Обновления 28.09.2021
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@@ -17,32 +17,63 @@ Usage is simple... just take your json data and pipe it into the appropriate jso
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- `urlencode_json`: returns a url encoded string for the given json.
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- `urldecode_json`: returns decoded json for the given url encoded string.
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### Supports NDJSON (Newline Delimited JSON)
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The plugin also supports [NDJSON](http://ndjson.org/) input, which means all functions
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have an alternative function that reads and processes the input line by line. These
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functions have the same name except using `ndjson` instead of `json`:
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> `pp_ndjson`, `is_ndjson`, `urlencode_ndjson`, `urldecode_ndjson`.
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### Examples
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- **pp_json**:
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```sh
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```console
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# curl json data and pretty print the results
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curl https://coderwall.com/bobwilliams.json | pp_json
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```
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- **is_json**:
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```sh
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# Validate if file's content conforms to a valid JSON schema
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less data.json | is_json
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```console
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# validate if file's content conforms to a valid JSON schema
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$ is_json < data.json
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true
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# shows true / false and returns the proper exit code
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$ echo $?
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0
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```
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- **urlencode_json**:
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```sh
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```console
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# json data directly from the command line
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echo '{"b":2, "a":1}' | urlencode_json
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$ echo '{"b":2, "a":1}' | urlencode_json
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%7B%22b%22:2,%20%22a%22:1%7D
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```
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- **urldecode_json**:
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```sh
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```console
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# url encoded string to decode
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echo '%7B%22b%22:2,%20%22a%22:1%7D%0A' | urldecode_json
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$ echo '%7B%22b%22:2,%20%22a%22:1%7D' | urldecode_json
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{"b":2, "a":1}
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```
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- **pp_ndjson**:
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```console
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# echo two separate json objects and pretty print both
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$ echo '{"a": "b"}\n{"c": [1,2,3]}' | pp_ndjson
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{
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"a": "b"
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}
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{
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"c": [
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1,
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2,
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3
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]
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}
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```
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@@ -1,42 +1,113 @@
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# JSON Tools
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# Adds command line aliases useful for dealing with JSON
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if [[ $(whence $JSONTOOLS_METHOD) = "" ]]; then
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JSONTOOLS_METHOD=""
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# Check that user-defined method is installed
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if [[ -n "$JSONTOOLS_METHOD" ]]; then
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(( $+commands[$JSONTOOLS_METHOD] )) || unset JSONTOOLS_METHOD
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fi
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if [[ $(whence node) != "" && ( "x$JSONTOOLS_METHOD" = "x" || "x$JSONTOOLS_METHOD" = "xnode" ) ]]; then
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alias pp_json='xargs -0 node -e "console.log(JSON.stringify(JSON.parse(process.argv[1]), null, 4));"'
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alias is_json='xargs -0 node -e "try {json = JSON.parse(process.argv[1]);} catch (e) { console.log(false); json = null; } if(json) { console.log(true); }"'
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alias urlencode_json='xargs -0 node -e "console.log(encodeURIComponent(process.argv[1]))"'
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alias urldecode_json='xargs -0 node -e "console.log(decodeURIComponent(process.argv[1]))"'
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elif [[ $(whence python) != "" && ( "x$JSONTOOLS_METHOD" = "x" || "x$JSONTOOLS_METHOD" = "xpython" ) ]]; then
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alias pp_json='python -c "import sys; del sys.path[0]; import runpy; runpy._run_module_as_main(\"json.tool\")"'
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alias is_json='python -c "
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import sys; del sys.path[0];
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import json;
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try:
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json.loads(sys.stdin.read())
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except ValueError, e:
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print False
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else:
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print True
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sys.exit(0)"'
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alias urlencode_json='python -c "
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import sys; del sys.path[0];
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import urllib, json;
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print urllib.quote_plus(sys.stdin.read())
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sys.exit(0)"'
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alias urldecode_json='python -c "
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import sys; del sys.path[0];
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import urllib, json;
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print urllib.unquote_plus(sys.stdin.read())
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sys.exit(0)"'
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elif [[ $(whence ruby) != "" && ( "x$JSONTOOLS_METHOD" = "x" || "x$JSONTOOLS_METHOD" = "xruby" ) ]]; then
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alias pp_json='ruby -e "require \"json\"; require \"yaml\"; puts JSON.parse(STDIN.read).to_yaml"'
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alias is_json='ruby -e "require \"json\"; begin; JSON.parse(STDIN.read); puts true; rescue Exception => e; puts false; end"'
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alias urlencode_json='ruby -e "require \"uri\"; puts URI.escape(STDIN.read)"'
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alias urldecode_json='ruby -e "require \"uri\"; puts URI.unescape(STDIN.read)"'
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# If method undefined, find the first one that is installed
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if [[ ! -v JSONTOOLS_METHOD ]]; then
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for JSONTOOLS_METHOD in node python ruby; do
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# If method found, break out of loop
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(( $+commands[$JSONTOOLS_METHOD] )) && break
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# Otherwise unset the variable
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unset JSONTOOLS_METHOD
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done
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# If no methods were found, exit the plugin
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[[ -v JSONTOOLS_METHOD ]] || return 1
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fi
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# Define json tools for each method
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case "$JSONTOOLS_METHOD" in
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node)
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# node doesn't make it easy to deal with stdin, so we pass it as an argument with xargs -0
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function pp_json() {
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xargs -0 node -e 'console.log(JSON.stringify(JSON.parse(process.argv[1]), null, 4));'
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}
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function is_json() {
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xargs -0 node -e '
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try {
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json = JSON.parse(process.argv[1]);
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console.log("true");
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process.exit(0);
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} catch (e) {
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console.log("false");
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process.exit(1);
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}
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'
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}
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function urlencode_json() {
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xargs -0 node -e "console.log(encodeURIComponent(process.argv[1]))"
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}
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function urldecode_json() {
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xargs -0 node -e "console.log(decodeURIComponent(process.argv[1]))"
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}
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;;
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python)
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function pp_json() {
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python -c 'import sys; del sys.path[0]; import runpy; runpy._run_module_as_main("json.tool")'
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}
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function is_json() {
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python -c '
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import sys; del sys.path[0];
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import json
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try:
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json.loads(sys.stdin.read())
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print("true"); sys.exit(0)
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except ValueError:
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print("false"); sys.exit(1)
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'
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}
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function urlencode_json() {
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python -c '
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import sys; del sys.path[0];
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from urllib.parse import quote_plus
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print(quote_plus(sys.stdin.read()))
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'
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}
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function urldecode_json() {
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python -c '
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import sys; del sys.path[0];
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from urllib.parse import unquote_plus
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print(unquote_plus(sys.stdin.read()))
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'
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}
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;;
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ruby)
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function pp_json() {
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ruby -e '
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require "json"
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require "yaml"
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puts JSON.parse(STDIN.read).to_yaml
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'
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}
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function is_json() {
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ruby -e '
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require "json"
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begin
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puts !!JSON.parse(STDIN.read); exit(0)
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rescue JSON::ParserError
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puts false; exit(1)
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end
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'
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}
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function urlencode_json() {
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ruby -e 'require "cgi"; puts CGI.escape(STDIN.read)'
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}
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function urldecode_json() {
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ruby -e 'require "cgi"; puts CGI.unescape(STDIN.read)'
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}
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;;
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esac
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unset JSONTOOLS_METHOD
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## Add NDJSON support
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function {pp,is,urlencode,urldecode}_ndjson() {
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local json jsonfunc="${0//ndjson/json}"
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while read -r json; do
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$jsonfunc <<< "$json"
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done
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}
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