10-24-2003
Look into the what command, it may gave you a decent starting point to include version information into your software. You would of course have to execute the what command from inside the executable, or find the source for the what command and place it inside of it.
As for editting that value at run-time (or install-time), that's kind of shifty - and not exactly portable. However, if you can read the information, you can write it...provided you do not change the string's size (or be faced with possibly corrupting the string table in your executable).
That's about as much as I can give you. However just realize everything you would be doing is very non-portable considering the differing executable structures on various platforms.
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LEARN ABOUT OPENDARWIN
tcl_findexecutable
Tcl_FindExecutable(3) Tcl Library Procedures Tcl_FindExecutable(3)
__________________________________________________________________________________________________________________________________________________
NAME
Tcl_FindExecutable, Tcl_GetNameOfExecutable - identify or return the name of the binary file containing the application
SYNOPSIS
#include <tcl.h>
void
Tcl_FindExecutable(argv0)
CONST char *
Tcl_GetNameOfExecutable()
ARGUMENTS
char *argv0 (in) The first command-line argument to the program, which gives the application's name.
_________________________________________________________________
DESCRIPTION
The Tcl_FindExecutable procedure computes the full path name of the executable file from which the application was invoked and saves it for
Tcl's internal use. The executable's path name is needed for several purposes in Tcl. For example, it is needed on some platforms in the
implementation of the load command. It is also returned by the info nameofexecutable command.
On UNIX platforms this procedure is typically invoked as the very first thing in the application's main program; it must be passed argv[0]
as its argument. It is important not to change the working directory before the invocation. Tcl_FindExecutable uses argv0 along with the
PATH environment variable to find the application's executable, if possible. If it fails to find the binary, then future calls to info
nameofexecutable will return an empty string.
Tcl_GetNameOfExecutable simply returns a pointer to the internal full path name of the executable file as computed by Tcl_FindExecutable.
This procedure call is the C API equivalent to the info nameofexecutable command. NULL is returned if the internal full path name has not
been computed or unknown.
KEYWORDS
binary, executable file
Tcl 8.1 Tcl_FindExecutable(3)