Added all previous files

lab5/part2/mysayings.c

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+// Author: Owen Dorweiler
+// Class: Fundementals of Computing
+// Assignment: Lab 5, Part 2
+// Due: 13 October 2024
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#define MAX_LINES 50
+#define MAX_LENGTH 256
+
+int printMenu();
+void rmNewLine(char *str);
+void printSayings(char sayings[][MAX_LENGTH], int);
+void addSaying(char sayings[][MAX_LENGTH], int*);
+void contains(char sayings[][MAX_LENGTH], int);
+void saveToFile(char sayings[][MAX_LENGTH], int);
+
+int main() {
+   char filename[31];
+   char sayings[MAX_LINES][MAX_LENGTH];
+   int lineCount = 0;
+   int choice;
+   
+   // Get file name from user
+   printf("Enter sayings file name: ");
+   scanf("%30s", filename);
+   
+   // Open file, display error if no match
+   FILE *file = fopen(filename, "r");
+   if (file == NULL) {
+      printf("Error opening file. Restart program and try again.\n");
+      return -1;
+   }
+   
+   // Transfer file contents to array
+   while (lineCount < MAX_LINES && fgets(sayings[lineCount], MAX_LENGTH, file) != NULL) {
+      // Remove new line character
+      rmNewLine(sayings[lineCount]); 
+      lineCount++;
+   }
+   
+   fclose(file);
+
+   // Print menu and get choice from user
+   choice = printMenu();
+
+   // Call functions based on input; give error if not 1-5
+   while (choice != 5) {
+      switch (choice) {
+	 case 1:
+	    printSayings(sayings, lineCount);
+	    break;
+	 case 2:
+	    addSaying(sayings, &lineCount);
+	    break;
+	 case 3:
+	    contains(sayings, lineCount);
+	    break;
+	 case 4:
+	    saveToFile(sayings, lineCount);
+	    break;
+	 default:
+	    printf("Invalid selection. Please try again.\n");
+      }
+
+      choice = printMenu();
+   }
+   
+   return 0;
+}
+
+// Removes new line character from any string input
+void rmNewLine(char *str) {
+   int length = strlen(str);
+   if (length > 0 && str[length - 1] == '\n')
+      str[length - 1] = '\0';
+}
+
+int printMenu() {
+   int choice;
+   
+   printf("\n1) Display all sayings\n");
+   printf("2) Enter a new saying\n");
+   printf("3) List sayings containing search term\n");
+   printf("4) Save sayings to new text file\n");
+   printf("5) Quit the program\n\n");
+   printf("Make a selection: ");
+   scanf("%d", &choice);
+   
+   printf("\n");
+   return choice;
+}
+
+void printSayings(char sayings[][MAX_LENGTH], int lineCount) {
+   for (int i = 0; i < lineCount; i++) {
+      printf("%s\n", sayings[i]);
+   }
+}
+
+void addSaying(char sayings[][MAX_LENGTH], int *lineCount) {
+   if (*lineCount < 30) {
+      printf("Enter saying: ");
+
+      // Remove new line character from buffer
+      getchar();
+      fgets(sayings[*lineCount], MAX_LENGTH, stdin);
+
+      // Remove new line character
+      rmNewLine(sayings[*lineCount]);
+
+      printf("Saying added successfully.\n");
+
+      (*lineCount)++;
+   }
+   else printf("Maximum number of sayings reached.\n");
+}
+
+void contains(char sayings[][MAX_LENGTH], int lineCount) {
+   char substring[MAX_LENGTH];
+   
+   printf("Enter search term (lowercase): ");
+   getchar();
+
+   fgets(substring, MAX_LENGTH, stdin);
+   rmNewLine(substring);
+   
+   // Loop, converting strings to lowercase; output original string if match
+   for (int i = 0; i < lineCount; i++) {
+      char lowerString[MAX_LENGTH] = {};
+      for (int j = 0; j < strlen(sayings[i]); j++)
+	 lowerString[j] = tolower(sayings[i][j]);
+      
+      if (strstr(lowerString, substring))
+	 printf("%s\n", sayings[i]);
+   }
+}
+
+void saveToFile(char sayings[][MAX_LENGTH], int lineCount) {
+   char filename[31];
+   
+   printf("Enter a file name: ");
+   scanf("%30s", filename);
+
+   FILE *file = fopen(filename, "w");
+   
+   // Write to file line by line
+   for (int i = 0; i < lineCount; i++)
+      fprintf(file, "%s\n", sayings[i]);
+   
+   fclose(file);
+
+   printf("Saved to %s successfully.\n", filename);
+}

lab5/part2/startup.txt

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+i'll be back
+with great power comes great expectations
+to infinity and beyond
+you miss 100% of the shots you don't take
+put fries in the bag
+don't count your chickens before they hatch
+but that's just a theory
+go irish beat cardinal