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-rw-r--r--toys/posix/cat.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/toys/posix/cat.c b/toys/posix/cat.c
index 01134a72..3aae4a19 100644
--- a/toys/posix/cat.c
+++ b/toys/posix/cat.c
@@ -57,7 +57,10 @@ static void do_cat(int fd, char *name)
for(;;) {
len = read(fd, toybuf, size);
- if (len < 0) toys.exitval = EXIT_FAILURE;
+ if (len < 0) {
+ toys.exitval = EXIT_FAILURE;
+ perror_msg("%s", name);
+ }
if (len < 1) break;
if ((CFG_CAT_V || CFG_CATV) && (toys.optflags&~FLAG_u)) {
for (i=0; i<len; i++) {