added -c

skratch.c

@@ -1,3 +1,4 @@
+#include <dirent.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -20,11 +21,11 @@ struct Flags
 void set_editor(struct Flags *f)
 {
 	char *ed;
-	if (f->use_v) 
+	if (f->use_v)
 	        ed = getenv("VISUAL");
 	else 
 		ed = getenv("EDITOR");
-	if (ed != NULL)
+	if (ed)
 		strcpy(f->editor, ed);
 	else
 		strcpy(f->editor, "vi");
@@ -69,16 +70,54 @@ int make_skratch_path(struct Flags *f)
 	return 0;
 }
 
+int list_files(struct Flags *f, int delete)
+{
+	DIR *d = opendir(f->skratch_path);
+	if (d == NULL) return 5;
+	struct dirent *dir;
+	if (d)
+	{
+		while ((dir = readdir(d)) != NULL)
+		{	
+			char fn[4096];
+			strcpy(fn,dir->d_name);
+			if (!strcmp(".",fn) || !strcmp("..",fn))
+			{
+				continue;
+			}
+			if (delete)
+			{
+				char fp[4096];
+				snprintf(fp, sizeof(fp), "%s/%s", f->skratch_path, dir->d_name);
+				remove(fp);
+			}
+			else printf("%s\n", dir->d_name);
+
+		}
+		closedir(d);
+	}
+	return 0;
+}
+
+int delete_files(struct Flags *f)
+{
+	list_files(f, 0);
+	printf("Delete the listed files? [y/N] ");
+	char choice = 'N';
+	scanf(" %c", &choice);
+	if (choice == 'y' || choice == 'Y')
+	{
+		list_files(f, 1);
+	}
+	return 0;
+}
+
 int main(int argc, char *argv[])
 {
+	int delete = 0;
 	struct Flags f = {.use_v = 0, .filename="skratchXXXXXX"};
 	make_skratch_path(&f);
 	
-	if (argc == 1)
-	{
-		set_editor(&f);
-		make_skratch_file(&f);
-	}
 	char arg;
 	for (int i = 1; i < argc; i++)
 	{
@@ -103,28 +142,24 @@ int main(int argc, char *argv[])
 		switch (arg)
 		{
 			case 'c':
-				//delete all .skratch files
+				delete_files(&f);
-				printf("CLEAR!\n");
+				return 0;
-				break;
 
 			case 'l':
-				//list all .skratch files
+				list_files(&f, delete);
-				printf("LIST!\n");
+				return 0;
-				break;
 			case 'v':
-				//use visual editor
+				f.use_v = 1;
-				printf("VISUAL!\n");
 				break;
 			default:
 				printf("Unknown Arg %c",arg);
+				return 5;
 		}
 	}
-	printf("Filename: %s\n",f.filename);
-	make_skratch_file(&f);
 	set_editor(&f);
+	make_skratch_file(&f);
 	char *args[2];
 	args[0] = f.editor;
 	args[1] = f.file_path;
-	printf("%s %s\n", f.editor, args[1]);
 	execvp(f.editor,args);
 }