Better arg parsing and updated docs

bb.1

@@ -7,6 +7,7 @@ bb \- A bitty browser for command line file management
 .B bb
 [\fI-d\fR]
 [\fI-s\fR]
+[\fI-0\fR]
 [\fIdirectory\fR]
 .SH DESCRIPTION
 \fBbb\fR is a tiny TUI console application for browsing and managing files.
@@ -17,6 +18,10 @@ Print the current directory on exit.
 .B \-s
 Print the selected files on exit.
 
+.B \-s
+If printing the selected files on exit, use NULL-terminated strings instead of
+newline-separated.
+
 .B directory
 Open to this directory.
 
@@ -48,7 +53,7 @@ Begin browsing in /usr/local/
 
 .TP
 .B
-bb -s | xargs zip archive.zip
+bb -s -0 | xargs -0 zip archive.zip
 Select some files to add to a zip archive.
 
 .TP

bb.c

@@ -952,13 +952,25 @@ int main(int argc, char *argv[])
     char sep = '\n';
     int print_dir = 0, print_selection = 0;
     for (int i = 1; i < argc; i++) {
-        if (strcmp(argv[i], "-d") == 0) {
+        if (argv[i][0] == '-' && argv[i][1] == '-')
+            continue;
+        if (argv[i][0] == '-') {
+            for (char *c = &argv[i][1]; *c; c++) {
+                switch (*c) {
+                    case 'd':
                         print_dir = 1;
-        } else if (strcmp(argv[i], "-0") == 0) {
+                        break;
+                    case '0':
                         sep = '\0';
-        } else if (strcmp(argv[i], "-s") == 0) {
+                        break;
+                    case 's':
                         print_selection = 1;
-        } else if (path[0]) {
+                        break;
+                }
+            }
+            continue;
+        }
+        if (argv[i][0]) {
             path = argv[i];
             break;
         }