llmflow (version 3.0.2)

extract_bash_code: Extract Bash/Shell code from a string

Description

This function extracts Bash/Shell code from a string by matching all content between '```bash', '```sh', '```shell' and '```'.

Usage

extract_bash_code(input_string)

Value

A character vector containing the extracted Bash/Shell code

Arguments

input_string

A string containing Bash/Shell code blocks, typically a response from an LLM

Examples

# Simple bash example
text <- "Run this:\n```bash\necho 'Hello'\n```"
extract_bash_code(text)

# Using 'sh' tag
text <- "```sh\nls -la\npwd\n```"
extract_bash_code(text)

# Using 'shell' tag
text <- "```shell\nfor i in {1..5}; do echo $i; done\n```"
extract_bash_code(text)

# Multiple blocks with different tags
response <- "
Setup script:
```bash
#!/bin/bash
mkdir -p /tmp/test
cd /tmp/test
```

Installation:
```sh
apt-get update
apt-get install -y git
```

Configuration:
```shell
export PATH=$PATH:/usr/local/bin
source ~/.bashrc
```
"
codes <- extract_bash_code(response)
length(codes) # Returns 3

# Complex script example
script_response <- "
Here's a backup script:
```bash
#!/bin/bash

# Set variables
BACKUP_DIR='/backup'
DATE=$(date +%Y%m%d)

# Create backup
tar -czf ${BACKUP_DIR}/backup_${DATE}.tar.gz /home/user/

# Check if successful
if [ $? -eq 0 ]; then
    echo 'Backup completed successfully'
else
    echo 'Backup failed'
    exit 1
fi
```
"
extract_bash_code(script_response)