Create listis.c

apps/listis.c

@@ -0,0 +1,69 @@
+/* Listis is the program for lists */
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+void deleten(char *);
+void deleten(char *bar)
+{
+  bar[strlen(bar) - 1] = '\0';
+}
+int main(void)
+{
+  puts("\t\tListis\tCopyright (C) 2024 AnatoliyL\n");
+  puts("This program comes with ABSOLUTELY NO WARRANTY\nThis is free software, and you are welcome to redistribute it under GNU GPL license conditions\n");
+  for (int i = 0; i < 5; i++)
+    putchar('\n');
+  puts("To watch existing list, press 'o', to create new, press 'n'\n");
+  int v = getchar();
+  if (v == 'o')
+    {
+      char name[512];
+      fgets(name, 512, stdin);
+      deleten(name);
+      FILE *f = fopen(name, "r");
+      if (!f)
+        {
+          printf("Error! List called %s doesn't exist!\n", name);
+          return (1);
+        }
+      else
+        {
+          int c = 0;
+	        while ((c = getc(f)) != EOF)
+	          {
+              putchar(c);
+            }
+	          putchar('\n');
+        }
+      return (0);
+    }
+  else if (v == 'n')
+    {
+      puts("What do you want to add to your list?\n");
+      char ls[256][256] = {0};
+      getchar();
+      for (int i = 0; i < 256; i++)
+        {
+	      puts("> ");
+	      fgets(ls[i], 255, stdin);
+	      if (strcmp(ls[i], "EOF\n") == 0)
+	        {
+	          ls[i][0] = '\0';
+	          ls[i][1] = '\0';
+	          ls[i][2] = '\0';
+            break;
+	        }
+        }
+      puts("Name your list:\t");
+      char name[256] = {0};
+      fgets(name, 255, stdin);
+      deleten(name);
+      FILE *f = fopen(name, "w");
+      for (int i = 0; i < 255; i++)
+         {
+           fputs(ls[i], f);
+         }
+     fclose(f);
+  }
+  return (0);
+}