[ale] swap 2 fields (in a tabbed file)

[Geoffrey]

I want to see it in assembler..

cfowler wrote:
> int
> main(int argc, char **argv) {
>     FILE *fp;
>     char buffer[1024];
>     char *ptr, *s1, *s2;
> 
>     fp = fopen(argv[1], "r");
> 
>     while(fgets(buffer, 1024, fp) != NULL) {
>       
>        // Find first tab
>        s1 = buffer;
>        if((ptr = strchr(buffer, '\t')) != NULL)
>            *ptr++ = 0;
> 
>        // Find the <CR>
>        s2 = ptr;
>        if((ptr =strchr(ptr, 0x0d)) != NULL)
>            *ptr++;
> 
>        // Write to stdout and reverse them
>        fprintf(stdout("%s\t%s\r\n", s2, s1);
>     }
>    
> }
> 
>   
> That was C.  How about someone do perl now.
> 
> On 12/31/1969, "matty91 at bellsouth.net" <matty91 at bellsouth.net> wrote:
> 
> 
>>awk '{ print $2, " ", $1 }' /some/path/to/file
>>
>>On Wed, 29 Jan 2003, Christopher Bergeron wrote:
>>
>>
>>>-----BEGIN PGP SIGNED MESSAGE-----
>>>Hash: SHA1
>>>
>>>Does anyone know how I can swap 2 fields in a tab delimited file
>>>containing 2 fields?
>>>
>>>Here's an example of my data:
>>>~ <TAB>WOODSTOCK OUTLET<CR>
>>>AF100<TAB>METRO AUDIO DYNAMI<CR>
>>>
>>>What I'd like to do is swap the 2 fields (or do a `sort` based on the
>>>second field!) such that I end up with this:
>>>WOODSTOCK OUTLET<TAB> <CR>
>>>METRO AUDIO DYNAMICS<TAB>AF100<CR>
>>>
>>>Does anyone know of a way I can accomplish this?  I tried using cut
>>>- -f2,1 -d"t" but no adeu...
>>>
>>>As always, much thanks in advance!
>>>- -CB
>>>-----BEGIN PGP SIGNATURE-----
>>>Version: GnuPG v1.2.1 (MingW32)
>>>Comment: Using GnuPG with Netscape - http://enigmail.mozdev.org
>>>
>>>iD8DBQE+OBDCTKCy0t3zQgURAjNTAJ4+scGLwJ68zyWNCQi3zOioVQHYSgCgsbsd
>>>OQXrEikvL57cV8/Tj1vuqLg=
>>>=3GQm
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>>>
>>>
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>>>
>>
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> 
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> 

-- 
Until later: Geoffrey		esoteric at 3times25.net

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