// Copyright (c) 2017 Jimmy Cuadra // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE.
use regex::Regex;
/// Escapes a string so it will be interpreted as a single word by the UNIX Bourne shell. /// /// If the input string is empty, this function returns an empty quoted string. pubfn escape(input: &str) -> String { // Stolen from // https://docs.rs/shellwords/1.0.0/src/shellwords/lib.rs.html#24-37. // Added space to the pattern to exclude spaces from being escaped // which can cause problems when combining strings to form a full // command. let escape_pattern: Regex = Regex::new(r"([^A-Za-z0-9_\-.,:/@ \n])").unwrap();
if input.is_empty() { return"''".to_owned();
}
let output = &escape_pattern.replace_all(input, "\\$1");
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