diff options
author | Mike Frysinger <vapier@gentoo.org> | 2015-07-30 06:33:16 +0300 |
---|---|---|
committer | Denys Vlasenko <vda.linux@googlemail.com> | 2015-07-31 04:47:49 +0300 |
commit | 670c3f7822e17c8bfdd9351fcfea071e696fc1d6 (patch) | |
tree | 39c385d577bb272af5451c9d860972259fabf6ba | |
parent | 52f2f37477affbbd416b27f051b2be9d87891dcd (diff) |
echo: make escape sequences depend on fancy mode
Currently when you disable fancy echo, escape sequences are hardcoded
enabled (e.g. as if you used `echo -e` all the time). The opposite
behavior is more desirable (always disable -e support) because:
* This seems to contradict the spirit of the kconfig help text (where
it says enable support for -n/-e flags), although you could say that
we aren't supporting the -e flag directly as `echo -e` will show the
-e flag.
* POSIX makes escape sequences optional, and even says they are there
only on XSI-conformant systems.
* It saves space (~100 bytes on x86_64).
* It makes things faster!
* It makes it behave more like bash where you need an explicit -e flag
in order for escape sequences to be interpreted.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r-- | coreutils/echo.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/coreutils/echo.c b/coreutils/echo.c index 9663894ec..1c4174559 100644 --- a/coreutils/echo.c +++ b/coreutils/echo.c @@ -72,7 +72,7 @@ int echo_main(int argc UNUSED_PARAM, char **argv) unsigned buflen; #if !ENABLE_FEATURE_FANCY_ECHO enum { - eflag = '\\', + eflag = 0, /* 0 -- disable escape sequences */ nflag = 1, /* 1 -- print '\n' */ }; |