diff options
| -rw-r--r-- | src/openscad.cc | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/src/openscad.cc b/src/openscad.cc index b815ead..7a7d077 100644 --- a/src/openscad.cc +++ b/src/openscad.cc @@ -281,19 +281,20 @@ int cmdline(optional<string> action, optional<string> output_file, // Set action and output filename; both are optional if (!action && (!output_file || (*output_file == "-"))) - action = "stl"; + action = "stl"; if (!action) { - // Guess action from filename suffix - action = boosty::extension_str(*output_file); - boost::algorithm::to_lower(*action); - action = action->substr(1); // remove leading dot - if (!actions.count(*action)) { - PRINTB("Unknown suffix for output file %s\n", output_file); - return 1; - } + // Guess action from filename suffix + action = boosty::extension_str(*output_file); + boost::algorithm::to_lower(*action); + if (action->length() > 0) + action = action->substr(1); // remove leading dot + if (!actions.count(*action)) { + PRINTB("Unknown suffix for output file %s\n", *output_file); + return 1; + } } if (!output_file) - output_file = filename + "." + *action; + output_file = filename + "." + *action; // Open output stream. If it refers to a file, use a temporary // file first. Filename "-" refers to standard output |