Check if an executable exists in the Windows path

Question

If I run a process with ShellExecute (or in .net with System.Diagnostics.Process.Start()) the filename process to start doesn\'t need to be a full

Answer 1

Much shorter and direct, which is what the poster wanted.

FILE *fp
char loc_of_notepad[80] = "Not Found";

// Create a pipe to run the build-in where command
// It will return the location of notepad
fp = popen("cmd /C where notepad", "r");
// Read a line from the pipe, if notepad is found 
// this will be the location (followed by a '\n')
fgets(loc_of_notepad, 80, fp);
fclose(fp);

printf("Notepad Location: %s", loc_of_notepad);