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(PHP ActiveX) Check if File ExistsDemonstrates how to check to see if a file exists.
<?php // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.SFtp') $sftp = new COM("Chilkat.SFtp"); // Connect to the SSH server. $hostname = 'sftp.example.com'; $port = 22; $success = $sftp->Connect($hostname,$port); if ($success != 1) { print $sftp->LastErrorText . "\n"; exit; } // Authenticate with the SSH server. Chilkat SFTP supports // both password-based authenication as well as public-key // authentication. This example uses password authenication. $success = $sftp->AuthenticatePw('myLogin','myPassword'); if ($success != 1) { print $sftp->LastErrorText . "\n"; exit; } // After authenticating, the SFTP subsystem must be initialized: $success = $sftp->InitializeSftp(); if ($success != 1) { print $sftp->LastErrorText . "\n"; exit; } // Check to see if a file exists // The return value is one of the following values: // -1: Unable to check. Examine the LastErrorText to determine the reason for failure. // 0: File does not exist. // 1: The regular file exists. // 2: It exists, but it is a directory. // 3: It exists, but it is a symlink (only possible if followLinks is false) // 4: It exists, but it is a special filesystem entry type. // 5: It exists, but it is an unkown filesystem entry type. // 6: It exists, but it is an socket filesystem entry type. // 7: It exists, but it is an char device entry type. // 8: It exists, but it is an block device entry type. // 9: It exists, but it is an FIFO entry type. $followLinks = 1; $status = $sftp->FileExists('someDir/someFile.txt',$followLinks); if ($status < 0) { print $sftp->LastErrorText . "\n"; exit; } print 'status = ' . $status . "\n"; print 'Success' . "\n"; ?> |
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