| Calling Sequence
| OpenPipe(cmd)
|
| Parameters
| | Name | Type | Description |
|
| cmd
| string | a command for the underlying UNIX system |
|
| Return Type
| NULL |
| Synopsis
| OpenPipe will execute the command described by the
string cmd and directs its output to be the input for Darwin.
This is called opening a pipe in the Unix terminology.
This output is readable with ReadRawLine() commands (simply as text)
or with ReadLine() commands (when the output is/are valid Darwin
commands). When the output is exhausted, the string EOF will be
returned by the read commands and the pipe will be closed. |
| Examples
| > OpenPipe(date);
> ReadRawLine();
Thu Oct 12 08:01:39 MET DST 2000
> ReadRawLine();
EOF
|
| See also
| CallSystem, FileStat, inputoutput, OpenAppending, OpenReading, OpenWriting, ReadLine, ReadOffsetLine, ReadRawFile, ReadRawLine, SplitLines, SystemCommand, TimedCallSystem |