feat: add benchmark-programs — 58 telecom COBOL test programs

作为子目录纳入系统，与核心测试管道协同 Co-Authored-By: Claude <noreply@anthropic.com>
2026-06-25 09:53:21 +08:00
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+# 15-csv-fb-nolf: CSV to Fixed-Block Conversion (No Line Feed)
+
+## 电信业务场景
+
+外部CDR CSV取込(无LF)。读取外部系统提供的CSV格式CDR文件，使用STRING语句将各字段合并为固定长记录。无换行展开。
+
+## Description
+
+Reads a LINE SEQUENTIAL CSV file (comma-separated, 3 fields) and
+converts each row to a fixed-length output record using the STRING
+statement. Handles basic CSV quoting (double-quoted fields with
+embedded commas).
+
+## Record Layout
+
+### Input (LINE SEQUENTIAL CSV)
+
+Each line contains 3 comma-separated fields. Fields may be quoted
+with double-quotes when they contain commas or leading/trailing spaces.
+
+### Output (fixed-length: 100 bytes)
+
+One fixed-length record per CSV row. Fields are joined with pipe ('|')
+separators via STRING.
+
+| Component | Description                |
+|-----------|----------------------------|
+| FIELD1    | Padded/spaced as parsed    |
+| Separator | Pipe character '|'         |
+| FIELD2    | Padded/spaced as parsed    |
+| Separator | Pipe character '|'         |
+| FIELD3    | Padded/spaced as parsed    |
+
+## Files
+
+| File                    | Purpose                        |
+|-------------------------|--------------------------------|
+| main-15-csv-fb-nolf.cbl | Main COBOL program             |
+| data-gen.sh             | Generate CSV test data         |
+| run.sh                  | Compile, run, verify           |
+| README.md               | This file                      |
+
+## Tests
+
+| Test Case               | Description                         |
+|-------------------------|-------------------------------------|
+| Standard CSV            | Normal comma-separated values       |
+| Empty middle field      | Field2 is empty (,,)                |
+| Quoted commas           | Field contains embedded comma       |
+| Quoted spaces           | Quoted field with padding spaces    |
+| All empty               | Line with only commas               |
+| Long text               | Field longer than usual             |
+
+## Usage
+
+```bash
+cd 15-csv-fb-nolf
+bash data-gen.sh
+bash run.sh
+```
+
+## Expected Behavior
+
+- Each CSV line produces exactly one fixed-length (100-byte) output record.
+- Quoted fields are unquoted during parsing.
+- Embedded commas within quoted fields are preserved.
+- Output records use '|' as separator between fields.