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https://codeberg.org/privacy1st/arch
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70 lines
2.0 KiB
Bash
70 lines
2.0 KiB
Bash
function newline_to_space() {
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# Replaces all newlines with spaces
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# $1: name of variable
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local -n ptr=$1
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# Replace newlines with spaces
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# See bash string substitution: https://gist.github.com/JPvRiel/b279524d3e56229a896477cb8082a72b
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# echo "replacing newlines in str: -->$ptr<--"
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ptr="${ptr//$'\n'/' '}"
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# echo "new str is: -->$ptr<--"
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}
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function newline_separated_to_array() {
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# Watch out for tailing newlines as these will get an empty array entry at the end.
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# $1 and $2 can be equal (if the result shall be written to the input variable)
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#
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# $1: name of variable with newline separated list
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# $2: name of array to store values into
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local -n ptr=$1
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local -n ptr2=$2
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# ptr newline separated list.
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# Store this as array ptr2.
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readarray -t ptr2 <<<"$ptr"
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}
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function space_separated_to_array() {
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# $1: name of variable with space separated list
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# $2: name of array to store values into
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local -n ptr=$1
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local -n ptr2=$2
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# ptr space separated list.
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# Store this as array ptr2.
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# Without newline at last array element: https://unix.stackexchange.com/a/519917/315162
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readarray -d " " -t ptr2 < <(printf '%s' "$ptr")
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}
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function get_block_devices() {
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# return: the following variables:
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# BLOCK_DEVICES (array with one entry for each block device)
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# Get list of devices, one per line
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BLOCK_DEVICES=$(lsblk -dplnx size -o name | grep -Ev "boot|rpmb|loop" | tac)
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newline_separated_to_array BLOCK_DEVICES BLOCK_DEVICES
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}
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function get_block_devices_with_size() {
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# return: the following variables:
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# BLOCK_DEVICE_SIZES (array with two entries for each block device: device path and device size)
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# Get list of devices and their sizes, one pair per line
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# Use sed to remove multiple white spaces: sed 's|\s\s*| |'
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BLOCK_DEVICE_SIZES="$(lsblk -dplnx size -o name,size | grep -Ev "boot|rpmb|loop" | sed 's|\s\s*| |' | tac)"
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newline_to_space BLOCK_DEVICE_SIZES
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space_separated_to_array BLOCK_DEVICE_SIZES BLOCK_DEVICE_SIZES
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# # DEBUG
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# for i in "${BLOCK_DEVICE_SIZES[@]}"; do
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# echo "<$i>"
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# done
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# exit
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}
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