split_by_pattern: Split JSON Files Based on Partial Key Values (Pattern...

In normanR: Client for the 'Norman Network Database System' REST API

Split JSON Files Based on Partial Key Values (Pattern Matching)

Description

This function scans a source directory for JSON files, loads them, and splits each file into multiple smaller JSON files based on the partial key values (pattern matching) of a specified key. Each unique value results in a separate file.

Usage

split_by_pattern(
  input_dir,
  output_dir,
  split_key,
  pattern = NULL,
  data_path = NULL
)

Arguments

input_dir	Character. Path to the folder containing source JSON files.
output_dir	Character. Path to the folder where output files will be saved.
split_key	Character. The JSON key to inspect (e.g., "Sampling date").
pattern	Character (Regex). A pattern to extract. If NULL, splits by full value.
data_path	Character. The element in the JSON containing the records list.

Details

The function creates the output directory if it does not exist. Filenames are generated using the pattern: original_name.json.

Value

Logical. Returns TRUE if the operation completes successfully.

normanR documentation built on Sept. 12, 2026, 5:10 p.m.