Re: How do to SCP from within my C++ program?

James Kanze <>
Fri, 18 Feb 2011 00:54:50 -0800 (PST)
On Feb 18, 4:23 am, Ian Collins <> wrote:

On 02/18/11 05:00 PM, Adrian wrote:

On Feb 17, 1:52 pm, Ian Collins<> wrote:

On 02/18/11 07:25 AM, Adrian wrote:

On 02/13/2011 04:05 AM, Man-wai Chang wrote:

system() to call scp?

Man-wai idea would work.

One downside of system() the caller doesn't know if the command
succeeded or failed.

Would not the scp return other the 0 back through system() to indicate
something went wrong. Not perfect and other errors (ie missing scp)
could also cause failures.

What the system() function returns is implementation defined. You'll
have to check your system documentation.

Maybe. But both Unix and Windows return the exit code of the
child process, and in both cases, 0 means success (and in both
cases, there are programs which return random exit codes).

The real portability problem is what to put in the string you
pass to system. "ls -lt" will have decidedly different results
on a Unix machine than under Windows (unless you've installed
CygWin and have it in your path). And more complicated commands
may work differently on different flavors of Unix, even without
taking Windows into consideration. Or they may work differently
depending which packages you have installed under Linux, even
without taking different flavors of Windows into consideration.

James Kanze

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