:sig
String shell_escape(String raw)

:params
raw : string that should be escaped
return value : escaped version of 'raw'

:desc
Escapes a parameter for shell_exec

:see
>sys

:related
**PHP:** `escapeshellarg()` and `escapeshellcmd()`
**JavaScript / Node.js:** There is no direct built-in equivalent; prefer `spawn()` argument arrays and avoid shell interpolation