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Table of Contents
4. Standard Units
4.24. DOS - MSDOS support unit
4.24.2. DOS Unit Procedures and Functions
4.24.2.9. Exec
4.24.2.9. Exec
Targets: MS-DOS, OS/2, Win32
Dos Unit
Executes a specified program with a specified command line.
Declaration:
procedure Exec(Path, CmdLine: string);
Remarks:
Path is the drive, directory, and program name to execute.
CmdLine contains the command line arguments.
Exec transfers control to the program specified by Path.
Memory allocation is not modified by Exec. Upon completion of
Exec use DosExitCode
to determine the exit code of the program. Exec also sets the value
of DosError if an error occurred.
Exec does not execute programs that require File Control Blocks (FCBs).
Example:
begin
Exec('PROGRAM.EXE','');
WriteLn(Hi(DosExitCode),'.', Lo(DosExitCode),'.',DosError);
end.
See also:
DosExitCode
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