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	Remove trailing spaces in file perl-xCAT/xCAT/SSH.pm
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		@@ -36,14 +36,14 @@ our $ssh_version = xCAT::SSH->validate_ssh_version;
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        Returns:
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        	A command array for the ssh command with the appropriate
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        	arguments as defined in the $config hash table
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        Globals:
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        	$ssh_version
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        	$SSH_CMD
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        Error:
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        	None
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        Example:
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        	xCAT::SSH->remote_shell_command($config_hash, '/usr/bin/ssh');
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@@ -99,14 +99,14 @@ sub remote_shell_command {
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        Returns:
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        	A command array for the scp command with the appropriate
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        	arguments as defined in the $config hash table
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        Globals:
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        	$ssh_version
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        	$SCP_CMD
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        Error:
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        	None        	
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        Example:
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        	xCAT::SSH->remote_copy_command($config_hash, '/usr/bin/scp');
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@@ -147,7 +147,7 @@ sub remote_copy_command {
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        {
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            $scpfile = "/tmp/scp_$$config{'dest-host'}";
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        }
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        open SCPCMDFILE, "> $scpfile"
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          or die "Can not open file $scpfile";
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        if ($$config{'dest-user'})
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@@ -183,7 +183,7 @@ sub remote_copy_command {
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                        "$exec_path -p -r $src_file_diff_dest $dest_user_host:$dest_dir/$diff_basename\n";
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                }
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            }
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        }        
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        }
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        close SCPCMDFILE;
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        chmod 0755, $scpfile;
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@@ -231,13 +231,13 @@ sub remote_copy_command {
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        Returns:
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        	The string 'OpenSSH' if OpenSSH is used
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        	undef otherwise
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        Globals:
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        	$SSH_CMD
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        Error:
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        	None
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        Example:
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        	$ssh_version = xCAT::SSH->validate_ssh_version;
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