#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/param.h>


#ifndef PATH_SEP
# define PATH_SEP        '/'
#endif

#ifdef MYGETOPT
char getopt( int    argc, char  *argv[], char *format );
#endif

#ifdef _BSD_
extern char *sys_errlist[];
# define raise(s) kill(getpid(),(s))
# define strerror(e) sys_errlist[(e)]
#endif

static char __ident[] = "@(#)(c)SPDsoft, Fri Jul 28, 1995";
#define VERS_STR        ((char*)&__ident[4])


void usage(void);
extern int errno;
char    *app;

void usage(void)
{
	fprintf(stderr,"Use: %s [-h] [-f n0] -t n1 file\n", app);
	fprintf(stderr,"%s: -h : This text\n", app);
	fprintf(stderr,"%s: -f : First number (default 0)\n", app);
	fprintf(stderr,"%s: -t : Last number\n", app);
	fprintf(stderr,"%s: file: Output\n", app);
	exit(0);
}


main( int argc, char *argv[])
{
	int	theFile;
	int	opt;
	int Verbose=0;
	int i,r;
	int n0=0, n1=0;
	FILE *f, *g;
	char fname[MAXPATHLEN];
	char buffer[1024];

        extern char     *optarg;
        extern int      optind,opterr;

        if ((app = strrchr(argv[0], PATH_SEP))  != NULL)
                app = app+1;
        else
                app = argv[0];


	
        while ( (opt=getopt(argc,argv,"hf:t:v")) != EOF )
        {
                switch(opt)
                {
						case 'v':
								printf("%s:%s\n",app,VERS_STR);
								Verbose=1;
								break;

						case 'f':
								n0 = (unsigned int) atoi(optarg);
								break;

						case 't':
								n1 = (unsigned int) atoi(optarg);
								break;

                        case 'h':
                        default:
                                usage();
                                break;
                }
        }

        if ((argc-optind)!=1)
                usage();


	theFile=optind;

	if ( NULL == ( f = fopen(argv[theFile],"wb")))
		fprintf(stderr,"%s: can't open %s (%s)\n",
			app, argv[theFile],strerror(errno));
	else
	{
		if (Verbose)
			fprintf(stderr,"%s: open %s\n", app,argv[theFile]);

		for(i=n0; i<=n1; i++)
		{
			sprintf(fname,"%s.%03d",argv[theFile],i);
			if ( NULL == ( g = fopen(fname,"rb")))
			{
				fprintf(stderr,"%s: can't open %s (%s)\n",
				app, fname,strerror(errno));

				break;
			}
			else
			{
				if (Verbose)
					fprintf(stderr,"%s: open %s\n", app,fname);

				while(!feof(g))
				{
					r = (int) fread(buffer,1,1024,g);
					fwrite(buffer,1,r,f);
				}
				fclose(g);
			}

		}

		fclose( f );
	}
}