Open System Command Pipe VI

Owning Palette: Pipes VIs

Requires: Base Development System (Linux)

Opens a pipe to a system shell command and returns file descriptors that you can pass to subsequent Pipes VIs.

You must use the Close Pipe VI to close all returned file descriptors.

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command line indicates which command for LabVIEW to call to run your program.
mode determines whether you want to read and/or write data.

0Read
1Write
2Read & Write
return standard error fd? sets the VI to return error file descriptor when set to TRUE. The default is FALSE.
error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
process ID returns the process ID.
read file descriptor returns a file descriptor if you set mode to Read or Read + Write.
write file descriptor returns a file descriptor if you set mode to Write or Read + Write.
error file descriptor returns a file descriptor you can pass to the Read From Pipe and Close Pipe VIs if you set return standard error fd? to TRUE.
error out contains error information. This output provides standard error out functionality.