On Thu, Dec 09, 2004 at 07:41:47PM -0800, Allen Brown wrote:
> On Thu, 9 Dec 2004, Jacob Meuser wrote:
>
> > On Thu, Dec 09, 2004 at 05:21:32PM -0800, Bob Miller wrote:
> > > Jacob Meuser wrote:
> > >
> > > > ah, nice. I was worried about the leading spaces as well, but printf
> > > > seems to take care of that:
> > > >
> > > > $ tb=0; for i in *; do b=`wc -c < $i`; b=`printf "%d" $b`; \
> > > > tb=`expr $tb + $b`; done; echo $tb
> > >
> > > You didn't quote $b before passing it to expr, so the shell will strip
> > > off spaces there.
> > >
> > > $ tb=0; for i in *; do b=`wc -c < $i`; \
> > > tb=`expr $tb + $b`; done; echo $tb
> >
> > didn't work for me. shell is zsh 4.2.0 (i386-unknown-openbsd3.6).
> >
> > expr: non-numeric argument
> > expr: syntax error
> > expr: syntax error
> > expr: syntax error
> > ...
> >
> > --
> > <[EMAIL PROTECTED]>
>
> I'm not a zsh user. But if you put the following into a file
> and make it executable it will work no matter what shell you
> normally use.
yes, this will be a script. I am aware that there are differences
between the command line and a script, but I figured if it would
work on the command line, that would be a good first step :)
> #!/bin/bash
> typeset -i tb=0
> for file in *; do tb=$tb+$(wc -c < $file); done
> echo $tb
well, that doesn't work with OpenBSD's /bin/sh.
puff:~/ssm% echo $PATH
/home/jakemsr/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/X11R6/bin
puff:~/ssm% cat /home/jakemsr/bin/file-size
#!/bin/sh
typeset -i bt=0
for file in *
do
tb=$tb+$(wc -c < $file)
done
echo $tb
exit 0
puff:~/ssm% file-size
+ 1887 + 1360 + 3756
puff:~/ssm% ls -l
total 16
-rw------- 1 jakemsr jakemsr 1887 Jun 17 20:45 43X.ssm
-rw------- 1 jakemsr jakemsr 1360 Jun 17 20:46 a_synth.ssm
-rw------- 1 jakemsr jakemsr 3756 Jun 17 20:46 carbohydrate.ssm
puff:~/ssm%
I'd rather rely on the existence of perl than bash ;/
> Well, actually, it has a defect. It doesn't behave correctly
> when $i is a directory. Do you need this to work recursively
> into subdirectories?
no, not yet anyway. if needed, I could replace '*' with some `find`
invocation and then step into subdirectories manually.
--
<[EMAIL PROTECTED]>
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