Aestiva H2O Web Site

Installation:
  Free Downloads
  The H2O Family
  Install Notes

Programming:
  Prerequisites
  H2O Whitepaper
  Online Manual
  Code Examples
  H2O Free Support

What's H2O?
H2O is programming made for the web.

What's it like?
H2O is English-like. If you know some Perl, VB, ASP, or PhP you'll be immediately productive in H2O. It runs on Linux, Mac, Unix, and Windows.

How do I try it?
Download H2O for free. Get it from hosting providers. Or buy on-line.

Where does H2O come from?
The language was invented by Aestiva. H2O stands for:
   HTML with
   HTML/OS
   Overlays.

CSV File Editor

csv_add.html


<<

   csv_file="edit_csv.txt"                          # data file     /#
   csv_x=5                                          # no of columns /#
   csv_y=5                                          # no of rows    /#
   csv_w=10                                         # cell width    /#
   COPY FILE=csv_file TS="," TO csv.array /COPY     # load data     /#
>>
<html>
<title>Simple Spreadsheet Editor</title>
<form method=post action=do_csv>
<center>
<table border=1 cellpadding=3 cellspacing=0>
<tr><td align=right bgcolor=#0000FF>

<input type=submit name=mySave value="Save">
<input type=submit name=myLoad value="Load">
</td></tr>
<tr><td>
<table border=0 cellpadding=0 cellspacing=0>

<<
y=1
WHILE y <= csv_y DO
  DISPLAY "<tr>" /DISPLAY
  x=1
  WHILE x <= csv_x DO
    DISPLAY "<td><input type=text size="+csv_w+" "+
          "name=csv_array["+x+","+y+"]></td>" 
    /DISPLAY
    x=x+1
  /WHILE
  DISPLAY "</tr>" /DISPLAY
  y=y+1
/WHILE   
>>
</form>
</table>

</td></tr></table>
</html>
<<OVERLAY do_csv
  IF htmlos.clicked="mySave" THEN
    COPY csv_array TO FILE=csv_file TS="," /COPY
  /IF
  GOTO PAGE
>>