user/shell: use perror

2 files changed, 3 insertions, 4 deletions

diff --git a/src/user/app/shell/builtins.c b/src/user/app/shell/builtins.c
index 0098773..bc7731c 100644
--- a/src/user/app/shell/builtins.c
+++ b/src/user/app/shell/builtins.c
@@ -24,7 +24,7 @@ static void cmd_cat(int argc, char **argv) {
 	for (int i = 1; i < argc; i++) {
 		FILE *file = fopen(argv[i], "r");
 		if (!file) {
-			eprintf("couldn't open %s", argv[i]);
+			perror(argv[i]);
 			return;
 		}
 		if (!strcmp(argv[i], "!stdin")) fextflags(file, FEXT_NOFILL);
@@ -227,7 +227,7 @@ static void cmd_touch(int argc, char **argv) {
 
 	for (int i = 1; i < argc; i++) {
 		FILE *f = fopen(argv[i], "a");
-		if (!f) eprintf("couldn't touch %s\n", argv[i]);
+		if (!f) perror(argv[i]);
 		fclose(f);
 	}
 }
diff --git a/src/user/app/shell/shell.c b/src/user/app/shell/shell.c
index 0c92410..290102e 100644
--- a/src/user/app/shell/shell.c
+++ b/src/user/app/shell/shell.c
@@ -50,8 +50,7 @@ void run_args(int argc, char **argv, struct redir *redir) {
 		return;
 	} else if (!strcmp(argv[0], "cd")) {
 		if (chdir(argc > 1 ? argv[1] : "/") < 0)
-			eprintf("error");
-		// TODO strerror
+			perror("cd");
 		return;
 	} else if (!strcmp(argv[0], "time")) {
 		uint64_t time = __rdtsc();