diff options
| author | Nicholas Marriott <nicm@cvs.openbsd.org> | 2012-03-22 11:11:58 +0000 |
|---|---|---|
| committer | Nicholas Marriott <nicm@cvs.openbsd.org> | 2012-03-22 11:11:58 +0000 |
| commit | aadb8c731774443f3c939e50c31e9dcfabaa7844 (patch) | |
| tree | 2685d6dd08034a24c313e2e4ead034f049e51b39 /usr.bin/tmux/cmd-show-environment.c | |
| parent | d8351147377f8eaed15846884f79fc9e86c46dbe (diff) | |
Accept an argument to show-environment to show one variable, based on a
diff from Kazuhiko Sakaguchi.
Diffstat (limited to 'usr.bin/tmux/cmd-show-environment.c')
| -rw-r--r-- | usr.bin/tmux/cmd-show-environment.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/usr.bin/tmux/cmd-show-environment.c b/usr.bin/tmux/cmd-show-environment.c index 3108f5ecf95..1de64ad5dfe 100644 --- a/usr.bin/tmux/cmd-show-environment.c +++ b/usr.bin/tmux/cmd-show-environment.c @@ -1,4 +1,4 @@ -/* $OpenBSD: cmd-show-environment.c,v 1.4 2011/04/05 19:37:01 nicm Exp $ */ +/* $OpenBSD: cmd-show-environment.c,v 1.5 2012/03/22 11:11:57 nicm Exp $ */ /* * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net> @@ -31,8 +31,8 @@ int cmd_show_environment_exec(struct cmd *, struct cmd_ctx *); const struct cmd_entry cmd_show_environment_entry = { "show-environment", "showenv", - "gt:", 0, 0, - "[-g] " CMD_TARGET_SESSION_USAGE, + "gt:", 0, 1, + "[-g] " CMD_TARGET_SESSION_USAGE " [name]", 0, NULL, NULL, @@ -55,6 +55,19 @@ cmd_show_environment_exec(struct cmd *self, struct cmd_ctx *ctx) env = &s->environ; } + if (args->argc != 0) { + envent = environ_find(env, args->argv[0]); + if (envent == NULL) { + ctx->error(ctx, "unknown variable: %s", args->argv[0]); + return (-1); + } + if (envent->value != NULL) + ctx->print(ctx, "%s=%s", envent->name, envent->value); + else + ctx->print(ctx, "-%s", envent->name); + return (0); + } + RB_FOREACH(envent, environ, env) { if (envent->value != NULL) ctx->print(ctx, "%s=%s", envent->name, envent->value); |