Purpose
Execute an
external program.
Synopsis
procedure system(command:string)
Argument
|
command
|
The command to be executed
|
Example
The following displays the functionality of the mmsystem module using the program mosel:
system('mosel -s -c "exam mmsystem"')
Further information
1.
The given program is executed directly: if the specified
expression is a shell command, it is necessary to call the
shell explicitly. For instance to get a directory listing
under Windows the command will be "cmd /C dir".
2.
Using this procedure should be avoided in applications that
are to be run on different systems because such a call is always
system dependent and may not be portable.
3.
The generated process inherits the current system environment plus the environment
variables modified/created using the
setenv procedure.
4.
The default output and error streams of the generated process are redirected to the
corresponding Mosel streams. The default input stream is closed.
Note that under Windows, the redirection of streams requires the external program mmredir.exe.
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