lwp-request(1p) on Linux
The text 349e2eeaa86e, as Debian 8 (Jessie) shipped it.
Simple command line user agent
Flags it lists
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-C -
-E -
-H -
-P -
-S -
-U -
-a -
-b -
-c -
-d -
-e -
-f -
-h -
-i -
-m -
-o -
-p -
-s -
-t -
-u -
-v