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Full Discussion: OpenSSH: SFTP X SCP
Top Forums UNIX for Dummies Questions & Answers OpenSSH: SFTP X SCP Post 65225 by RTM on Thursday 3rd of March 2005 03:50:33 PM
Old 03-03-2005
Quote:
The main difference in practical operation between SCP and SFTP/FTP is that for SFTP or FTP you set up a connection and can then carry out a whole series of operations (including many which are not actually transfers, such as listing or even deleting files on the remote system). With many SCP clients, a single command normally transfers a single file or group of files, and to list files on the remote system, for instance, you have to login as a separate exercise (normally using ssh, the secure alternative to telnet). Note that WinSCP, although described as an SCP client, provides facilities more like those of FTP or SFTP, and offers an SFTP mode as an option.
by University of Cambridge (You can tell this is dated since they state that 'neither SFTP or SCP is universally available')
 

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Net::SFTP::Foreign::Constants(3pm)			User Contributed Perl Documentation			Net::SFTP::Foreign::Constants(3pm)

NAME
Net::SFTP::Foreign::Constants - Constant definitions for Net::SFTP::Foreign SYNOPSIS
use Net::SFTP::Foreign::Constants qw(:tag SSH2_FILEXFER_VERSION); print "Protocol version is ", SSH2_FILEXFER_VERSION; DESCRIPTION
Net::SFTP::Foreign::Constants provides a list of exportable SFTP constants: for SFTP messages and commands, for file-open flags, for status messages, etc. Constants can be exported individually, or in sets identified by tag names. Net::SFTP::Foreign::Constants provides values for all of the constants listed in the SFTP protocol version 3 draft; the only thing to note is that the constants are listed with the prefix "SSH2_" instead of "SSH_". So, for example, to import the constant for the file-open command, you would write: use Net::SFTP::Foreign::Constants qw( SSH2_FXP_OPEN ); TAGS
As mentioned above, constants can either be imported individually or in sets grouped by tag names. The tag names are: :fxp Imports all of the "SSH2_FXP_*" constants: these are the constants used in the messaging protocol. :flags Imports all of the "SSH2_FXF_*" constants: these are constants used as flags sent to the server when opening files. :att Imports all of the "SSH2_FILEXFER_ATTR_*" constants: these are the constants used to construct the flag in the serialized attributes. The flag describes what types of file attributes are listed in the buffer. :status Imports all of the "SSH2_FX_*" constants: these are constants returned from a server "SSH2_FXP_STATUS" message and indicate the status of a particular operation. :error Imports all the "SFTP_ERR_*" constants used to represent high level errors: "SFTP_ERR_LOCAL_ALREADY_EXISTS", "SFTP_ERR_LOCAL_CHMOD_FAILED", "SFTP_ERR_LOCAL_OPEN_FAILED", "SFTP_ERR_LOCAL_READ_ERROR", "SFTP_ERR_LOCAL_STAT_FAILED", "SFTP_ERR_LOCAL_UTIME_FAILED", "SFTP_ERR_LOCAL_WRITE_FAILED", "SFTP_ERR_REMOTE_BAD_PACKET_SEQUENCE", "SFTP_ERR_REMOTE_BAD_PERMISSIONS", "SFTP_ERR_REMOTE_BAD_TIME", "SFTP_ERR_REMOTE_BLOCK_TOO_SMALL", "SFTP_ERR_REMOTE_CLOSE_FAILED", "SFTP_ERR_REMOTE_FSETSTAT_FAILED", "SFTP_ERR_REMOTE_FSTAT_FAILED", "SFTP_ERR_REMOTE_LSTAT_FAILED", "SFTP_ERR_REMOTE_MKDIR_FAILED", "SFTP_ERR_REMOTE_OPENDIR_FAILED", "SFTP_ERR_REMOTE_OPEN_FAILED", "SFTP_ERR_REMOTE_READDIR_FAILED", "SFTP_ERR_REMOTE_READ_FAILED", "SFTP_ERR_REMOTE_REALPATH_FAILED", "SFTP_ERR_REMOTE_REMOVE_FAILED", "SFTP_ERR_REMOTE_RENAME_FAILED", "SFTP_ERR_REMOTE_RMDIR_FAILED", "SFTP_ERR_REMOTE_READLINK_FAILED", "SFTP_ERR_REMOTE_SYMLINK_FAILED", "SFTP_ERR_REMOTE_SETSTAT_FAILED", "SFTP_ERR_REMOTE_STAT_FAILED", "SFTP_ERR_REMOTE_WRITE_FAILED" and "SFTP_ERR_REMOTE_HARDLINK_FAILED". Note: these constants are not defined on the SFTP draft. :ext Import all the "SSH2_FXE_*" constants: there are the constants defined for usage with SFTP extensions. Currently, these are supported: "SSH2_FXE_STATVFS_ST_RDONLY", "SSH_FXE_STATVFS_ST_NOSUID". There is one constant that does not fit into any of the tag sets: "SSH2_FILEXFER_VERSION", which holds the value of the SFTP protocol implemented by Net::SFTP::Foreign. AUTHOR &; COPYRIGHTS Please see the Net::SFTP::Foreign manpage for author, copyright, and license information. perl v5.14.2 2012-05-11 Net::SFTP::Foreign::Constants(3pm)
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