doc/flux-kvs(1): Add ls subcommand.

doc/man1/flux-kvs.adoc

@@ -50,6 +50,15 @@ Retrieve the value stored under 'key'.  If nothing has been stored under
 Store 'value' under 'key' and commit it.  If it already has a value,
 overwrite it.
 
+*ls* [-R] [-d] [-C] [-1|-C] [-w COLS] [-F] ['key' ...]::
+Display directory referred to by _key_, or "." (root) if unspecified.
+Options are roughly equivalent to a subset of ls(1) options.
+'-R' lists directory recursively.  '-d' displays directory not its contents.
+'-F' classifies files with one character suffix (. is directory, @ is symlink).
+'-1' causes output to be displayed in one column, or '-C' cause output to
+be displayed in multiple columns (default).  '-w COLS' sets the terminal width
+in characters.
+
 *dir* [-R] [-d] ['key']::
 Display all keys and their values under the directory 'key'.
 If 'key' does not exist or is not a directory, display an error message.

src/cmd/flux-kvs.c

@@ -25,7 +25,6 @@
 #if HAVE_CONFIG_H
 #include "config.h"
 #endif
-#include <sys/ioctl.h>
 #include <flux/core.h>
 #include <flux/optparse.h>
 #include <unistd.h>