Merge branch 'commandlineoptions'

- version added
- ls-like sorting flags
- usage info
- closes #13

fuf.c

@@ -400,11 +400,57 @@ refresh_layout()
 	start_preview(load_preview);
 }
 
+static void
+usage()
+{
+	fputs("usage: fuf [-aAsStTvh] [PATH]\n"
+			"-a\tsort alphabetical, this is default\n"
+			"-A\tsort alphabetical, reversed\n"
+			"-s\tsort by size\n"
+			"-S\tsort by size, reversed\n"
+			"-t\tsort by time\n"
+			"-T\tsort by time, resersed\n"
+			"-v\tversion info\n"
+			"-h\tusage info\n", stderr);
+	exit(1);
+}
+
 int
 main(int argc, char *argv[])
 {
 	if (argc > 1) {
-		chdir(argv[1]);
+		chdir(argv[argc-1]);
+	}
+
+	/* handle options */
+	char c;
+	if ((c = getopt(argc, argv, "aAsStTvh")) != -1) {
+		switch (c) {
+			case 'a':
+				sort = alpha_cmp;
+				break;
+			case 'A':
+				sort = Alpha_cmp;
+				break;
+			case 's':
+				sort = size_cmp;
+				break;
+			case 'S':
+				sort = Size_cmp;
+				break;
+			case 't':
+				sort = time_cmp;
+				break;
+			case 'T':
+				sort = Time_cmp;
+				break;
+			case 'v':
+				puts("fuf-"VERSION);
+				exit(0);
+			case 'h':
+			default:
+				usage();
+		}
 	}
 
 	init();

makefile

@@ -1,4 +1,5 @@
 NAME = fuf
+VERSION = 0.1
 CFLAGS = 
 LIBS = -lncurses -lpthread
 SRC = ${NAME}.c ext/colors.c ext/sort.c ext/thr.c ext/sysext.c
@@ -8,7 +9,7 @@ CC = gcc
 
 .c.o: 
 	@echo CC -c ${CFLAGS} $<
-	@${CC} -c ${CFLAGS} $< ${LIBS} -o ${<:.c=.o}
+	@${CC} -c ${CFLAGS} -DVERSION=\"${VERSION}\" $< ${LIBS} -o ${<:.c=.o}
 
 ${NAME}: ${SRC} ${OBJ} 
 	@echo CC -o $@