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make OR filter work #444

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make OR filter work #444

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392fbb1
make OR filter work
Setotet Jan 20, 2015
cddb41e
add criteria example for OR
Setotet Jan 21, 2015
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2 changes: 2 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -564,6 +564,8 @@ Connection Instance Methods
* Messages that are EITHER unread OR are dated April 20, 2010 or later, you could use: [ ['OR', 'UNSEEN', ['SINCE', 'April 20, 2010'] ] ]
* All messages that have 'node-imap' in the subject header: [ ['HEADER', 'SUBJECT', 'node-imap'] ]
* All messages that _do not_ have 'node-imap' in the subject header: [ ['!HEADER', 'SUBJECT', 'node-imap'] ]
* All UNSEEN messages smaller than 5,000 bytes from one of four senders: Paul Smith, [email protected], [email protected], and Ted Johnson:
['UNSEEN', ['SMALLER','5000'], 'OR', ['OR', ['FROM','Paul Smith'],['FROM','[email protected]']],['OR', ['FROM','[email protected]'],['FROM','Ted Johnson']]]

`callback` has 2 parameters: < _Error_ >err, < _array_ >UIDs.

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3 changes: 2 additions & 1 deletion lib/Connection.js
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Expand Up @@ -1830,7 +1830,7 @@ function buildSearchQuery(options, extensions, info, isOrChild) {
var searchargs = '', err, val;
for (var i = 0, len = options.length; i < len; ++i) {
var criteria = (isOrChild ? options : options[i]),
args = null,
args = (isOrChild ? null : options.slice(i+1)),
modifier = (isOrChild ? '' : ' ');
if (typeof criteria === 'string')
criteria = criteria.toUpperCase();
Expand All @@ -1853,6 +1853,7 @@ function buildSearchQuery(options, extensions, info, isOrChild) {
searchargs += ') (';
searchargs += buildSearchQuery(args[1], extensions, info, true);
searchargs += ')';
i = i+2
} else {
if (criteria[0] === '!') {
modifier += 'NOT ';
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