#!/bin/bash
# http://stackoverflow.com/questions/29530441/how-do-you-remove-all-the-lines-between-two-html-tags-using-sed-or-similar
sed '/<HEAD>/,/<\/HEAD>/d' <<':'
<HTML>
<HEAD>
< ... stuff ... ></HEAD>
< ... stuff ... > <!-- keep this -->
</HTML>
:
IyEvYmluL2Jhc2gKIyBodHRwOi8vc3RhY2tvdmVyZmxvdy5jb20vcXVlc3Rpb25zLzI5NTMwNDQxL2hvdy1kby15b3UtcmVtb3ZlLWFsbC10aGUtbGluZXMtYmV0d2Vlbi10d28taHRtbC10YWdzLXVzaW5nLXNlZC1vci1zaW1pbGFyCgpzZWQgJy88SEVBRD4vLC88XC9IRUFEPi9kJyA8PCc6Jwo8SFRNTD4KPEhFQUQ+CjwgLi4uIHN0dWZmIC4uLiA+PC9IRUFEPgo8IC4uLiBzdHVmZiAuLi4gPiA8IS0tIGtlZXAgdGhpcyAtLT4KPC9IVE1MPgo6