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	bcat.c - 9base - revived minimalist port of Plan 9 userland to Unix
	git clone git://git.suckless.org/9base
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	---
	bcat.c (725B)
	---
	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 Fmt fmt;
	26
	27 Binit(&bout, 1, O_WRONLY);
	28 Bfmtinit(&fmt, &bout);
	29 fmtprint(&fmt, "hello, world\n");
	30 Bfmtflush(&fmt);
	31
	32 if(argc == 1){
	33 Binit(&b, 0, O_RDONLY);
	34 bcat(&b, "<stdin>");
	35 }else{
	36 for(i=1; i<argc; i++){
	37 if((bp = Bopen(argv[i], O_RDONLY)) == 0){
	38 fprint(2, "Bopen %s: %r\n", argv[i]);
	39 continue;
	40 }
	41 bcat(bp, argv[i]);
	42 Bterm(bp);
	43 }
	44 }
	45 exit(0);
	46 }