[PATCH] make it possible to keep Config/Kbuild snippets in *.c files

Cristian Ionescu-Idbohrn cristian.ionescu-idbohrn at axis.com
Fri May 14 19:44:52 UTC 2010


On Fri, 14 May 2010, Denys Vlasenko wrote:

> I did discover a lot of interesting details about shells
> while hacking on them. One is that bare "read"
> is NOT the same thing as "read REPLY"! Look at this:
>
> $ echo "  foo  b\ar  " | { read -r; echo "[$REPLY]"; }
> [  foo  b\ar  ]

$ dash -c 'echo "  foo  b\ar  " | { read -r; echo "[$REPLY]"; }'
read: 1: arg count
[]

> $ echo "  foo  b\ar  " | { read -r REPLY; echo "[$REPLY]"; }
> [foo  b\ar]

$ dash -c 'echo "  foo  b\ar  " | { read -r REPLY; echo "[$REPLY]"; }'
[foo  br]

(with a bell ringing)

> (I will add -r, thanks)

Be careful out there :)


Cheers,

-- 
Cristian


More information about the busybox mailing list