w3m auto mark url script

treat_as_url.cgi

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+#!/bin/bash
+# by: hola mundo (https://www.youtube.com/channel/UCK9HlJ89BzNYzf7VwwMnv1w)
+# reference: http://w3m.sourceforge.net/MANUAL#LocalCGI
+# video demo by gotbletu: https://www.youtube.com/watch?v=0Xhvd8ISO8g
+# description: make w3m treat all plain text urls as real clickable urls (aka auto mark url)
+# note: this script has to be located in the root path /usr/lib/w3m/cgi-bin/treat_as_url.cgi
+# install:
+#           chmod +x treat_as_url.cgi 
+#           sudo cp treat_as_url.cgi /usr/lib/w3m/cgi-bin
+#
+# newsboat:
+#           vim ~/.newsboat/config
+#             pager "w3m /usr/lib/w3m/cgi-bin/treat_as_url.cgi %f"
+#
+# w3m auto mark url in regular files:
+#           w3m /usr/lib/w3m/cgi-bin/treat_as_url.cgi filename.txt
+#
+# w3m auto mark url from websites:
+#           w3m /usr/lib/w3m/cgi-bin/treat_as_url.cgi <url>
+#
+# alias for ~/.bashrc or ~/.zshrc:
+# if [ -f "/usr/lib/w3m/cgi-bin/treat_as_url.cgi" ] ; then
+#     alias w3m="w3m /usr/lib/w3m/cgi-bin/treat_as_url.cgi"
+# fi
+
+printf "%s\r\n" "W3m-control: PREV";
+printf "%s\r\n" "W3m-control: MARK_URL"
+