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(Ruby) Search IMAP Mailbox for Email Matching Criteria

Searching an IMAP mailbox for messages that match search criteria.

Chilkat Ruby Downloads

Ruby Library for Linux and MAC OS X

require 'chilkat'

# This example requires 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

# Here are examples of different search criteria:

# Return all messages.
allMsgs = "ALL"

# Search for already-answered emails.
answered = "ANSWERED"

# Search for messages on a specific date.
# The date string is DD-Month-YYYY where Month is
# Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, or Dec.
onDate = "SENTON 05-Mar-2007"

# Search for messages between two dates.  SENTBEFORE
# finds emails sent before a date, and SENTSINCE finds
# email sent on or after a date.  The "AND" operation
# is implied by joining criteria, separated by spaces.
betweenDates = "SENTSINCE 01-Mar-2007 SENTBEFORE 05-Mar-2007"

# Another example of AND: find all unanswered emails
# sent after 04-Mar-2007 with "Problem" in the subject:
complexSearch1 = "UNANSWERED SENTSINCE 04-Mar-2007 Subject \"Problem\""

# Find messages with a specific string in the body:
bodySearch = "BODY \"problem solved\""

# Using OR.  The syntax is OR <criteria1> <criteria2>. 
# The "OR" comes first, followed by each criteria.
# For example, to match all emails with "Help" or "Question" in the subject.
# You'll notice that literal strings may be quoted or unquoted.
# If a literal contains SPACE characters, quote it:
orSearch = "OR SUBJECT Help SUBJECT Question"

# ----------------------------------------------
# Strings are case-insensitive when searching....
# ----------------------------------------------

# Find all emails sent from yahoo.com addresses:
fromSearch = "FROM yahoo.com"
# Find all emails sent from anyone with "John" in their name:
johnSearch = "FROM John"

# Find emails with the RECENT flag set:
recentSearch = "RECENT"

# Find emails that don't have the recent flag set:
notRecentSearch = "NOT RECENT"
# This is synonymous with "OLD":
oldSearch = "OLD"

# Find all emails marked for deletion:
markedForDeleteSearch = "DELETED"

# Find all emails having a specified header field with a value
# containing a substring:
headerSearch = "HEADER DomainKey-Signature paypal.com"

# Find any emails having a specific header field.  If the 
# 2nd argument to the "HEADER" criteria is an empty string,
# any email having the header field is returned regardless
# of the header field's content.
# Find any emails with a DomainKey-Signature field:
headerExistsSearch = "HEADER DomainKey-Signature \"\""

# Find NEW emails: these are emails that have the RECENT flag
# set, but not the SEEN flag:
newSearch = "NEW"

# Find emails larger than a certain number of bytes:
sizeLargerSearch = "LARGER 500000"

# Find emails marked as seen or not already seen:
seenSearch = "SEEN"
notSeenSearch = "NOT SEEN"

# Find emails having a given substring in the TO header field:
toSearch = "TO support@chilkatsoft.com"
# A more long-winded way to do the same thing:
toSearch2 = "HEADER TO support@chilkatsoft.com"

# Find emails smaller than a size in bytes:
smallerSearch = "SMALLER 30000"

# Find emails that have a substring anywhere in the header
# or body:
fullSubstringSearch = "TEXT \"Zip Component\""

# Pass any of the above strings here to test a search:
# messageSet is a CkMessageSet
messageSet = imap.Search(orSearch,fetchUids)
if (imap.get_LastMethodSuccess() == false)
    print imap.lastErrorText() + "\n";
    exit
end

# Fetch the email headers into a bundle object:

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

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

# Display the Subject and From of each email.
i = 0
while i < bundle.get_MessageCount()

    # email is a CkEmail
    email = bundle.GetEmail(i)

    print email.getHeaderField("Date") + "\n";
    print email.subject() + "\n";
    print email.ck_from() + "\n";
    print "--" + "\n";

    i = i + 1
end

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


 

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