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#!/bin/sh
# Smoke test for iotop-c basic output functionality.
# Verify that iotop-c can run in batch mode and produce usable output.
set -eu
# Remove the known iotop-c warning about task_delayacct being disabled.
# All other stderr output is preserved and should be treated as errors.
filter_stderr() {
sed '/task_delayacct is 0/d'
}
cleanup() {
rm -f "$out" "$err" "$filtered_err"
}
trap cleanup EXIT
out=$(mktemp)
err=$(mktemp)
filtered_err=$(mktemp)
iotop-c -b -n 1 >"$out" 2>"$err" || true
filter_stderr <"$err" >"$filtered_err"
[ ! -s "$filtered_err" ]
grep -q "Total DISK READ" "$out"
grep -q "DISK WRITE" "$out"
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