49 lines
1003 B
C++
49 lines
1003 B
C++
#include <cstdio>
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#include <cstring>
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#include "files.h"
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#define MAXLINE 256
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/* ---------------------------------------------------------------------- */
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void replace(char *file, char *header, int n, char **lines)
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{
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FILE *fpr = fopen(file,"r");
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FILE *fpw = fopen("tmp.file","w");
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char line[MAXLINE];
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while (fgets(line,MAXLINE,fpr)) {
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if (strstr(line,header)) {
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fprintf(fpw,"%s",line);
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for (int i = 0; i < n; i++) {
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fgets(line,MAXLINE,fpr);
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fprintf(fpw,"%s",lines[i]);
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}
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} else fprintf(fpw,"%s",line);
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}
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fclose(fpr);
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fclose(fpw);
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rename("tmp.file",file);
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}
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/* ---------------------------------------------------------------------- */
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void extract(char *file, char *header, int n, char **lines)
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{
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FILE *fp = fopen(file,"r");
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char line[MAXLINE];
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while (fgets(line,MAXLINE,fp)) {
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if (strstr(line,header)) {
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for (int i = 0; i < n; i++) {
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fgets(line,MAXLINE,fp);
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sprintf(lines[i],"%s",line);
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}
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break;
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}
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}
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fclose(fp);
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}
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