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Diffstat (limited to 'src/user/app/shell/builtins.c')
-rw-r--r--src/user/app/shell/builtins.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/user/app/shell/builtins.c b/src/user/app/shell/builtins.c
index 4a7b79c..23a8221 100644
--- a/src/user/app/shell/builtins.c
+++ b/src/user/app/shell/builtins.c
@@ -26,6 +26,7 @@ static void cmd_cat(int argc, char **argv) {
eprintf("couldn't open %s", argv[i]);
return;
}
+ if (!strcmp(argv[i], "!stdin")) fextflags(file, FEXT_NOFILL);
for (;;) {
int len = fread(buf, 1, sizeof buf, file);
if (len <= 0) break;
@@ -76,10 +77,11 @@ void cmd_hexdump(int argc, char **argv) {
bool canonical = !strcmp(argv[0], "hd");
size_t readlen = ~0;
size_t pos = 0;
+ bool raw = false;
int c;
optind = 0;
- while ((c = getopt(argc, argv, "Cn:s:")) != -1) {
+ while ((c = getopt(argc, argv, "Cn:s:r")) != -1) {
switch (c) {
case 'C':
canonical = true;
@@ -90,6 +92,9 @@ void cmd_hexdump(int argc, char **argv) {
case 's':
pos = strtol(optarg, NULL, 0);
break;
+ case 'r': /* "raw" mode, print data as soon as it's read without buffering */
+ raw = true;
+ break;
default:
return;
}
@@ -103,6 +108,7 @@ void cmd_hexdump(int argc, char **argv) {
eprintf("couldn't open %s", argv[optind]);
return;
}
+ if (raw) fextflags(file, FEXT_NOFILL);
fseek(file, pos, SEEK_SET);
bool skipped = false;
while (pos < readlen) {