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17 lines
833 B
Bash
Executable File
17 lines
833 B
Bash
Executable File
#!/usr/bin/env bash
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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. "$CURDIR"/../shell_config.sh
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# A question for curious reader:
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# How to break shell pipeline as soon as 5 lines are found in the following command:
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# ./my-program | head -n5
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# When I tried to do it, pipeline was not actively terminated,
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# unless the my-program will try to output a thousand more lines overflowing pipe buffer and terminating with Broken Pipe.
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# But if my program just output 5 (or slightly more) lines and hang up, the pipeline is not terminated.
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timeout 5 ${CLICKHOUSE_LOCAL} --max_execution_time 10 --query "SELECT DISTINCT number % 5 FROM system.numbers" ||:
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echo '---'
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timeout 5 ${CLICKHOUSE_CURL} -sS --no-buffer "${CLICKHOUSE_URL}&max_execution_time=10" --data-binary "SELECT DISTINCT number % 5 FROM system.numbers" ||:
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echo '---'
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