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-rw-r--r--toys/posix/env.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/toys/posix/env.c b/toys/posix/env.c
index ddb2f598..041c6d95 100644
--- a/toys/posix/env.c
+++ b/toys/posix/env.c
@@ -3,8 +3,10 @@
* Copyright 2012 Tryn Mirell <tryn@mirell.org>
*
* http://opengroup.org/onlinepubs/9699919799/utilities/env.html
+ *
+ * Deviations from posix: "-" argument and -0
-USE_ENV(NEWTOY(env, "^iu*", TOYFLAG_USR|TOYFLAG_BIN))
+USE_ENV(NEWTOY(env, "^0iu*", TOYFLAG_USR|TOYFLAG_BIN))
config ENV
bool "env"
@@ -12,10 +14,11 @@ config ENV
help
usage: env [-i] [-u NAME] [NAME=VALUE...] [command [option...]]
- Set the environment for command invocation.
+ Set the environment for command invocation, or list environment variables.
- -i Clear existing environment.
+ -i Clear existing environment
-u NAME Remove NAME from the environment
+ -0 Use null instead of newline in output
*/
#define FOR_env
@@ -52,5 +55,6 @@ void env_main(void)
} else xexec(ev);
}
- if (environ) for (ev = environ; *ev; ev++) xputs(*ev);
+ if (environ) for (ev = environ; *ev; ev++)
+ xprintf("%s%c", *ev, '\n'*!(toys.optflags*FLAG_0));
}