1 files changed, 34 insertions, 0 deletions
diff --git a/ls.c b/ls.c
new file mode 100644
index 0000000..630ee4a
--- /dev/null
+++ b/ls.c
@@ -0,0 +1,34 @@
+#include <dirent.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+int main(int argc, char *argv[])
+{
+  DIR *d;
+  char *dirs;
+  struct dirent *dir;
+  int hidden = 1;
+  int c;
+
+  while ((c = getopt(argc, argv, "a")) != -1) {
+    switch (c) {
+      case 'a': hidden = 0; break;
+    }
+  }
+
+  if (argc > 0) {
+    for (int i = 1; i < argc; i++) {
+      dirs = argv[i];
+      if ((d = opendir(dirs))) {
+        while ((dir = readdir(d)) != NULL) {
+          if (strncmp(dir->d_name, ".", 1) != 0 && hidden) /* dont print hidden files */
+            printf("%s\n", dir->d_name);
+          else if (!hidden)
+            printf("%s\n", dir->d_name);
+        }
+        closedir(d); 
+      }
+    }
+  }
+}