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https://github.com/Unidata/netcdf-c.git
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39 lines
697 B
C
39 lines
697 B
C
/*
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* Copyright 2018, University Corporation for Atmospheric Research
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* See netcdf/COPYRIGHT file for copying and redistribution conditions.
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*/
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#include "config.h"
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#include "stdlib.h"
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#include "stdio.h"
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#include <stddef.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#undef DEBUG
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int
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main(int argc, char** argv)
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{
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unsigned char c;
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FILE* f = NULL;
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if(argc > 1) {
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/* use argv[1] as input */
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f = fopen(argv[1],"r");
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if(f == NULL) {fprintf(stderr,"No such file: %s\n",argv[1]); exit(1);}
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} else
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f = stdin;
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for(;;) {
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size_t ret = fread(&c, 1, 1, f);
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if(ret != 1) break;
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printf("%.2hhx", c);
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}
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if(f != stdin) fclose(f);
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return 0;
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}
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