diff --git a/doc/changes.rst b/doc/changes.rst
index 93e1ec3c..d191ec0f 100644
--- a/doc/changes.rst
+++ b/doc/changes.rst
@@ -2382,7 +2382,9 @@ Python naming conventions as documented in :pep:`8`.  For example
 corrected with the compliant names being documented and used in
 examples.  The old names are still available maintaining
 :ref:`backwards compatibility <backcompat>`.
+Consider using the script `tools/update-names.sh` for updating
+the names in your code.
 
 The change happened in version 3.43.2.0.
 
-.. include:: ../doc/renames.rstgen
\ No newline at end of file
+.. include:: ../doc/renames.rstgen
diff --git a/tools/update-names.sh b/tools/update-names.sh
new file mode 100644
index 00000000..4ef2e6c5
--- /dev/null
+++ b/tools/update-names.sh
@@ -0,0 +1,57 @@
+#!/bin/sh
+#
+# Update a repository's function names to follow the PEP 8 compliant
+# scheme introduced in APSW version 3.42.2.
+# Run the script in the root directory of the Git repository that
+# requires the update.
+# Before committing the results, inspect them carefully, and test
+# the resulting code.
+#
+# Requires an installed version of git-subst;
+# see https://github.com/dspinellis/git-subst/
+#
+
+set -eu
+
+git subst '\<apswversion\(' 'apsw_version('
+git subst '\<blobopen\(' 'blob_open('
+git subst '\<cacheflush\(' 'cache_flush('
+git subst '\<collationneeded\(' 'collation_needed('
+git subst '\<createaggregatefunction\(' 'create_aggregate_function('
+git subst '\<createcollation\(' 'create_collation('
+git subst '\<createmodule\(' 'create_module('
+git subst '\<createscalarfunction\(' 'create_scalar_function('
+git subst '\<enableloadextension\(' 'enable_load_extension('
+git subst '\<enablesharedcache\(' 'enable_shared_cache('
+git subst '\<exceptionfor\(' 'exception_for('
+git subst '\<exectrace\(' 'exec_trace('
+git subst '\<filecontrol\(' 'file_control('
+git subst '\<getautocommit\(' 'get_autocommit('
+git subst '\<getconnection\(' 'get_connection('
+git subst '\<getdescription\(' 'get_description('
+git subst '\<getexectrace\(' 'get_exec_trace('
+git subst '\<getrowtrace\(' 'get_row_trace('
+git subst '\<loadextension\(' 'load_extension('
+git subst '\<memoryhighwater\(' 'memory_high_water('
+git subst '\<memoryused\(' 'memory_used('
+git subst '\<overloadfunction\(' 'overload_function('
+git subst '\<pagecount\(' 'page_count('
+git subst '\<readinto\(' 'read_into('
+git subst '\<releasememory\(' 'release_memory('
+git subst '\<rowtrace\(' 'row_trace('
+git subst '\<setauthorizer\(' 'set_authorizer('
+git subst '\<setbusyhandler\(' 'set_busy_handler('
+git subst '\<setbusytimeout\(' 'set_busy_timeout('
+git subst '\<setcommithook\(' 'set_commit_hook('
+git subst '\<setexectrace\(' 'set_exec_trace('
+git subst '\<setprofile\(' 'set_profile('
+git subst '\<setprogresshandler\(' 'set_progress_handler('
+git subst '\<setrollbackhook\(' 'set_rollback_hook('
+git subst '\<setrowtrace\(' 'set_row_trace('
+git subst '\<setupdatehook\(' 'set_update_hook('
+git subst '\<setwalhook\(' 'set_wal_hook('
+git subst '\<softheaplimit\(' 'soft_heap_limit('
+git subst '\<sqlite3pointer\(' 'sqlite3_pointer('
+git subst '\<sqlitelibversion\(' 'sqlite_lib_version('
+git subst '\<totalchanges\(' 'total_changes('
+git subst '\<vfsnames\(' 'vfs_names('