Date: Wed, 22 Sep 2004 15:47:48 -0700 From: Drew Tomlinson <drew@mykitchentable.net> To: Matthew Seaman <m.seaman@infracaninophile.co.uk> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: Find Command Syntax Message-ID: <41520114.7080607@mykitchentable.net> In-Reply-To: <20040922182306.GA18680@happy-idiot-talk.infracaninophile.co.uk> References: <4151998F.205@mykitchentable.net> <20040922153904.GA16792@happy-idiot-talk.infracaninophile.co.uk> <4151A296.90505@mykitchentable.net> <20040922173451.GA18351@happy-idiot-talk.infracaninophile.co.uk> <4151BABA.30300@mykitchentable.net> <20040922182306.GA18680@happy-idiot-talk.infracaninophile.co.uk>
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This is a cryptographically signed message in MIME format. --------------ms070608070008000500080506 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 9/22/2004 11:23 AM Matthew Seaman wrote: >On Wed, Sep 22, 2004 at 10:47:38AM -0700, Drew Tomlinson wrote: > > > >>OK, I'm trying to understand the difference. According to the manual >>-ctime is "change of file status" and -mtime is "last modification >>time". I think I understand what modification means (changing the >>contents of the file) but what is "change of file status"? In my >>particular situation, while reviewing my spam folder for possible "ham", >>my IMAP client may change the message status from unread to read. How >>would this affect the actual message file? >> >> > >The ctime entry (originally 'creation time') used to be intended to >record when the file was created. Nowadays it records the last time >the inode for the file changed -- that includes such things as changes >to file permissions, ACLs, option flags etc., but not such things as >modifications to the file contents which don't change the file size a >great deal. > >This status has nothing to do with what your IMAP client reports as >the file status. The ctime concept applies to any file on the system, >no matter what it's used for. IMAP status just records or modifies an >extra header within the message to indicate if it's been read or not. > >Thus reading those messages via IMAP might change mtime but not >ctime. However, I'm not certain of that. You'll have to experiment. >You can print out the ctime and mtime for the files by: > > % stat -f 'ctime=%Sc mtime=%Sm %N' -t '%c' * > >Usually mtime and ctime will be exactly the same. > > Cheers, > > Matthew > > Thank you very much for the explanation. I will use your stat example and do some investigating. Drew -- Visit The Alchemist's Warehouse Magic Tricks, DVDs, Videos, Books, & More! http://www.alchemistswarehouse.com --------------ms070608070008000500080506 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIH+TCC AlcwggHAoAMCAQICAw0RLjANBgkqhkiG9w0BAQQFADBiMQswCQYDVQQGEwJaQTElMCMGA1UE ChMcVGhhd3RlIENvbnN1bHRpbmcgKFB0eSkgTHRkLjEsMCoGA1UEAxMjVGhhd3RlIFBlcnNv bmFsIEZyZWVtYWlsIElzc3VpbmcgQ0EwHhcNMDQwOTE4MTQ1MDAxWhcNMDUwOTE4MTQ1MDAx WjBJMR8wHQYDVQQDExZUaGF3dGUgRnJlZW1haWwgTWVtYmVyMSYwJAYJKoZIhvcNAQkBFhdk cmV3QG15a2l0Y2hlbnRhYmxlLm5ldDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEAwJS7 Je3OPtSkBf9B6ZrTC0vrxLNCV9WP3bHljygz2ZQtyr6TpV0j5E8ZMH9MSVxxySTXkeji/e5O C77BJrcnBUxalMn5v+Ad5Ad7ho52XWyMvlFTJSHW3S1kriBpM/boRa8uQy4YScF9qIrqGi4L VTf3xlsELK/ZfC7u84iZUd8CAwEAAaM0MDIwIgYDVR0RBBswGYEXZHJld0BteWtpdGNoZW50 YWJsZS5uZXQwDAYDVR0TAQH/BAIwADANBgkqhkiG9w0BAQQFAAOBgQCT6LpTtvsZM047jNdX