Deno exec(v|p|e)

Exec lib to make ffi calls to syscall.exec* family of functions.

import { exec } from 'https://raw.githubusercontent.com/zph/exec/main/main.ts'

// Execute ls with arguments and inject FOO environmental variable
exec(["ls", "-la", "."], {FOO: "bar"})

Project Maturity

Nascent and minimally tested but simple to try and validate for an individual use case.

Coverage of exec family syscalls:

Implemented (T/F)	Function Signature
T	int execv(char const *path, char const *argv[]);
T*	int execve(char const *path, char const *argv[], char const *envp[]);
T	int execvp(char const *file, char const *argv[]);
F	int execl(char const *path, char const *arg0, ...);
F	int execle(char const *path, char const *arg0, ..., char const *envp[]);
F	int execlp(char const *file, char const *arg0, ...);
F	int fexecve(int fd, char *const argv[], char *const envp[]);

*: execve is implemented as a wrapper on execvp + Deno.env.set

Compatibility / Limitations

• Linux & Mac

• No support for Windows compatibility

• Has only been tested on a single version of OSX

• Needs a matrix test harness on GH Actions to validate libc naming assumptions