replace

#!/bin/bash

# Check arguments
if [ $# -lt 1 ]; then
  echo "Usage: $0 <filename>"
  exit 1
fi

FILE="$1"

# Make a backup first
cp "$FILE" "$FILE.bak"

# Replace {{{VAR}}} and {{VAR}} with $VAR (any variable name)
perl -pe 's/\{\{\{\s*(\w+)\s*\}\}\}/\$$1/g; s/\{\{\s*(\w+)\s*\}\}/\$$1/g' "$FILE.bak" > "$FILE"

echo "Replacements complete. Backup saved as $FILE.bak"