heh! nº1:(extract.c):06/01/2000 << Back To heh! nº 1
/* * Extracts textfiles from a specially tagged flatfile into a hierarchical * directory strcuture. Use to extract source code from any of the articles * in Phrack Magazine (first appeared in Phrack 50). * * gcc -o extract extract.c * * ./extract filename */ #include <stdio.h> #include <stdlib.h> #include <string.h> int main(int argc, char **argv){ char *s="<++> ",*e="<-->",b[256],*bp; FILE *f,*o = NULL; int l, n, i=0; l = strlen(s); n = strlen(e); if(argc<2) { printf("Usage: %s \n",argv[0]); exit(1); } if(! (f=fopen(argv[1], "r"))) { printf("Could not open input file.\n"); exit(1); } while(fgets(b, 256, f)){ if(!strncmp (b, s, l)){ b[strlen(b)-1] = '\0'; if((bp=strchr(b+l+1,'/'))) while (bp){ *bp='\0'; mkdir(b+l, 0700); *bp='/'; bp=strchr(bp+1,'/'); } if((o = fopen(b+l, "w"))) printf("- Extracting %s\n",b+l); else { printf("Could not extract '%s'\n",b+l); exit(1); } } else if(!strncmp (b, e, n)){ if(o) fclose(o); else { printf("Error closing file.\n"); exit(1); } } else if(o) { fputs(b, o); i++; } } if(!i) printf("No extraction tags found.\n"); return(0); }