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Tcl Examples

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(Tcl) Process New Email by Scanning for Senders

Scan email and save application-selected emails to EML files with unique filenames.

Chilkat Tcl Extension Downloads

Chilkat Tcl Extension Downloads

load ./chilkat.dll

set imap [new_CkImap]

#  Anything unlocks the component and begins a fully-functional 30-day trial.
set success [CkImap_UnlockComponent $imap "Anything for 30-day trial"]
if {[expr $success != 1]} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

#  Connect to an IMAP server.
#  Use TLS
CkImap_put_Ssl $imap 1
CkImap_put_Port $imap 993
set success [CkImap_Connect $imap "imap.someMailServer.com"]
if {[expr $success != 1]} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

#  Login
set success [CkImap_Login $imap "myLogin" "myPassword"]
if {[expr $success != 1]} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

#  Select an IMAP mailbox
set success [CkImap_SelectMailbox $imap "Inbox"]
if {[expr $success != 1]} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

# messageSet is a CkMessageSet

#  We can choose to fetch UIDs or sequence numbers.
set fetchUids 1

#  Fetch messages from the mailbox using a search criteria.
#  This example finds NEW emails: these are emails that have the RECENT flag set, but not the SEEN flag:
set messageSet [CkImap_Search $imap "NEW" $fetchUids]
if {[string equal $messageSet "NULL"]} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

#  This example will download headers, and then download
#  the full email for those emails sent from a contact
#  in our database.

#  When downloading headers, each email object contains
#  (obviously) the headers, but the body will be missing.
#  Also, attachments will not be included.  However, it is
#  possible to get information about the attachments
#  as well as the complete size of the email.
# bundle is a CkEmailBundle

set bundle [CkImap_FetchHeaders $imap $messageSet]
if {[string equal $bundle "NULL"]} then {
    delete_CkMessageSet $messageSet

    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

#  Loop over the email objects...

for {set i 0} {$i <= [expr [CkEmailBundle_get_MessageCount $bundle] - 1]} {incr i} {
    # email is a CkEmail

    set email [CkEmailBundle_GetEmail $bundle $i]

    #  The sender's email address and name are available
    #  in the From, FromAddress, and FromName properties.
    #  If the sender is "Chilkat Support <support@chilkatsoft.com",
    #  then the From property will hold the entire string.
    #  the FromName property contains"Chilkat Support",
    #  and the FromAddress property contains "support@chilkatsoft.com";
    puts [CkEmail_from $email]
    puts [CkEmail_fromAddress $email]
    puts [CkEmail_fromName $email]

    #  Assume at this point your code checks to see if the sender
    #  is one in your contacts database.  If so, this is
    #  the code you would write to download the entire
    #  email and save it to a file.

    #  The ckx-imap-uid header field is added when
    #  headers are downloaded.  This makes it possible
    #  to get the UID from the email object.
    set uidStr [CkEmail_getHeaderField $email "ckx-imap-uid"]
    set uid $uidStr

    # fullEmail is a CkEmail

    set fullEmail [CkImap_FetchSingle $imap $uid 1]
    if {![string equal $fullEmail "NULL"]} then {
        #  You may use the GenerateFilename method to
        #  generate a unique filename...

        set filename [CkEmail_generateFilename $fullEmail]

        #  SaveEml saves the entire email, including attachments.
        set success [CkEmail_SaveEml $fullEmail $filename]
        delete_CkEmail $fullEmail

    }

    puts "--"
    delete_CkEmail $email

}

#  Disconnect from the IMAP server.
set success [CkImap_Disconnect $imap]

delete_CkMessageSet $messageSet

delete_CkEmailBundle $bundle


delete_CkImap $imap

 

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