Please fill in the code. I can provide the files as well, but that shouldn't be particularly important.

* Input: Tab-delimited file(s) to analyze. * Output: Summary information about the data. * * Compile: gcc -g -Wall -o climate climate.c * (or run make) * * Run: ./climate data_tn.tdv data_wa.tdv * * * Opening file: data_tn.tdv * Opening file: data_wa.tdv * States found: TN WA * -- State: TN -- * Number of Records: 17097 * Average Humidity: 49.4% * Average Temperature: 58.3F * Max Temperature: 110.4F on Mon Aug 3 11:00:00 2015 * Min Temperature: -11.1F on Fri Feb 20 04:00:00 2015 * Lightning Strikes: 781 * Records with Snow Cover: 107 * Average Cloud Cover: 53.0% * -- State: WA -- * Number of Records: 48357 * Average Humidity: 61.3% * Average Temperature: 52.9F * Max Temperature: 125.7F on Sun Jun 28 17:00:00 2015 * Min Temperature: -18.7F on Wed Dec 30 04:00:00 2015 * Lightning Strikes: 1190 * Records with Snow Cover: 1383 * Average Cloud Cover: 54.5% * * TDV format: * * CA 1428300000000 9prc 93.0 0.0 100.0 0.0 95644.0 277.58716 * CA 1430308800000 9prc 4.0 0.0 100.0 0.0 99226.0 282.63037 * CA 1428559200000 9prr 61.0 0.0 0.0 0.0 102112.0 285.07513 * CA 1428192000000 9prk 57.0 0.0 100.0 0.0 101765.0 285.21332 * CA 1428170400000 9prd 73.0 0.0 22.0 0.0 102074.0 285.10425 * CA 1429768800000 9pr6 38.0 0.0 0.0 0.0 101679.0 283.9342 * CA 1428127200000 9prj 98.0 0.0 100.0 0.0 102343.0 285.75 * CA 1428408000000 9pr4 93.0 0.0 100.0 0.0 100645.0 285.82413 * * Each field is separated by a tab character \t and ends with a newline . * * Fields: * state code (e.g., CA, TX, etc), * timestamp (time of observation as a UNIX timestamp), * geolocation (geohash string), * humidity (0 - 100%), * snow (1 = snow present, 0 = no snow), * cloud cover (0 - 100%), * lightning strikes (1 = lightning strike, 0 = no lightning), * pressure (Pa), * surface temperature (Kelvin) */

#include #include #include #include #include

#define NUM_STATES 50

/* TODO: Add elements to the climate_info struct as necessary. */ struct climate_info { char code[3]; unsigned long num_records; long double sum_temperature; };

void analyze_file(FILE *file, struct climate_info *states[], int num_states); void print_report(struct climate_info *states[], int num_states);

int main(int argc, char *argv[]) {

/* TODO: fix this conditional. You should be able to read multiple files. */ if (argc != 0) { printf("Usage: %s tdv_file1 tdv_file2 ... tdv_fileN ", argv[0]); return EXIT_FAILURE; }

/* Let's create an array to store our state data in. As we know, there are * 50 US states. */ struct climate_info *states[NUM_STATES] = { NULL };

int i; for (i = 1; i < argc; ++i) { /* TODO: Open the file for reading */ FILE *file = fopen(argv[1], "r");

/* TODO: If the file doesn't exist, print an error message and move on * to the next file. */

if ((file = fopen(argv[1], "r")) == NULL) {

printf("File doesn't exist, moving on! ");

}

/* TODO: Analyze the file */ /* analyze_file(file, states, NUM_STATES); */ }

/* Now that we have recorded data for each file, we'll summarize them: */ print_report(states, NUM_STATES);

return 0; }

/* TODO function documentation */ void analyze_file(FILE *file, struct climate_info **states, int num_states) { const int line_sz = 100; char line[line_sz]; while (fgets(line, line_sz, file) != NULL) {

/* TODO: We need to do a few things here: * * * Tokenize the line. * * Determine what state the line is for. This will be the state * code, stored as our first token. * * If our states array doesn't have a climate_info entry for * this state, then we need to allocate memory for it and put it * in the next open place in the array. Otherwise, we reuse the * existing entry. * * Update the climate_info structure as necessary. */

} }

/* TODO function documentation */ void print_report(struct climate_info *states[], int num_states) { printf("States found: "); int i; for (i = 0; i < num_states; ++i) { if (states[i] != NULL) { struct climate_info *info = states[i]; printf("%s ", info->code); } } printf(" ");

/* TODO: Print out the summary for each state. See format above. */ }