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teknoraver/parentdev.sh

Created July 13, 2023 13:17
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Given a partitioned block device, return the device representing the whole disk
Raw
parentdev.sh
#!/bin/sh
dev=$1
dev=$(realpath "$dev")
dev=$(basename "$dev")
sys="/sys/class/block/$dev"
if [ -f "$sys/partition" ]; then
dev=$(realpath "$sys/..")
dev=$(basename "$dev")
fi
echo "/dev/$dev"
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