What you've got here is a shell problem, not a sort problem.
Although I'm sure I've done it in the past, I can't at the moment
figure out how to make it happen in tcsh.
One option is to grab the improved textutils from
http://alexautils.sourceforge.net
where all field based tools have '--dt' to specify what you want, as
part of the Alexa standard :
--dw shortcut for the inexpressible --delimiter=WHITESPACE
--dz shortcut for --delimiter=ZERO
--ds shortcut for --delimiter=SPACE
--dt shortcut for --delimiter=TAB
--De shortcut for inexpressible --output-delimiter=EMPTY
--Dz shortcut for --output-delimiter=ZERO
--Ds shortcut for --output-delimiter=SPACE
--Dt shortcut for --output-delimiter=TAB
I supposed some sort of tcsh command of the form
/bin/bash -c 'that sort command that wors in bash'
might work.
adj
At 2:26 AM -0400 6/15/02, Jim Fohlin wrote:
>Hi,
>
>It appears that one can't specify just a tab (a tab and only a tab) as
>sort's field-separator. As shown below, the UNIX example does it
>right whereas the Linux example fails.
>
>Is this a bug/limitation or did I miss the correct way to do this?
>
>I can work around this in bash using:
> TAB=`echo -e "\t"`
> sort -t"$TAB" ...
>
>but this trick doesn't work with tcsh using:
> setenv TAB `/bin/echo -e "\t"`
>
>Must be the different way expressions are expanded with quotes in the
>two shells.
>
>Jim
>
>
>$ cat /tmp/x
>2 x, a1
>2 x, b
>1 x, a2
>
>NB: Each line consists of x,
>
>***
>
>RH 7.2, textutils-2.0.14-2
>
>$ sort -t'\t' -u -k2,2 -k1,1 /tmp/x
>sort: multi-character tab `\t'
>
>***
>
>Compaq Tru64 UNIX V5.1 (Rev. 732)
>
>% sort -t'\t' -u -k2,2 -k1,1 /tmp/x
>2 x, a1
>1 x, a2
>2 x, b
>
>***
>
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