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suffix_filter

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后缀过滤器。过滤器以保留具有指定后缀的样本。 本SKILL使用依赖data_juicer，请在调用前安装好python环境并安装data_juicer，你可用以下指令进行安装： pip install py-data-juicer 当用户提到后缀过滤、文件类型过滤、按文件后缀筛选等需求时使用此skill。

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How to use this skill

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  2. Copy the prompt below and paste it into your agent.
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I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/cas-bigdatalab/piflow/blob/HEAD/workspace/skills/suffix_filter/SKILL.md

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First, summarize what it does, its dependencies, license status if identifiable, and any risks. Show the exact files you propose to add under .agents/skills/suffix-filter/. Do not write files or run scripts until I approve.

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功能概述

该算子根据样本的 suffix 字段值进行过滤，保留后缀在目标列表中的样本。

核心参数

参数类型必填默认值说明
input_pathstring是-输入数据文件路径 (JSON/JSONL格式)
output_pathstring是-输出数据文件路径 (JSONL格式)
suffixeslist否[]目标后缀列表，如 ['.txt', '.pdf']
num_procint否1并行处理的进程数

输入数据格式

输入文件应为 JSON 或 JSONL 格式，每行包含一个样本，样本需包含 suffix 字段：

{"text": "文本内容", "suffix": ".txt"}

输出数据格式

输出为 JSONL 格式，每行一个符合条件的样本，保持原始字段结构。

使用示例

命令行调用

# 过滤保留 .txt 和 .pdf 后缀的样本
python scripts/run_suffix_filter.py \
  --input_path /path/to/input.jsonl \
  --output_path /path/to/output.jsonl \
  --suffixes .txt \
  --suffixes .pdf

# 不指定后缀则保留所有样本
python scripts/run_suffix_filter.py \
  --input_path /path/to/input.jsonl \
  --output_path /path/to/output.jsonl

参数说明

  • --input_path: 输入文件路径
  • --output_path: 输出文件路径
  • --suffixes: 目标后缀，可重复指定多个（默认为空，保留所有）
  • --num_proc: 并行进程数，默认1

注意事项

  1. suffix 字段用于标识文件类型/后缀
  2. 这是 NON_STATS_FILTERS，不需要计算统计信息，处理效率较高
  3. 如果不指定 suffixes，则保留所有样本