cmd_test: implement -e test for file existence
This is much like a regular shell's -e operator, except that it takes
multiple arguments to specify the device type and device/partition ID
in addition to the usual filename:
if test -e mmc 0:1 /boot/boot.scr; then echo yes; else echo no; fi
Signed-off-by: Stephen Warren <swarren@nvidia.com>
diff --git a/common/cmd_test.c b/common/cmd_test.c
index 4c2f967..c93fe78 100644
--- a/common/cmd_test.c
+++ b/common/cmd_test.c
@@ -16,6 +16,7 @@
#include <common.h>
#include <command.h>
+#include <fs.h>
#define OP_INVALID 0
#define OP_NOT 1
@@ -33,6 +34,7 @@
#define OP_INT_LE 13
#define OP_INT_GT 14
#define OP_INT_GE 15
+#define OP_FILE_EXISTS 16
const struct {
int arg;
@@ -55,6 +57,7 @@
{0, "-a", OP_AND, 1},
{0, "-z", OP_STR_EMPTY, 2},
{0, "-n", OP_STR_NEMPTY, 2},
+ {0, "-e", OP_FILE_EXISTS, 4},
};
static int do_test(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
@@ -143,6 +146,9 @@
expr = simple_strtol(ap[0], NULL, 10) >=
simple_strtol(ap[2], NULL, 10);
break;
+ case OP_FILE_EXISTS:
+ expr = file_exists(ap[1], ap[2], ap[3], FS_TYPE_ANY);
+ break;
}
switch (op) {