arch/pkg/de-p1st-installer/lib/util.sh

39 lines
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function newline_to_space() {
# Replaces all newlines with spaces
# $1: name of variable
local -n ptr=$1
# Replace newlines with spaces
# See bash string substitution: https://gist.github.com/JPvRiel/b279524d3e56229a896477cb8082a72b
# echo "replacing newlines in str: -->$ptr<--"
ptr="${ptr//$'\n'/' '}"
# echo "new str is: -->$ptr<--"
}
function newline_separated_to_array() {
# Watch out for tailing newlines as these will get an empty array entry at the end.
# $1 and $2 can be equal (if the result shall be written to the input variable)
#
# $1: name of variable with newline separated list
# $2: name of array to store values into
local -n ptr=$1
local -n ptr2=$2
# ptr newline separated list.
# Store this as array ptr2.
readarray -t ptr2 <<<"$ptr"
}
function space_separated_to_array() {
# $1: name of variable with space separated list
# $2: name of array to store values into
local -n ptr=$1
local -n ptr2=$2
# ptr space separated list.
# Store this as array ptr2.
# Without newline at last array element: https://unix.stackexchange.com/a/519917/315162
readarray -d " " -t ptr2 < <(printf '%s' "$ptr")
}