Module exec

APIs for spawning subprocesses and handling their results.

Macros

docs_errors_exec 🔒

docs_errors_grep 🔒

Structs

Cmd

A command to be executed, provided in command-flags-keywords form.

Enums

Mode

Different ways in which a Cmd shall be dealt with.

Functions

exec_tee 🔒

Takes contents from an input stream and copy to an output stream (optional) and a Vec<u8>, then returns the Vec<u8>.

exit_result 🔒

Returns a Result for a Cmd according to if its exit status code indicates an error.

grep

Finds all lines in the given text that matches all the patterns.

grep_print

Prints the result of grep line by line.

grep_print_with_header

Prints the result of grep line by line, with header_lines of header prepended. If header_lines >= text.lines().count(), then text is printed without changes.

into_bytes 🔒

Turns an [AsyncRead] into a [Stream].

is_exe

Checks if an executable exists by name (consult $PATH) or by path.

is_root

Checks if the current user is root or admin.

prompt 🔒

Gives a prompt and returns the index of the user choice.

Type Aliases

Output

The type for captured stdout, and if set to Mode::CheckAll, mixed with captured stderr.

StatusCode

The status code type returned by a Cmd,