/* env.c - Set the environment for command invocation. * * Copyright 2012 Tryn Mirell <tryn@mirell.org> * * http://opengroup.org/onlinepubs/9699919799/utilities/env.html USE_ENV(NEWTOY(env, "^i", TOYFLAG_USR|TOYFLAG_BIN)) config ENV bool "env" default y help usage: env [-i] [NAME=VALUE...] [command [option...]] Set the environment for command invocation. -i Clear existing environment. */ #include "toys.h" extern char **environ; void env_main(void) { char **ev; char *del = "="; if (toys.optflags) clearenv(); for (ev = toys.optargs; *ev != NULL; ev++) { char *env = strtok(*ev, del), *val = 0; if (env) val = strtok(0, del); if (val) setenv(env, val, 1); else xexec(ev); } if (environ) for (ev = environ; *ev; ev++) xputs(*ev); }