56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
/* access2 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define MAXLINE 128
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int main(int argc, char *argv[])
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{
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FILE *ifp;
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FILE *ofp;
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long entries = 0;
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char last_entry_name[11];
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char line[MAXLINE];
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printf("access2 Version 1.0\n");
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if (argc != 3) {
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fprintf(stderr,"Usage: access2 filein fileout\n");
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exit(2);
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}
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if ((ifp = fopen(argv[1],"r")) == NULL) {
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fprintf(stderr,"access2: Cannot open input file %s\n",argv[1]);
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exit(1);
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}
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if ((ofp = fopen(argv[2],"w")) == NULL) {
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fprintf(stderr,"access2: Cannot open output file %s\n",argv[2]);
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exit(1);
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}
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last_entry_name[0] = '\0';
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while (fgets(line,MAXLINE,ifp)!=NULL) {
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/*
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format of input line:
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%10s %10s\n (entry name, accession number)
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*/
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if (strncmp(last_entry_name,line,10)!=0) {
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entries++;
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strncpy(last_entry_name,line,10);
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}
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fprintf(ofp, "%-10.10s %-10.10s %10ld\n",line,line+11,entries);
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}
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printf(" Number of entries = %ld\n\n",entries);
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fclose(ifp);
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fclose(ofp);
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return 0;
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}
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