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25 lines
473 B
Bash
Executable File
25 lines
473 B
Bash
Executable File
#!/usr/bin/env bash
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set -e;
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DEVICE=`readlink -f ${DEVICE}`
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REGEXP='/dev/n?st([0-9]+)[alm]?'
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if [[ ! $DEVICE =~ $REGEXP ]]; then
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echo "'$DEVICE' doesn't match" >&2
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exit 1
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fi
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NUM="${BASH_REMATCH[1]}"
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TRIES=("/dev/nst${NUM}" "/dev/st${NUM}")
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for TRY in ${TRIES[@]}; do
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SG_DEVICE=`sg_map | grep ${TRY} || echo ''`;
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if [[ $SG_DEVICE != "" ]]; then
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echo $SG_DEVICE | awk '{print $1}'
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exit 0;
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fi
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done
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echo "'$DEVICE' not found" >&2
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exit 1
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