Task 1 -week 2 Jordan Brodie
4.46 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
#include <stdio.h>
#include <string.h>
#define CHAR_LEN 20
#define NUM_PEOPLE 10
/// Define a struct to store personal information
typedef struct
{
char firstName[CHAR_LEN];
char lastName[CHAR_LEN];
char personalCode[CHAR_LEN];
char matrixNumber[CHAR_LEN];
} person_t;
/// Function prototypes
void fileNameFunction(char*, int);
FILE* openFileFunction(char*);
int readData(FILE*, person_t[], int);
void sortData(person_t[], int);
void displaySortedData(person_t[], int);
void writeOutput(person_t[], int, const char*);
void printFileStatus(int);
int main(void)
{
FILE *inputFile;
char inputName[CHAR_LEN];
person_t persons[NUM_PEOPLE];
/// Attempt to open the input file
inputFile = openFileFunction(inputName);
if (inputFile == NULL)
{
printFileStatus(0);
return 1;
}
printFileStatus(1);
/// Read data from the input file
int records = readData(inputFile, persons, NUM_PEOPLE);
fclose(inputFile);
/// Sort the data
sortData(persons, records);
/// Display the sorted data
displaySortedData(persons, records);
/// Write the sorted data to the output file
writeOutput(persons, records, "output.txt");
return 0;
}
/// Prompt the user for the file name
void fileNameFunction(char *inputName, int attempt)
{
printf("What is the file name, %d attempts?\n", attempt);
scanf("%s", inputName);
}
/// Attempt to open the file and return the file pointer
FILE* openFileFunction(char *inputName)
{
FILE *inputFile;
int attempt = 3;
do
{
fileNameFunction(inputName, attempt);
inputFile = fopen(inputName, "r");
if (inputFile != NULL)
{
return inputFile;
}
attempt--;
} while (attempt != 0);
return NULL;
}
/// Read data from the input file and store it in the persons array
int readData(FILE *inputFile, person_t persons[], int maxRecords)
{
char buffer[512];
int counter = 0;
while (fgets(buffer, 512, inputFile) && counter < maxRecords)
{
sscanf(buffer, "%s %s %s %s", persons[counter].firstName, persons[counter].lastName,
persons[counter].personalCode, persons[counter].matrixNumber);
counter++;
}
return counter;
}
/// Sort the data by personal code
void sortData(person_t persons[], int records)
{
for (int i = 0; i < records - 1; i++)
{
for (int j = i + 1; j < records; j++)
{
if (strcmp(persons[i].personalCode, persons[j].personalCode) > 0)
{
person_t temp = persons[i];
persons[i] = persons[j];
persons[j] = temp;
}
}
}
}
/// Display the sorted data on the screen
void displaySortedData(person_t persons[], int records)
{
printf("\nNumber of records is %d\n", records);
printf("\nSorted Men:\n");
for (int i = 0; i < records; i++)
{
if (persons[i].personalCode[0] == '1')
{
printf("%s %s %s %s\n", persons[i].firstName, persons[i].lastName, persons[i].personalCode, persons[i].matrixNumber);
}
}
printf("\nSorted Women:\n");
for (int i = 0; i < records; i++)
{
if (persons[i].personalCode[0] == '2')
{
printf("%s %s %s %s\n", persons[i].firstName, persons[i].lastName, persons[i].personalCode, persons[i].matrixNumber);
}
}
}
/// Write the sorted data to an output file
void writeOutput(person_t persons[], int records, const char *outputFileName)
{
FILE *outputFile = fopen(outputFileName, "w");
if (outputFile == NULL)
{
printf("Error opening output file.\n");
return;
}
fprintf(outputFile, "Men:\n");
for (int i = 0; i < records; i++)
{
if (persons[i].personalCode[0] == '1')
{
fprintf(outputFile, "%s %s %s %s\n", persons[i].firstName, persons[i].lastName, persons[i].personalCode, persons[i].matrixNumber);
}
}
fprintf(outputFile, "\nWomen:\n");
for (int i = 0; i < records; i++)
{
if (persons[i].personalCode[0] == '2')
{
fprintf(outputFile, "%s %s %s %s\n", persons[i].firstName, persons[i].lastName, persons[i].personalCode, persons[i].matrixNumber);
}
}
fclose(outputFile);
}
/// Print file status message
void printFileStatus(int status)
{
if (status == 1)
{
printf("\nFile exists.\n\n");
}
else
{
printf("File does not exist.\n");
}
}