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Ruby Examples

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(Ruby) Process New Email by Scanning for Senders

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

Chilkat Ruby Downloads

Ruby Library for Linux and MAC OS X

require 'chilkat'

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

imap = Chilkat::CkImap.new()

# Connect to an IMAP server.
# Use TLS
imap.put_Ssl(true)
imap.put_Port(993)
success = imap.Connect("imap.someMailServer.com")
if (success != true)
    print imap.lastErrorText() + "\n";
    exit
end

# Login
success = imap.Login("myLogin","myPassword")
if (success != true)
    print imap.lastErrorText() + "\n";
    exit
end

# Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
if (success != true)
    print imap.lastErrorText() + "\n";
    exit
end

# We can choose to fetch UIDs or sequence numbers.
fetchUids = true

# 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:
# messageSet is a CkMessageSet
messageSet = imap.Search("NEW",fetchUids)
if (imap.get_LastMethodSuccess() == false)
    print imap.lastErrorText() + "\n";
    exit
end

# 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
bundle = imap.FetchHeaders(messageSet)
if (imap.get_LastMethodSuccess() == false)

    print imap.lastErrorText() + "\n";
    exit
end

# Loop over the email objects...
i = 0
numEmails = bundle.get_MessageCount()
while i < numEmails
    # email is a CkEmail
    email = bundle.GetEmail(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"
    print email.ck_from() + "\n";
    print email.fromAddress() + "\n";
    print email.fromName() + "\n";

    # 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.
    uidStr = email.getHeaderField("ckx-imap-uid")
    uid = uidStr.to_i()

    # fullEmail is a CkEmail
    fullEmail = imap.FetchSingle(uid,true)
    if (imap.get_LastMethodSuccess() == true)
        # You may use the GenerateFilename method to
        # generate a unique filename...

        filename = fullEmail.generateFilename()

        # SaveEml saves the entire email, including attachments.
        success = fullEmail.SaveEml(filename)

    end

    print "--" + "\n";

    i = i + 1
end

# Disconnect from the IMAP server.
success = imap.Disconnect()


 

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