform.emit('[success] %s' %
                                      _("Toolchange G-code was replaced by a custom code."))
 
-        # lines = StringIO(self.gcode)
         lines = StringIO(g)
 
         # Write
         if filename is not None:
             try:
-                with open(filename, 'w') as f:
-                    for line in lines:
-                        f.write(line)
+                force_windows_line_endings = self.app.defaults['cncjob_line_ending']
+                if force_windows_line_endings and sys.platform != 'win32':
+                    with open(filename, 'w', newline='\r\n') as f:
+                        for line in lines:
+                            f.write(line)
+                else:
+                    with open(filename, 'w') as f:
+                        for line in lines:
+                            f.write(line)
             except FileNotFoundError:
                 self.app.inform.emit('[WARNING_NOTCL] %s' %
                                      _("No such file or directory"))