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#!/bin/bash
[ -n "$_INCGD_json" ] && return || readonly _INCGD_json=1
source /usr/lib/set-root-pw/json-parser.sh
json_parser="/bin/bash /usr/lib/set-root-pw/json-parser.sh"
# USAGE: json_read path "to the" requested item, but only if it's leaf node
# will fetch "my cool value" from the following JSON
# "path": {
# "to the": {
# "requested": {
# "item": "my cool value"
# }
# }
# }
json_read()
{
# Create JSON.sh key to search json tree
searchpath="\["
for pt_part in "$@"; do
searchpath="${searchpath}\"\?$pt_part\"\?,";
done
searchpath="${searchpath%,*}\]"
# Search and trim json path at the start of the string
$json_parser -l | grep "${searchpath}" | \
awk -F ']\t' '{print $2}' | \
sed -e 's/^"//' \
-e 's/"$//' 2> /dev/null
}
# USAGE: json_get_branch path "to the" requested
# will fetch json branch {"item": "my cool value"} from the following JSON
# "path": {
# "to the": {
# "requested": {
# "item": "my cool value"
# }
# }
# }
json_get_branch()
{
# Create JSON.sh key to search json tree
searchpath="\["
for pt_part in "$@"; do
searchpath="${searchpath}\"\?$pt_part\"\?,";
done
searchpath="${searchpath%,*}\]"
# Search and trim json path at the start of the string
$json_parser | grep "${searchpath}" | \
sed -e 's/^\["[^"]\+"\]\s\+//' \
-e 's/^"//' \
-e 's/"$//' 2> /dev/null
}