- <td>Run Jalview in headless (/ or not in headless) mode. In headless mode, no GUI interface will be created and Jalview will quit after all arguments have been processed.
+ <td><code>‑‑headless</code></td>
+ <td>Run Jalview in headless mode. In headless mode, no GUI interface will be created and Jalview will quit after all arguments have been processed.
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- If you use a command line argument to specify an output file of some kind (<code>--output</code>, <code>--image</code> or <code>--structureimage</code>) then <strong>headless mode will be assumed</strong>. If you don't want this behaviour use <code>--noheadless</code> or <code>--gui</code>.
+ If you use a command line argument to specify an output file of some kind (<code>--output</code>, <code>--image</code> or <code>--structureimage</code>) then <strong>headless mode will be assumed</strong>. If you don't want this behaviour use <code>--gui</code>.
+ To output directly to STDOUT (console output) use the filename <code>-</code> (a single hyphen). In this case all STDOUT messages will instead go to STDERR. If no <code>format</code> is supplied then Fasta will be assumed.