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13 lines
238 B
Bash
Executable File
13 lines
238 B
Bash
Executable File
#!/bin/sh
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ALIASES="/proc/device-tree/aliases"
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UARTX="uart${1}"
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if [ $(cat ${ALIASES}/${UARTX}) = $(cat ${ALIASES}/serial0) ]; then
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echo 0
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elif [ $(cat ${ALIASES}/${UARTX}) = $(cat ${ALIASES}/serial1) ]; then
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echo 1
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else
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exit 1
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fi
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