You can wrap an executable file around a PowerShell script (PS1) so that you can distribute the script as an .exe file rather than distributing a “raw” script file. This eliminates the need to explain ...

sed -i '' 's/^#### 1\. /### 1.1 /g' "$FILE" sed -i '' 's/^#### 2\. /### 1.2 /g' "$FILE" sed -i '' 's/^#### 3\. /### 1.3 /g' "$FILE" sed -i '' 's/^#### 4\. /### 1.4 /g ...

Each section is independent—use only what you need.