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GroupDocs.Comparison allows you to compare values from the String type variables.
The following code snippet shows how to load plain text from variables and compare it as if it were document content.
'use strict';
// Import the GroupDocs.Comparison for Node.js via Java SDK
const groupdocs = require('@groupdocs/groupdocs.comparison');
// Enable text mode so passed strings are treated as content, not file paths
const loadOptions = new groupdocs.LoadOptions();
loadOptions.setLoadText(true);
// Create a comparer using a source string value
const comparer = new groupdocs.Comparer('This is the original text.', loadOptions);
// Add a target string to compare against the source
comparer.add('This is the changed text.', loadOptions);
// Run the comparison and write the result to a text file
comparer.compare('result.txt');
// Terminate the process with a success exit code
process.exit(0);
This example demonstrates how to compare plain text strings directly without using files. It creates a LoadOptions object and sets setLoadText(true) to indicate that the strings passed are text content, not file paths. The Comparer is initialized with a source string and the LoadOptions, and the target string is added with the same LoadOptions. The comparison is then performed and saved to a file, treating the strings as document content.
The result is as follows:
The following code snippet shows how to mix a document loaded from disk with text provided directly as a string.
'use strict';
// Import the GroupDocs.Comparison for Node.js via Java SDK
const groupdocs = require('@groupdocs/groupdocs.comparison');
// Configure LoadOptions to indicate that the target value is raw text
const loadOptions = new groupdocs.LoadOptions();
loadOptions.setLoadText(true);
// Load the source content from a physical text file
const comparer = new groupdocs.Comparer('sample-files/source.txt');
// Add the target content as plain text (not as a file path)
comparer.add('This is the target text to compare with the file content.', loadOptions);
// Perform comparison without saving to disk and get the result as a string
comparer.compare();
const result = comparer.getResultString();
// Print the comparison result to the console
console.log(result);
// Terminate the process with a success exit code
process.exit(0);
This example shows how to mix a document loaded from disk with text provided as a string. The source document is loaded from a file path (without LoadOptions), while the target is provided as a plain text string with LoadOptions that has setLoadText(true). After performing the comparison, it calls getResultString() to retrieve the comparison result as a string instead of saving it to a file, which is useful when you need to process the result programmatically.
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