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- /*
- * This file is part of the UCB release of Plan 9. It is subject to the license
- * terms in the LICENSE file found in the top-level directory of this
- * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
- * part of the UCB release of Plan 9, including this file, may be copied,
- * modified, propagated, or distributed except according to the terms contained
- * in the LICENSE file.
- */
- #include <u.h>
- #include <libc.h>
- void
- cat(int f, char *s)
- {
- char buf[8192];
- int32_t n;
- while((n=read(f, buf, (int32_t)sizeof buf))>0)
- if(write(1, buf, n)!=n)
- sysfatal("write error copying %s: %r", s);
- if(n < 0)
- sysfatal("error reading %s: %r", s);
- }
- void
- main(int argc, char *argv[])
- {
- int f, i;
- argv0 = "cat";
- if(argc == 1)
- cat(0, "<stdin>");
- else for(i=1; i<argc; i++){
- f = open(argv[i], OREAD);
- if(f < 0)
- sysfatal("can't open %s: %r", argv[i]);
- else{
- cat(f, argv[i]);
- close(f);
- }
- }
- exits(0);
- }
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