Add new file

Jordan Brodie 243483MVEB Test1.c

+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define MAX_RECORDS 50
+#define MAX_LINE_LENGTH 20
+
+typedef struct
+{
+    char jr[4]; 
+    int number;
+    char hex[10];
+} Record;
+
+int read_file(const char *filename, Record records[], int *length);
+void write_file(const char *filename, Record records[], int length);
+void convert_to_hex(int number, char *hex);
+int is_faulty_record(const char *line);
+int get_file_length(const char *filename);
+
+int main()
+{
+    Record records[MAX_RECORDS];
+    int length = 0;
+
+    int file_length = get_file_length("AN.txt");
+    printf("Length of the file: %d lines\n", file_length);
+
+    if (read_file("AN.txt", records, &length) != 0)
+    {
+        printf("Error reading input file.\n");
+        return 1;
+    }
+
+    for (int i = 0; i < length; i++)
+    {
+        convert_to_hex(records[i].number, records[i].hex);
+    }
+
+    write_file("TUL.txt", records, length);
+
+    printf("Processed Records:\n");
+    printf("Jnr. I Number I Hex\n");
+    for (int i = 0; i < length; i++)
+    {
+        printf("%-4d I %-6d I %-4s\n", i + 1, records[i].number, records[i].hex);
+    }
+
+    return 0;
+}
+
+int read_file(const char *filename, Record records[], int *length)
+{
+    FILE *file = fopen(filename, "r");
+    if (file == NULL)
+    {
+        return 1;
+    }
+
+    char line[MAX_LINE_LENGTH];
+    int index = 0;
+
+    while (fgets(line, sizeof(line), file) != NULL)
+    {
+        if (is_faulty_record(line))
+        {
+            printf("Faulty record detected: %s", line);
+            continue;
+        }
+
+        sscanf(line, "%3s %d", records[index].jr, &records[index].number);
+        records[index].jr[3] = '\0'; // Ensure null termination
+        index++;
+        if (index >= MAX_RECORDS)
+        {
+            break;
+        }
+    }
+
+    *length = index;
+    fclose(file);
+    return 0;
+}
+
+void write_file(const char *filename, Record records[], int length)
+{
+    FILE *file = fopen(filename, "w");
+    if (file == NULL)
+    {
+        printf("Error opening output file.\n");
+        return;
+    }
+
+    fprintf(file, "Jnr. I Number I Hex\n");
+    for (int i = 0; i < length; i++)
+    {
+        fprintf(file, "%-4d I %-6d I %-4s\n", i + 1, records[i].number, records[i].hex);
+    }
+
+    fclose(file);
+}
+
+void convert_to_hex(int number, char *hex)
+{
+    sprintf(hex, "%X", number);
+}
+
+int is_faulty_record(const char *line)
+{
+    char jr[4];
+    int number;
+    if (sscanf(line, "%3s %d", jr, &number) != 2 || number >= 4444)
+    {
+        return 1;
+    }
+    return 0;
+}
+
+int get_file_length(const char *filename)
+{
+    FILE *file = fopen(filename, "r");
+    if (file == NULL)
+    {
+        return -1;
+    }
+
+    int count = 0;
+    char line[MAX_LINE_LENGTH];
+    while (fgets(line, sizeof(line), file) != NULL)
+    {
+        count++;
+    }
+
+    fclose(file);
+    return count;
+}