CR51RKrjQgeu0XCngtVUhO3lOlKxvH2BOSd/CRQo6rXzCrTWFectUPQ60RCLiyA23tBF4sFG ThcWduFqyK8h4uBZHzuHQY9GfA6b8ndeagYGBrK7HQd/3Lf6mRxprt0wtrWXln6tdb5WTgqh ezOqHTCZ7zCCAlcwggHAoAMCAQICAw0RLjANBgkqhkiG9w0BAQQFADBiMQswCQYDVQQGEwJa QTElMCMGA1UEChMcVGhhd3RlIENvbnN1bHRpbmcgKFB0eSkgTHRkLjEsMCoGA1UEAxMjVGhh d3RlIFBlcnNvbmFsIEZyZWVtYWlsIElzc3VpbmcgQ0EwHhcNMDQwOTE4MTQ1MDAxWhcNMDUw OTE4MTQ1MDAxWjBJMR8wHQYDVQQDExZUaGF3dGUgRnJlZW1haWwgTWVtYmVyMSYwJAYJKoZI hvcNAQkBFhdkcmV3QG15a2l0Y2hlbnRhYmxlLm5ldDCBnzANBgkqhkiG9w0BAQEFAAOBjQAw gYkCgYEAwJS7Je3OPtSkBf9B6ZrTC0vrxLNCV9WP3bHljygz2ZQtyr6TpV0j5E8ZMH9MSVxx ySTXkeji/e5OC77BJrcnBUxalMn5v+Ad5Ad7ho52XWyMvlFTJSHW3S1kriBpM/boRa8uQy4Y ScF9qIrqGi4LVTf3xlsELK/ZfC7u84iZUd8CAwEAAaM0MDIwIgYDVR0RBBswGYEXZHJld0Bt eWtpdGNoZW50YWJsZS5uZXQwDAYDVR0TAQH/BAIwADANBgkqhkiG9w0BAQQFAAOBgQCT6LpT tvsZM047jNdXCR51RKrjQgeu0XCngtVUhO3lOlKxvH2BOSd/CRQo6rXzCrTWFectUPQ60RCL iyA23tBF4sFGThcWduFqyK8h4uBZHzuHQY9GfA6b8ndeagYGBrK7HQd/3Lf6mRxprt0wtrWX ln6tdb5WTgqhezOqHTCZ7zCCAz8wggKooAMCAQICAQ0wDQYJKoZIhvcNAQEFBQAwgdExCzAJ BgNVBAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUxEjAQBgNVBAcTCUNhcGUgVG93bjEa MBgGA1UEChMRVGhhd3RlIENvbnN1bHRpbmcxKDAmBgNVBAsTH0NlcnRpZmljYXRpb24gU2Vy dmljZXMgRGl2aXNpb24xJDAiBgNVBAMTG1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBDQTEr MCkGCSqGSIb3DQEJARYccGVyc29uYWwtZnJlZW1haWxAdGhhd3RlLmNvbTAeFw0wMzA3MTcw MDAwMDBaFw0xMzA3MTYyMzU5NTlaMGIxCzAJBgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3dGUg Q29uc3VsdGluZyAoUHR5KSBMdGQuMSwwKgYDVQQDEyNUaGF3dGUgUGVyc29uYWwgRnJlZW1h aWwgSXNzdWluZyBDQTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEAxKY8VXNV+065ypla HmjAdQRwnd/p/6Me7L3N9VvyGna9fww6YfK/Uc4B1OVQCjDXAmNaLIkVcI7dyfArhVqqP3FW y688Cwfn8R+RNiQqE88r1fOCdz0Dviv+uxg+B79AgAJk16emu59l0cUqVIUPSAR/p7bRPGEE QB5kGXJgt/sCAwEAAaOBlDCBkTASBgNVHRMBAf8ECDAGAQH/AgEAMEMGA1UdHwQ8MDowOKA2 oDSGMmh0dHA6Ly9jcmwudGhhd3RlLmNvbS9UaGF3dGVQZXJzb25hbEZyZWVtYWlsQ0EuY3Js MAsGA1UdDwQEAwIBBjApBgNVHREEIjAgpB4wHDEaMBgGA1UEAxMRUHJpdmF0ZUxhYmVsMi0x MzgwDQYJKoZIhvcNAQEFBQADgYEASIzRUIPqCy7MDaNmrGcPf6+svsIXoUOWlJ1/TCG4+DYf qi2fNi/A9BxQIJNwPP2t4WFiw9k6GX6EsZkbAMUaC4J0niVQlGLH2ydxVyWN3amcOY6MIE9l X5Xa9/eH1sYITq726jTlEBpbNU1341YheILcIRk13iSx0x1G/11fZU8xggK6MIICtgIBATBp MGIxCzAJBgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3dGUgQ29uc3VsdGluZyAoUHR5KSBMdGQu MSwwKgYDVQQDEyNUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgSXNzdWluZyBDQQIDDREuMAkG BSsOAwIaBQCgggGnMBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8X DTA0MDkyMjIyNDc0OFowIwYJKoZIhvcNAQkEMRYEFCR3GGyHE8KgvwwUAbIokIi4Gy1JMFIG CSqGSIb3DQEJDzFFMEMwCgYIKoZIhvcNAwcwDgYIKoZIhvcNAwICAgCAMA0GCCqGSIb3DQMC AgFAMAcGBSsOAwIHMA0GCCqGSIb3DQMCAgEoMHgGCSsGAQQBgjcQBDFrMGkwYjELMAkGA1UE BhMCWkExJTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMT I1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBJc3N1aW5nIENBAgMNES4wegYLKoZIhvcNAQkQ Agsxa6BpMGIxCzAJBgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3dGUgQ29uc3VsdGluZyAoUHR5 KSBMdGQuMSwwKgYDVQQDEyNUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgSXNzdWluZyBDQQID DREuMA0GCSqGSIb3DQEBAQUABIGAfoqvkLpgSSXjpaJkdl3kax7q77CCBVAcZ4vPJBBneWzf LcW9Y65SBUVIc+dWriJLtSXEKuyrz5dZWUJPkBP3hazvLdmhOXeKouWaxcUq/dAafhQoGHIE VjfSLc59eRuDSLIp3SmjZs1hH0es/F5oconNfoGJMqpSufiLM2ckJyYAAAAAAAA= --------------ms070608070008000500080506--
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