I tried to write a little utility to submit a command to the At Facility.
The code to do this is as follows:
StdStrLst := TStringlist.Create;
ErrorStrLst := TStringlist.Create;
MyProcess := TProcess.Create(nil);
MyProcess.CommandLine := 'at now';
MyProcess.Options := MyProcess.Options + [poUsePipes];
MyProcess.Execute;
StdStrLst.Clear;
StdStrLst.Add('awk -F":" ''{print $1"\t"$3"\t"$4}'' /etc/passwd | sort');
StdStrLst.SaveToStream(MyProcess.Input);
StdStrLst.Clear;
StdStrLst.Add(chr(4));
StdStrLst.SaveToStream(MyProcess.Input);
Running this code from a Lazarus test program works with out any
problems. When running it from a Free Pascal (non gui,) the program
seems to halt after issuing the "MyProcess.Execute;" The program seems
to exit without any errors, but I have put writeln's throughout the code
and I don't see any output after the above instruction. It is probable
that there is some errors in the stdout, but I never see them and don't
know how to access it after the program exits.
The Uses clause for the two apps are as follows.
Lazarus:
uses Classes, SysUtils, FileUtil, LResources, Forms, Controls,
Graphics, Dialogs,
StdCtrls, Process;
Free Pascal:
Uses Classes, Process;
Anyone have any ideas?
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