BC: Add output file path argument

README.md

@@ -43,10 +43,10 @@ The command line options are aligned to the standard Conan options.
 
 ```text
 $ cyclonedx-conan --help
-usage: command.py [-h] [-if INSTALL_FOLDER] [-db [DRY_BUILD]] [-b [BUILD]] [-r REMOTE] [-u] [-l LOCKFILE] [--lockfile-out LOCKFILE_OUT]
-                  [-e ENV_HOST] [-e:b ENV_BUILD] [-e:h ENV_HOST] [-o OPTIONS_HOST] [-o:b OPTIONS_BUILD] [-o:h OPTIONS_HOST]
-                  [-pr PROFILE_HOST] [-pr:b PROFILE_BUILD] [-pr:h PROFILE_HOST] [-s SETTINGS_HOST] [-s:b SETTINGS_BUILD]
-                  [-s:h SETTINGS_HOST] [-c CONF_HOST] [-c:b CONF_BUILD] [-c:h CONF_HOST]
+usage: command.py [-h] [-if INSTALL_FOLDER] [-db [DRY_BUILD]] [--output FILE_PATH] [-b [BUILD]] [-r REMOTE] [-u] [-l LOCKFILE]
+                  [--lockfile-out LOCKFILE_OUT] [-e ENV_HOST] [-e:b ENV_BUILD] [-e:h ENV_HOST] [-o OPTIONS_HOST] [-o:b OPTIONS_BUILD]
+                  [-o:h OPTIONS_HOST] [-pr PROFILE_HOST] [-pr:b PROFILE_BUILD] [-pr:h PROFILE_HOST] [-s SETTINGS_HOST]
+                  [-s:b SETTINGS_BUILD] [-s:h SETTINGS_HOST] [-c CONF_HOST] [-c:b CONF_BUILD] [-c:h CONF_HOST]
                   path_or_reference
 
 CycloneDX SBOM Generator
@@ -63,6 +63,8 @@ optional arguments:
                         setting/option it will raise an error.
   -db [DRY_BUILD], --dry-build [DRY_BUILD]
                         Apply the --build argument to output the information, as it would be done by the install command
+  --output FILE_PATH
+                        Output file path for your SBOM (set to '-' to output to STDOUT)
   -b [BUILD], --build [BUILD]
                         Given a build policy, return an ordered list of packages that would be built from sources during the install
                         command

src/command.py

@@ -53,6 +53,11 @@ def get_arg_parser() -> argparse.ArgumentParser:
         dry_build_help = ("Apply the --build argument to output the information, "
                           "as it would be done by the install command")
         parser.add_argument("-db", "--dry-build", action=Extender, nargs="?", help=dry_build_help)
+        output_help='Output file path for your SBOM (set to \'-\' to output to STDOUT)'
+        parser.add_argument(
+            '--output', action='store', metavar='FILE_PATH', default="-", required=False,
+            help=output_help, dest='output_file'
+        )
         build_help = ("Given a build policy, return an ordered list of packages that would be built"
                       " from sources during the install command")
 
@@ -144,8 +149,12 @@ def execute(self):
                     dependencies['dependsOn'].append(str(dep_purl))
                 bom['dependencies'].append(dependencies)
 
-        print(json.dumps(bom, indent=2))
-
+        output = json.dumps(bom, indent=2)
+        if self._arguments.output_file == '-' or not self._arguments.output_file:
+            print(output)
+        else:
+            with open(self._arguments.output_file, "w") as file:
+                file.write(output)
 
 def get_purl(remote, ref):
     qualifiers = {