Created
May 10, 2021 23:38
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Get only the text from a webpage
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#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <stdbool.h> | |
#define SIZE 999999 | |
#define WORD 255 | |
int n; | |
int m; | |
int i; | |
int j; | |
long fsize; | |
int command(char input[WORD]) | |
{ | |
system(input); | |
return 0; | |
} | |
int main(int argc, char **argv) | |
{ | |
char **array_in; | |
char **array_out; | |
array_in = (char **)malloc(sizeof(char *)*SIZE); | |
array_out = (char **)malloc(sizeof(char *)*SIZE); | |
for(i = 0; i < SIZE; i++) | |
{ | |
array_in[i] = (char *)malloc(sizeof(char)*WORD); | |
array_out[i] = (char *)malloc(sizeof(char)*WORD); | |
} | |
char temp[WORD]; | |
FILE * file; | |
FILE * text; | |
if (argc > 2) { printf("Too many arguments\n"); exit(1); } | |
strcpy(temp, "curl -k "); strcat(temp, argv[1]); strcat(temp, " -o scrape.html"); | |
command( temp ); | |
command("tidy -q -asxml --numeric-entities yes scrape.html >scrape.xml"); | |
command("rm scrape.html"); | |
file = fopen("scrape.xml", "r"); | |
n = 0; | |
while( fgets(array_in[n], WORD, (FILE*)file) ){ n++; } | |
fclose(file); | |
command("rm scrape.xml"); | |
bool toggle = false; | |
for (i = 0; i < n; i++) | |
{ | |
m = 0; | |
for (j = 0; j < WORD; j++) | |
{ | |
if (array_in[i][j] == '<') | |
{ | |
toggle = false; | |
} | |
if (toggle) | |
{ | |
array_out[i][m] = array_in[i][j]; | |
m++; | |
} | |
if (array_in[i][j] == '>') | |
{ | |
toggle = true; | |
} | |
} | |
if (i == SIZE-1) | |
{ | |
printf("Array ran out of space\n"); | |
} | |
} | |
text = fopen("scrape.txt", "w"); | |
for (i = 0; i < SIZE; i++) | |
{ | |
if ( (array_out[i][0] != '\n') && (array_out[i][0] != '\0') ) | |
{ | |
fprintf(text, "%s", array_out[i]); | |
} | |
} | |
fclose(text); | |
free(array_in); | |
free(array_out); | |
return 0; | |
} |
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