113 lines
2.8 KiB
Bash
113 lines
2.8 KiB
Bash
# JSON Tools
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# Adds command line aliases useful for dealing with JSON
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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 method undefined, find the first one that is installed
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if [[ -z "$JSONTOOLS_METHOD" ]]; then
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for JSONTOOLS_METHOD in node python3 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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[[ -n "$JSONTOOLS_METHOD" ]] || return 1
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fi
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# Define json tools for each method
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case "$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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python3)
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function pp_json() {
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python3 -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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python3 -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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python3 -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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python3 -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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