1 #include <fmt.h>
2 #include "bio.h"
3 
4 Biobuf bout;
5 
6 void
7 bcat(Biobuf *b, char *name)
8 {
9 	char buf[1000];
10 	int n;
11 
12 	while((n = Bread(b, buf, sizeof buf)) > 0){
13 		if(Bwrite(&bout, buf, n) < 0)
14 			fprint(2, "writing during %s: %r\n", name);
15 	}
16 	if(n < 0)
17 		fprint(2, "reading %s: %r\n", name);	
18 }
19 
20 int
21 main(int argc, char **argv)
22 {
23 	int i;
24 	Biobuf b, *bp;
25 
26 	Binit(&bout, 1, O_WRONLY);
27 
28 	if(argc == 1){
29 		Binit(&b, 0, O_RDONLY);
30 		bcat(&b, "<stdin>");
31 	}else{
32 		for(i=1; i<argc; i++){
33 			if((bp = Bopen(argv[i], O_RDONLY)) == 0){
34 				fprint(2, "Bopen %s: %r\n", argv[i]);
35 				continue;
36 			}
37 			bcat(bp, argv[i]);
38 			Bterm(bp);
39 		}
40 	}
41 	exit(0);
42 }