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JSON ParserNew to LogViewPlus? Find out more about how you can use LogViewPlus to help you analyze JSON log files.LogViewPlus has a built in JSON parser which is capable of analyzing your JSON log files. It does this by parsing your JSON file according to a template. A template is a sample JSON log entry that has certain fields identified with Conversion Specifiers.LogViewPlus will not parse an entire log file as JSON. Rather, it will parse the log file line by line while checking the input structure. Only when the structure represents a complete JSON object will a parse be attempted. This approach allows for monitoring JSON log files in tail mode, but may cause issues if your JSON log is a single block of text without new lines.Because each log entry is parsed separately, our template will only need to match a single log entry. For example, let's look at a simple JSON log enry:{ "firstName":"John", "lastName":"Doe", "employeeId":"12345", "other":"ignore me", "dateJoined":"2014-05-16 10:50:14,125"} This is a JSON log entry with five fields: firstName, lastName, employeedId, other, and dateJoined. What we need to do is replace the field data with a Conversion Specifier that identifies the field data type. This might give us the following mapping.JSON FieldConversion SpecifierLogViewPlus ColumnfirstName%S{First Name}First NamelastName%S{Last Name}Last NameemployeeId%s{Employee Id}Employee IdotherWe want to ignore this field.dateJoined%dDate and TimeTherefore, we could parse this JSON log entry with the template:{ "firstName":"%S{First Name}", "lastName":"%S{Last Name}", "employeeId":"%s{Employee Id}", "dateJoined":"%d"}Notice that in the above template the "other" field has been ignored. To ignore a field we simply do not include it in our template. If one of the elements we were interested in had been a child of a parent node, we would have needed to include the parent node in our template. The important thing is that the template has the full path to the target node.Once we load this template into LogViewPlus it will appear as:To do this, we just need to give LogViewPlus our parsing template as an argument for the JSON parser. We can do this in Parser Mappings:White space will be ignored, so we are free to format the JSON as needed.If our log file contained multiple log entries, LogViewPlus would expect them all to have the same format. New log entries should also be separated by a new line as discussed above.Log files parsed with the JSON parser support automatic pretty-printing by default.Finally, notice the similarities between the JSON Parser and the XML Parser discussed in the next section. Both use the concept of templates, so once you have learned one you have basically learned the other.Parsing Embedded JSONLogViewPlus v2.5.56 and greater can parse JSON log entries are embedded within a parent object. For example, consider the JSON log file:{ logid: "App Log 1", entries: [ { "firstName":"John", "lastName":"Doe", "employeeId":"12345", "other":"ignore me", "dateJoined":"2014-05-16 10:50:14,125" }, { ... } ]}Our conversion pattern for this log file will largely look the same as before with one crucial difference. We must specify the outer element which will act to

For purposes of analysis, indexing, searching or re-use.Because parsing HTML with regexes is the path to madness Perl modules like HTML::Parser were written to help recognize both standard and non-standard HTML implementations, simplifying the extraction of data from HTML. The following example (from the HTML::Parser doc) shows how you can use HTML::Parser to print out any text found within an HTML element (in this case, title) of an HTML document:use HTML::Parser ();sub start_handler{ return if shift ne "title"; my $self = shift; $self->handler(text => sub { print shift }, "dtext"); $self->handler(end => sub { shift->eof if shift eq "title"; }, "tagname,self");}my $p = HTML::Parser->new(api_version => 3);$p->handler( start => \&start_handler, "tagname,self");$p->parse_file(shift || die) || die $!;print "\n";While this is a fairly straightforward example that’s unlikely to be tripped up by too many Web pages, the idea with using HTML::Parser is to try and avoid as much as possible having to look at the underlying HTML code. Text Manipulation: JSON Manipulation in PerlIf XML is readable in the same way that sand is edible, then JSON is like taffy: you have to chew on it for a while before you can digest it. To simplify working with JSON, you may want to extract just the relevant info you need, or perhaps transform it into something like a Perl data structure so you can more easily query it.The JSON-MaybeXS module provides you with a simple way to encode and decode JSON to/from Perl data structures: my $json_text = encode_json($data_structure);my $data_structure = decode_json($json_text);Next StepsThere’s a wealth of community modules that can help simplify just about any task associated with manipulating, extracting and transforming strings besides the ones highlighted in this blog. In the Perl Text Processing Runtime we’ve included some of the most common ones, such as:HTML-Tree – lets you build and scan parse-trees

14 3 558 5.0 JavaScriptcamaro is an utility to transform XML to JSON, using Node.js binding to native XML parser pugixml, one of the fastest XML parser around. xml-rs 15 1 462 7.9 RustAn XML library in Rust xmlquery 16 1 462 7.0 Goxmlquery is Golang XPath package for XML query. xmlbuilder2 17 1 378 0.0 TypeScriptAn XML builder for node.jsProject mention:F45 Broke My Beloved Strava Integration So I Wrote My Own|dev.to|2025-03-15Now that I have my data source, I need to upload it to Strava. Strava has an /upload endpoint that allows you to upload a workout using a .tcx formatted file. These files contain metadata about a workout, including the start time, duration, and heart rate data by timestamp. Converting the JSON data into a .tcx file is pretty simple; I just need to iterate over the data and format it correctly to match the schema. For this, I used the xmlbuilder library. xgen 18 1 355 3.1 GoXSD (XML Schema Definition) parser and Go/C/Java/Rust/TypeScript code generator (by xuri) xml2lua 19 3 309 5.0 LuaXML Parser written entirely in Lua that works for Lua 5.1+. Convert XML to and from Lua Tables 🌖💱 parse-xml 20 2 306 0.0 JavaScriptA fast, safe, compliant XML parser for Node.js and browsers. saxy 21 1 290 5.1 ElixirFast SAX parser and encoder for XML in Elixir sax-wasm 22 1 170 7.7 RustThe first streamable, fixed memory XML, HTML, and JSX parser for WebAssembly. xeno 23 0 121 0.0 HaskellFast Haskell XML parser SaaSHubwww.saashub.comfeaturedSaaSHub

General data-binding functionality for Jackson: works on core streaming APILast Release on Mar 1, 2025Gson is a Java library that can be used to convert Java Objects into their JSON representation.It can also be used to convert a JSON string to an equivalent Java object.Last Release on Jan 31, 2025Core Jackson processing abstractions (aka Streaming API), implementation for JSONLast Release on Mar 1, 2025Fastjson is a JSON processor (JSON parser + JSON generator) written in JavaLast Release on Feb 22, 2025JSON is a light-weight, language independent, data interchange format.See files in this package implement JSON encoders/decoders in Java.It also includes the capability to convert between JSON and XML, HTTPheaders, Cookies, and CDL.This is a reference implementation. There are a large number of JSON packagesin Java. Perhaps someday the Java community will standardize on one. Untilthen, choose carefully.Last Release on Jan 8, 2025Data Mapper package is a high-performance data binding packagebuilt on Jackson JSON processorLast Release on Jul 15, 2013Kotlin multiplatform serialization runtime libraryLast Release on Jan 6, 2025Add-on module for Jackson ( to supportKotlin language, specifically introspection of method/constructor parameter names,without having to add explicit property name annotation.Last Release on Mar 1, 2025Jackson is a high-performance JSON processor (parser, generator)Last Release on Jul 15, 2013Kotlin multiplatform serialization runtime libraryLast Release on Jan 6, 2025Prev12345678910Next