shlex-quote ( string -- quoted )
Shell-like lexical analysis

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Vocabulary
shlex

Inputs

string

a string

Outputs

quoted

a string

Word description
Quotes one argument for a POSIX shell, like Python's shlex.quote. Empty strings become two single quotes; shell-safe ASCII arguments are unchanged. Other strings are single-quoted with embedded single quotes escaped.

Notes
This quoting is for POSIX shells, not Windows command interpreters.

Definition

USING: kernel sequences shlex.private splitting ;

IN: shlex

: shlex-quote ( string -- quoted )
    [ "''" ] [
        dup [ shlex-safe? ] all?
        [ "'" "'\"'\"'" replace "'" dup surround ] unless
    ] if-empty ;