5 lines
140 B
Bash
Executable File
5 lines
140 B
Bash
Executable File
#!/bin/bash
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#rm /tmp/signal > /dev/null 2>&1
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mkfifo /tmp/signal > /dev/null 2>&1
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tail -n 1 /tmp/signal > /dev/null 2>&1 && exit 0 || exit 1
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