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(Tcl) Get IMAP UID from Email Header

Demonstrates how to get the IMAP UID from an email header. After fetching an email or header using IMAP, the UID is contained in the ckx-imap-uid header field.

Chilkat Tcl Extension Downloads

Chilkat Tcl Extension Downloads

load ./chilkat.dll

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

set imap [new_CkImap]

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

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

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

set fetchUids 1
# Get the message UIDs of all the emails in the mailbox
# messageSet is a CkMessageSet
set messageSet [CkImap_Search $imap "ALL" $fetchUids]
if {[CkImap_get_LastMethodSuccess $imap] != 1} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

# bundle is a CkEmailBundle
set bundle [CkImap_FetchHeaders $imap $messageSet]
if {[CkImap_get_LastMethodSuccess $imap] != 1} then {
    delete_CkMessageSet $messageSet

    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

# The UID of each fetched email header is available 
# in the ckx-imap-uid header field.
set i 0
set szBundle [CkEmailBundle_get_MessageCount $bundle]
set msOneMsg [new_CkMessageSet]

while {$i < $szBundle} {
    # email is a CkEmail
    set email [CkEmailBundle_GetEmail $bundle $i]

    # Build a message set containing one UID
    set uidStr [CkEmail_getHeaderField $email "ckx-imap-uid"]
    CkMessageSet_FromCompactString $msOneMsg $uidStr

    # Move this message to some other folder.
    set success [CkImap_MoveMessages $imap $msOneMsg "someOtherFolder"]
    if {$success != 1} then {
        puts [CkImap_lastErrorText $imap]
        # Exit the loop...
        set i $szBundle
    }

    delete_CkEmail $email

    set i [expr $i + 1]
}

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

delete_CkMessageSet $messageSet

delete_CkEmailBundle $bundle


delete_CkImap $imap
delete_CkMessageSet $msOneMsg

 

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