name: Filter text
inputs:
- {name: Text}
- {name: Pattern, default: '.*'}
outputs:
- {name: Filtered text}
metadata:
  annotations:
    author: Alexey Volkov <alexey.volkov@ark-kun.com>
    canonical_location: 'https://raw.githubusercontent.com/Ark-kun/pipeline_components/master/components/sample/C#_script/component.yaml'
implementation:
  container:
    image: mcr.microsoft.com/dotnet/sdk:5.0
    command:
    - sh
    - -ec
    - |
      dotnet tool install dotnet-script --tool-path /usr/bin
      "$0" "$@"
    - dotnet
    - script
    - eval
    - |
      string textPath = Args[0];
      string pattern = Args[1];
      string filteredTextPath = Args[2];

      var regex = new System.Text.RegularExpressions.Regex(pattern);
      Directory.CreateDirectory(Path.GetDirectoryName(filteredTextPath));
      using(var writer = new StreamWriter(filteredTextPath)) {
          foreach (var line in File.ReadLines(textPath)) {
              if (regex.IsMatch(line)) {
                  writer.WriteLine(line);
              }
          }
      }
    - --
    - {inputPath: Text}
    - {inputValue: Pattern}
    - {outputPath: Filtered text}