pgsql2shp(1) on Linux
The text bc4485fe621a, as Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
postgis to shapefile dumper
Flags it lists
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-? -
-P -
-b -
-d -
-f -
-h -
-k -
-p -
-r -
-u