08-12-2008
Quote:
Originally Posted by
akar_naveen
I have an SFTP coprocess whose output is redirected to a file (as shown in the script below). Now how can I read the output of the coprocess:
exec 4>$FTPLOG
sftp nakarapu@serverx >&4 2>&4 |&
print -p mget $filename
print -p !echo "The FTP is complete"
read -p LINE
echo $LINE
print -p bye
wait
What changes to the above code can make it read the LINE from the coprocess.
(Btw, this is an attempt to synchronize with the coprocess. If you have a better way to know when the coprocess finishes the ftp, please let me know.)
I have never been able to get ssh, scp, or sftp to work via a coprocess due to how it forks a child process. You need to use expect or Perl expect; that's what I have used.
T
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LEARN ABOUT FREEBSD
atf-sh
ATF-SH(1) BSD General Commands Manual ATF-SH(1)
NAME
atf-sh [-s shell] -- interpreter for shell-based test programs
SYNOPSIS
atf-sh script
DESCRIPTION
atf-sh is an interpreter that runs the test program given in script after loading the atf-sh(3) library.
atf-sh is not a real interpreter though: it is just a wrapper around the system-wide shell defined by ATF_SHELL. atf-sh executes the inter-
preter, loads the atf-sh(3) library and then runs the script. You must consider atf-sh to be a POSIX shell by default and thus should not
use any non-standard extensions.
The following options are available:
-s shell Specifies the shell to use instead of the value provided by ATF_SHELL.
ENVIRONMENT
ATF_LIBEXECDIR Overrides the builtin directory where atf-sh is located. Should not be overridden other than for testing purposes.
ATF_PKGDATADIR Overrides the builtin directory where libatf-sh.subr is located. Should not be overridden other than for testing purposes.
ATF_SHELL Path to the system shell to be used in the generated scripts. Scripts must not rely on this variable being set to select a
specific interpreter.
EXAMPLES
Scripts using atf-sh(3) should start with:
#! /usr/bin/env atf-sh
Alternatively, if you want to explicitly choose a shell interpreter, you cannot rely on env(1) to find atf-sh. Instead, you have to hardcode
the path to atf-sh in the script and then use the -s option afterwards as a single parameter:
#! /path/to/bin/atf-sh -s/bin/bash
ENVIRONMENT
ATF_SHELL Path to the system shell to be used in the generated scripts.
SEE ALSO
atf-sh(3)
BSD
September 27, 2014 BSD