Darshana,
Along the lines of Frank's suggestion, how about the following:
In your AL that does the looping:
Set Fields, SQL: SELECT CONTACT_EMAIL FROM [EMAIL PROTECTED]
WHERE CONTACT_ID = '$Col_C_ContactID$'
MTNNS_primary_client_contact_email =
REPLACE($MTNNS_primary_client_contact_email$, LOWER($1$),"") + "," +
LOWER($1$)
This will replace the email address with a null if its there (it does
nothing if its not) and then adds it to the end. The LOWER() is just
there in case your email addresses have mixed cases. You can use $1$
without storing it in a temp field ("Email" in your example), unless you
need it for some other purpose. It also gets rid of the $Val1$ and $Val2$
temp fields.
Then, once your loop is complete, do one more set fields to clean up any
duplicate commas:
MTNNS_primary_client_contact_email =
REPLACE($MTNNS_primary_client_contact_email$, ",,",",")
Oh, and unless you are handling it somewhere else, your code will cause
the list to start with a comma (so will the above). You'll want to clip
that off:
MTNNS_primary_client_contact_email =
SUBSTR($MTNNS_primary_client_contact_email$, 1)
(substrings are zero-indexed, so starting at 1 skips the first char, which
we know is a comma, and without the third parameter it'll return the rest
of the string)
For that matter, combine the last two set fields into one:
MTNNS_primary_client_contact_email =
SUBSTR(REPLACE($MTNNS_primary_client_contact_email$, ",,",",") , 1)
I hope that helps.
Thad Esser
Remedy Developer
"Argue for your limitations, and sure enough, they're yours."-- Richard
Bach
"Darshana Jivan [MTN Network Solutions]" <[EMAIL PROTECTED]>
Sent by: "Action Request System discussion list(ARSList)"
<[email protected]>
03/07/2008 06:34 AM
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Subject
Remove duplicate email address from a String
**
Hi,
Please can someone assist me with the following.
I want to remove duplicate email addresses in a string. I cannot create a
view with the distinct values as I need the unique id?s of the record
therefore the only option I do have is to try and remove duplicate
occurrences after the 1st occurrence of an email address.
This is the following process that I am using but I know that the last set
fields with the replace function is not doing what I require it to do and
there is where I need some assistance.
I have a AL that fetches and email address and concatenates it to a string
in a loop.
SQL Command: SELECT CONTACT_EMAIL FROM [EMAIL PROTECTED] WHERE
CONTACT_ID = '$Col_C_ContactID$'
Set Fields 1: Email
$1$
Set Fields 2: MTNNS_primary_client_contact_email
($MTNNS_primary_client_contact_email$ + ",") + $Email$
I then have another AL that does the following when it finds a match of an
email address in the string ?MTNNS_primary_client_contact_email?
Set Fields 1: Val1
STRSTR($MTNNS_primary_client_contact_email$, $Email$)
Set Fields 2: Val2
LENGTH($Email$)
Set Fields 3:
REPLACE($MTNNS_primary_client_contact_email$,
SUBSTR($MTNNS_primary_client_contact_email$, $Val1$, $Val2$), "")
In essence if I have a table with the following email addresses and when
its looped through the string or the value I am looking for is
[EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED] the duplicate
occurrence should be extracted from the string.
[EMAIL PROTECTED]
[EMAIL PROTECTED]
[EMAIL PROTECTED]
[EMAIL PROTECTED]
[EMAIL PROTECTED]
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