10-17-2011
SFTP check if file exists
I lookifn for a way to SFTP a file based on the presence of a flag file .
The logic is some thing like this in shelling terms
IF [[ ! -s file.DDMM.done ]]; then
download file.DDMM.dat
FI
The above is just the way of interpreting the logic.
Just want to add that i do not have SSh access to the remote server
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LEARN ABOUT DEBIAN
libssh2_sftp_init
libssh2_sftp_init(3) libssh2 manual libssh2_sftp_init(3)
NAME
libssh2_sftp_init - open SFTP channel for the given SSH session.
SYNOPSIS
#include <libssh2.h> #include <libssh2_sftp.h>
LIBSSH2_SFTP * libssh2_sftp_init(LIBSSH2_SESSION *session);
DESCRIPTION
session - Session instance as returned by libssh2_session_init_ex(3)
Open a channel and initialize the SFTP subsystem. Although the SFTP subsystem operates over the same type of channel as those exported by
the Channel API, the protocol itself implements its own unique binary packet protocol which must be managed with the libssh2_sftp_*() fam-
ily of functions. When an SFTP session is complete, it must be destroyed using the libssh2_sftp_shutdown(3) function.
RETURN VALUE
A pointer to the newly allocated SFTP instance or NULL on failure.
ERRORS
LIBSSH2_ERROR_ALLOC - An internal memory allocation call failed.
LIBSSH2_ERROR_SOCKET_SEND - Unable to send data on socket.
LIBSSH2_ERROR_SOCKET_TIMEOUT -
LIBSSH2_ERROR_SFTP_PROTOCOL - An invalid SFTP protocol response was received on the socket, or an SFTP operation caused an errorcode to be
returned by the server.
LIBSSH2_ERROR_EAGAIN - Marked for non-blocking I/O but the call would block.
SEE ALSO
libssh2_sftp_shutdown(3) libssh2_sftp_open_ex(3)
libssh2 0.15 1 Jun 2007 libssh2_sftp_init(3)