Merge pull request #1754 from ramox81/codex/attach-command-line

ATTACH: FILEDIA, -ATTACH command line and reference file types

# Conflicts:
#	src/app/settings.rs
#	src/app/update/file.rs

src/app/commands/styleprops.rs

@@ -1213,6 +1213,7 @@ impl OpenCADStudio {
                     | "DGNOSNAP"
                     | "UOSNAP"
                     | "FIELDDISPLAY"
+                    | "FILEDIA"
                     | "SURFACEASSOCIATIVITY"
                     | "UCSORTHO"
                     | "UCSVIEW"
@@ -1602,6 +1603,35 @@ impl OpenCADStudio {
                         }
                         return Some(self.finish_dispatch(cmd));
                     }
+                    if name == "FILEDIA" {
+                        let current = i16::from(crate::sys::file_dia());
+                        match value
+                            .as_deref()
+                            .map(|v| v.trim().parse::<i16>().ok().filter(|v| (0..=1).contains(v)))
+                        {
+                            Some(Some(mode)) => {
+                                if current != mode {
+                                    crate::sys::set_file_dia(mode == 1);
+                                    self.save_config();
+                                }
+                            }
+                            Some(None) => {
+                                self.command_line
+                                    .push_error(crate::t!("Requires 0 or 1 only.").as_ref());
+                                self.command_line.push_output(&format!(
+                                    "Enter new value for FILEDIA <{current}>:"
+                                ));
+                                self.pending_setvar = Some(name.clone());
+                            }
+                            None => {
+                                self.command_line.push_output(&format!(
+                                    "Enter new value for FILEDIA <{current}>:"
+                                ));
+                                self.pending_setvar = Some(name.clone());
+                            }
+                        }
+                        return Some(self.finish_dispatch(cmd));
+                    }
                     if matches!(
                         name.as_str(),
                         "PDFOSNAP" | "DWFOSNAP" | "DGNOSNAP" | "UOSNAP"