Tcl_FindExecutable, Tcl_GetNameOfExecutable - identify or return the name of the binary file containing the application
CONST char *
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.
- char *argv0 (in)
The first command-line argument to the program, which gives the
On UNIX platforms this procedure is typically invoked as the very
first thing in the application's main program; it must be passed
argv as its argument. 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.
binary, executable file
Copyright © 1995-1996 Sun Microsystems, Inc.
Copyright © 1995-1997 Roger E. Critchlow Jr.
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