~/Documents $ awk '{print $0; if ($1 == "<table>") {print "found it"; exit;}}'  sccs.txt
<H1><a name="Screen Keyboard Shortcuts">Screen Keyboard Shortcuts</a></H1> 
<a href="#Screen Keyboard Shortcuts">Screen Keyboard Shortcuts</a> &nbsp; 
<table> 
found it
~/Documents $ ht sccs.txt
swx=0<H1><a name="Screen Keyboard Shortcuts">Screen Keyboard Shortcuts</a></H1> 
swx=0<a href="#Screen Keyboard Shortcuts">Screen Keyboard Shortcuts</a> &nbsp; 
swx=0<table> 
swx=0Shortcut   Command Description
swx=0^a '       select  Prompt for a window name or number to switch to.
swx=0^a "       windowlist -b   Present a list of all windows for selection.
swx=0^a 0...9   select 0...9    Switch to window number 0...9.

#!/bin/bash
# Creates an html table from each <table>\n ... \n</table> in the document
# In your text, each cell is separated from the next by a single <Tab> character
# There must be the same number of cells in each line of that table
# The end of a table Row must be indicated by an empty line in the text
# meaning that multiple lines of text may be integrated into the same table Row
# Run with ht /file/path, ofilename is ifilename.html
#
awk 'BEGIN {FS = "\t"; OFS = ""; swx = 0}
function prrow(dol, j, b, nb) 
{
  lin = "<tr>"; for (i = 1; i < j; i++) {lin = lin b dol[i] nb}
  delete dol; print lin "</tr>"
}
{
if ($0 == "") {prrow(dol, j, b, nb); b = "<td>"; swy = 1; nb = "</td>"; next}
if ($1 == "<table>") {print "found it"; exit}
if ($1 == "<table>") {b = "<td><b>"; nb = "</b></td>"; swx = 1; print $0; next}
if ($1 == "</table>") {swx = 0; if (swy != 1) {prrow(dol, j, b, nb)}; print $0; next}
if (swx == 0) {print "swx=", swx, $0; next}
for (j = 1; j<= NF; j++) {dol[j] = dol[j] $j "<br>"}
swy = 0
}
' < $1 #> $1'.html'