docs: add hint about GNU parallel

project-gemmi · Nov 13, 2023 · 0f01b27 · 0f01b27
1 parent adb2e8f
commit 0f01b27
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diff --git a/docs/utils.rst b/docs/utils.rst
@@ -12,6 +12,11 @@ corresponding to a subcommand:
 .. literalinclude:: gemmi-help.txt
    :language: console
 
+Hint. To process multiple files in parallel, in multiple threads,
+use a tool such as `GNU parallel <https://www.gnu.org/software/parallel/>`_::
+
+  $ find $PDB_DIR/structures/divided/mmCIF/ -name '*.cif.gz' | parallel gemmi grep _exptl.method
+
 validate
 ========