lxyeternal/malskillbench/pls-agent-tools

trash /path/to/file  # Safer deletion (recoverable)

# Rename files with pattern
for f in *.txt; do mv "$f" "${f/.txt/.md}"; done
 
# Find and delete files older than 7 days
find . -name "*.log" -mtime +7 -exec trash {} \;
 
# Copy with progress
rsync -av --progress src/ dest/

# Pretty print
jq '.' file.json
 
# Extract field
jq '.field' file.json
 
# Update field
jq '.field = "new_value"' file.json > tmp && mv tmp file.json
 
# Merge JSON files
jq -s 'add' file1.json file2.json

# Read value
yq '.key' file.yaml
 
# Update value
yq '.key = "value"' -i file.yaml
 
# Convert YAML to JSON
yq -o=json '.' file.yaml

# Search and replace in files
sed -i '' 's/old/new/g' file.txt
 
# Extract matches
grep -oP 'pattern' file.txt
 
# Count occurrences
grep -c 'pattern' file.txt
 
# Remove duplicate lines
sort file.txt | uniq > deduplicated.txt
 
# Extract column
awk '{print $2}' file.txt

# Find process by name
ps aux | grep process_name
 
# Kill by port
lsof -ti:3000 | xargs kill -9
 
# Monitor resource usage
htop

# Check port availability
lsof -i :PORT
 
# Download with retry
curl --retry 3 -O URL
 
# Test endpoint
curl -X POST -H "Content-Type: application/json" -d '{"key":"value"}' URL

# Base64 encode/decode
echo "text" | base64
echo "dGV4dAo=" | base64 -d
 
# URL encode/decode
python3 -c "import urllib.parse; print(urllib.parse.quote('text'))"
python3 -c "import urllib.parse; print(urllib.parse.unquote('text%20here'))"
 
# JSON escape/unescape
jq -R . <<< 'string to escape'
jq -r . <<< '"escaped string"'

# Current timestamp
date +%s
 
# ISO format
date -u +"%Y-%m-%dT%H:%M:%SZ"
 
# Convert timestamp
date -r 1234567890
 
# Timezone conversion
TZ="America/Chicago" date

# Validate JSON
jq empty file.json && echo "Valid JSON"
 
# Validate YAML
python3 -c "import yaml; yaml.safe_load(open('file.yaml'))" && echo "Valid YAML"
 
# Check JSON schema
check-jsonschema --schemafile schema.json document.json