found 573287 0.5.4-12
notfound 573287 0.5.5.1-4
quit
On Wed, May 05, 2010 at 07:58:51AM +0100, -=}*/{=- wrote:
> mmm... isn't the echo command an external command?...
>
> whereis echo
> echo: /bin/echo /usr/share/man/man1/echo.1.gz
> /usr/share/man/man3/echo.3ncurses.gz
It's both
$ bash -c 'type echo'
echo is a shell builtin
$ dash -c 'type echo'
echo is a shell builtin
$ which echo
/bin/echo
$
> .. should behave the same on different shells, right?
Unfortunately it doesn't, since ages. That's why printf should be used
instead in portable scripts.
> i still went and tested your sugestion on my lenny, which gave me also
> diferent results for bash and dash...
>
> #bash:
> read line && printf "%s\n" "$line"
> \\ \\ \\ \\
> \ \ \ \
>
> read -r line && printf "%s\n" "$line"
> \\ \\ \\ \\
> \\ \\ \\ \\
>
> #dash:
> read line && printf "%s\n" "$line"
> \\ \\ \\ \\
> \\\\
This seems to be a bug that affects dash in Debian/stable. It's fixed
in dash available in Debian/testing and unstable.
$ dpkg -l dash |grep ^ii
ii dash 0.5.5.1-4
POSIX-compliant shell
$ dash -c 'read line && printf "%s\n" "$line"' <<\EOT
\\ \\ \\ \\
EOT
\ \ \ \
$
Thanks for reporting this, Gerrit.
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