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Html output with awk/sendmail

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# 1  
Old 05-28-2019
Html output with awk/sendmail
Hello All,

I inherited maintenance of a script that uses awk on an input file (space delimited) and formats it into an html table and send out using sendmail. I know how to manipulate the print statements to add columns and rows, however that is the extent of my html knowlege. I've searched for potential solutions and haven't really found anything i could translate into applying to the logic in the script i have.


Here is the specific portion of the script that gener
Code:
ates the html table:


       awk ' BEGIN {
       print "From: <user@there.com> <Canary/Shorten Team: Morning Checkout>"
       print "To: <user@here.com>"
       print "MIME-Version: 1.0"
       print "Content-Type: text/html"
       print "Subject: ** Canary/Shorten TEST ENV Morning Checkout **"
       print "<html><body><table border=2 cellspacing=1 cellpadding=5 color=black>"
       print "<tr>"
       print "<font size="2" face="Calibri" color="blue">"
       print "<td> </td>";
       print "<td> </td>";
       print "<td> </td>";
       print "<td> </td>";
       print "</p>"
       print "</font>"
       print "</tr>"
       } {
          print "<tr>"
          print "<font size="2" face="Calibri" color="blue">"
          print "<td>"$1"</td>";
          print "<td>"$2"</td>";
          print "<td>"$3"</td>";
          print "<td>"$4"</td>";
          print "</tr>"
         } END {
                print "</table></body></html>"
               } ' ${mail_out} | /usr/sbin/sendmail -t


Example of input file.
Code:
ElasticSearch RED ACTIVE_SHARDS:174/174 ACTIVE_NODES:4/4
<url1> GREEN  

<url2> RED  


 Canary GREEN
<urlX> GREEN
<urlY> GREEN

What i'm trying to do is 3 fold.
  • 1. Change the subject so that if a variable in the code called OVERALL_STATUS is = RED, the subject would say:
    • ** Canary/Shorten TEST ENV Morning Checkout - RED **
    • If the variable OVERALL_STATUS is = GREEN then the subject would say:
    • ** Canary/Shorten TEST ENV Morning Checkout - GREEN **
  • 2. If the 2nd field in the file has the text "GREEN", then change the font color to green. If the 2nd field in the file has text "RED", then change the font color to red.

  • 3. Remove the column headers as we no longer use column headers for this script. I couldn't figure out how to remove them without breaking the logic. So it just prints 4 blank cells at top of table.


I have tried playing around with color just to see if i can change the background by using

Code:
   <td        bgcolor="#FF0000">$2</td>
and 

<td        bgcolor="green">$2</td>

And the color in the email received is not changed.


Any guidance would be greatly appreciated
# 2  
Old 05-28-2019
You should write the document in HTML and CSS first and get it working first.

Then after you get it working, then create a AWK script to create the document.

From your post, it seems the issue it not AWK, but CSS.
# 3  
Old 05-29-2019
While i appreciate the reply, as i eluded to in original post...i'm not that good with html and even less with CSS.
# 4  
Old 05-29-2019
Well, as I mentioned in my earlier post you should get an HTML page with proper CSS working before you try to compose that page with AWK.

Anyone can easily learn and should learn basic HTML and CSS.

Spend a day and learn the basics.
# 5  
Old 05-29-2019
You may want to see how far this gets you:
Code:
awk '
BEGIN   {#print "From: <user@there.com> <Canary/Shorten Team: Morning Checkout>"
         #print "To: <user@here.com>"
         #print "MIME-Version: 1.0"
         #print "Content-Type: text/html"
         #print "Subject: ** Canary/Shorten TEST ENV Morning Checkout **"
         print "<html><body><table border=2 cellspacing=1 cellpadding=5 color=black>"
         print "<tr>"
         print "<font size=\"2\" face=\"Calibri\" color=\"blue\">"
         print "</font>"
         print "</tr>"
        }
NF      {print "<tr>"
         print "<td><font color=\"" $2 "\">"$1"</font></td>";
         print "<td><font color=\"" $2 "\">"$2"</font></td>";
         print "<td><font color=\"" $2 "\">"$3"</font></td>";
         print "<td><font color=\"" $2 "\">"$4"</font></td>";
         print "</tr>"
        }
END     {print "</table></body></html>"
        } 
' file

But, be aware that (as has already been said) (quoted from font tag )
Quote:
The <font> tag is not supported in HTML5. Use CSS instead.
These 2 Users Gave Thanks to RudiC For This Post:
Big-J Neo
# 6  
Old 05-29-2019
Thank you RudiC! Got all 3 of my concerns fixed. Figured out the subject and header removal, rookie mistakes on my part. Your piece got the color changing i was looking for!!
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