UNIX for Beginners Questions & Answers

char *testarray[]={"Zero", "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine"};

#include "array.txt"

Zero
One
Two
Three
Four
Five
Six
Seven
Eight
Nine

( echo "static char *testarray[]={" ; xargs printf "\"%s\"," < arr ; echo "};" ) > array.h

cat text.txt
>the table stands at the window

cat test.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main() {
	int i;
//	char **testarr = (char**)malloc(sizeof(char*));
	char *dl = ", \t\n";
	char *word;
	FILE *file;
	file = fopen("text.txt", "r");

	fseek(file, 0l, SEEK_END);
	long size = ftell(file);
	char *buf = (char*)malloc(size * sizeof(char));
	fseek(file, 0l, SEEK_SET);
	fread(buf, sizeof(char), size, file);
	fclose(file);

	char **testarr = (char**)malloc(size * sizeof(char*));
	word = strtok(buf, dl);
	for(i=0; word != NULL; i++) {
		testarr[i] = (char*)malloc(strlen(word));
		strcpy(testarr[i], word);
		word = strtok(NULL, dl);
	}
        free(buf);

	for(int j = 0; j < i; j++) {
		printf("%s\n", testarr[j]);
                free(testarr[j]);
        }
        free(testarr);
}

./test
the
table
stands
at
the
window

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main() {
	int i;
	char *dl = ", \t\n";
	char *word;
	FILE *file;
	file = fopen("text.txt", "r");

	fseek(file, 0l, SEEK_END);
	long size = ftell(file);
	char *buf = (char*)malloc(size * sizeof(char) + 1);
	fseek(file, 0l, SEEK_SET);
	fread(buf, sizeof(char), size, file);
	fclose(file);

	char **testarr = (char**)malloc(sizeof(char*));
	word = strtok(buf, dl);
	for(i=0; word != NULL; i++) {
		testarr = (char**)realloc(testarr, sizeof(char*) + sizeof(char*) * i);
		testarr[i] = (char*)malloc(strlen(word) + 1);
		strcpy(testarr[i], word);
		word = strtok(NULL, dl);
	}
	free(buf);

	for(int j = 0; j < i; j++) {
		printf("%s\n", testarr[j]);
		free(testarr[j]);
	}
	free(testarr);
}

cat text.txt
the table stands at the window
and the picture hang on the wall

./test
the
table
stands
at
the
window
and
pucture
hung
on
the
wall