pdksh vs. mksh info [was: Re: Apparently, csh programming is considered harmful.]

[Tom McLaughlin]

On Sat, 2007-12-15 at 04:13 +0200, Giorgos Keramidas wrote: 
> On 2007-12-14 21:10, Frank Shute <frank at esperance-linux.co.uk> wrote:
> > I used bash for an interactive shell for about 5 years until I
> > discovered the goodness of pdksh. About half the size, statically
> > linked, not full of bugs and better editing features. Plus it's not
> > GPL.
> 
> Hi Frank,
> 
> Now that you mention pdksh, have you tried mksh (in Ports too)?
> 
> I've installed it and successfully run moderately large ksh scripts
> (like the webrev(1) utility of OpenSolaris), and it is about an order of
> magnitude smaller than pdksh here:
> 
> % keramida at kobe:/usr/local/bin$ ls -ld mksh bash ksh
> % -rwxr-xr-x  1 root  wheel  -  684699 Dec  9 19:51 bash
> % -r-xr-xr-x  1 root  wheel  - 2390645 Aug 31 17:07 ksh
> % -r-xr-xr-x  1 root  wheel  -  236202 Dec  9 18:34 mksh
> % keramida at kobe:/usr/local/bin$ ldd mksh bash ksh
> % mksh:
> %         libc.so.7 => /lib/libc.so.7 (0x280ae000)
> % bash:
> %         libncurses.so.7 => /lib/libncurses.so.7 (0x28101000)
> %         libintl.so.8 => /usr/local/lib/libintl.so.8 (0x28144000)
> %         libiconv.so.3 => /usr/local/lib/libiconv.so.3 (0x28156000)
> %         libc.so.7 => /lib/libc.so.7 (0x2824b000)
> % ldd: ksh: not a dynamic executable
> % keramida at kobe:/usr/local/bin$
> 

I've maintained a port of OpenBSD's pdksh for some time but I've never
committed it.  Think of pdksh but still actively maintained.  

http://people.freebsd.org/~tmclaugh/files/openksh/openksh-4.2.shar

[tom at releng-7-fbsd tom]$ ls -al /usr/local/bin/ksh  
-r-xr-xr-x  1 root  wheel  192032 Dec 16 18:22 /usr/local/bin/ksh*

tom

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