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33 lines
833 B
33 lines
833 B
#include<stdio.h> |
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#include<assert.h> |
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int main(int argc, char **argv) { |
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const int ARRSIZE = 80; |
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char arr[ARRSIZE]; |
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if(argc != 3) { |
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fprintf(stderr, "%s <input file> <output file>\n", argv[0]); |
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return 1; |
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} |
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char *ifilename = argv[1]; |
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char *ofilename = argv[2]; |
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printf("%s\n", ifilename); |
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FILE *ifile = fopen(ifilename, "r"); |
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if(!ifile) { |
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fprintf(stderr, "Could not open source file %s.\n", ifilename); |
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return 1; |
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} |
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FILE *ofile = fopen(ofilename, "w"); |
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if(!ofile) { |
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fprintf(stderr, "Could not open target file %s\n", ofilename); |
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return 1; |
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} |
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size_t bytes; |
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bytes = fread(arr, 1, ARRSIZE, ifile); |
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assert(bytes < 80); |
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assert(bytes > 0); |
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fwrite(arr, 1, bytes, ofile); |
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fclose(ifile); |
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fclose(ofile); |
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return 0; |
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}
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