From: Charles Duffy <chadu...@cisco.com>
- Explicitly flush stdout before sleep between iterations
- Only clear user keystrokes when output is to TTY
- Add a newline between output batches when output is not to TTY
---
src/cgtop/cgtop.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/src/cgtop/cgtop.c b/src/cgtop/cgtop.c
index 8a0e075..53e3a64 100644
--- a/src/cgtop/cgtop.c
+++ b/src/cgtop/cgtop.c
@@ -749,6 +749,10 @@ int main(int argc, char *argv[]) {
if (arg_iterations && iteration >= arg_iterations)
break;
+ if (!on_tty()) /* non-TTY: Empty newline as delimiter between
polls */
+ fputs("\n", stdout);
+ fflush(stdout);
+
if (arg_batch) {
usleep(last_refresh + arg_delay - t);
} else {
@@ -762,8 +766,10 @@ int main(int argc, char *argv[]) {
}
}
- fputs("\r \r", stdout);
- fflush(stdout);
+ if (on_tty()) { /* TTY: Clear any user keystroke */
+ fputs("\r \r", stdout);
+ fflush(stdout);
+ }
if (arg_batch)
continue;
--
2.0.0
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