mirror of
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37 lines
532 B
C
37 lines
532 B
C
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#include <u.h>
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#include <libc.h>
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void
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cat(int f, char *s)
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{
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char buf[8192];
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long n;
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while((n=read(f, buf, (long)sizeof buf))>0)
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if(write(1, buf, n)!=n)
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sysfatal("write error copying %s: %r", s);
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if(n < 0)
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sysfatal("error reading %s: %r", s);
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}
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void
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main(int argc, char *argv[])
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{
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int f, i;
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argv0 = "cat";
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if(argc == 1)
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cat(0, "<stdin>");
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else for(i=1; i<argc; i++){
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f = open(argv[i], OREAD);
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if(f < 0)
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sysfatal("can't open %s: %r", argv[i]);
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else{
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cat(f, argv[i]);
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close(f);
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}
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}
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exits(0);
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}
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