[nSLUG] gawk... @#^&##&^!!- ;-)

George N. White III gnwiii at gmail.com
Thu Mar 11 16:26:11 AST 2010


On Thu, Mar 11, 2010 at 4:21 PM, Jason Kenney <jdkenney at gmail.com> wrote:
> It just looks like bad syntax to me  :)
>
> You have $hash instead of just hash in the first place you use it.

I second this suggestion.  With just the deletion of one '$' the output is:

0005b186aaaf0114b60685e2ea5a1a41:new:33619
0008d656ad44e3167a673d5859c23aa8:new:20788
0008d656ad44e3167a673d5859c23aa8:old:01123
new::old:01123
000e63eefbd422fb00c73cd3fcd034d8:new:13135
00106f312cdfa88965c2d9d6d933a144:new:05629
0012c059f0b1a4ae7ca31f09d643d0db:new:12496
00161f484478012ee57f309ae79f4111:new:32212
0018f8aba382f6b4a04e7f29031e0e58:new:10048
0018f8aba382f6b4a04e7f29031e0e58:old:05921
new::old:05921
0019cd240cd81f41607f7b60eaf86ec2:new:36133
0019cd240cd81f41607f7b60eaf86ec2:old:04200
new::old:04200
001dd3feb1716aadc0ac50f8f3371feb:new:39733
001fa91f4dcbae90e6a33c51aea620c9:new:24385
002c181d94759cada0b629bf91e51015:new:41545
002ded4193a37217568d0e93ba776498:new:35305
002e3cd58b2efe701dc6517d5998a7cf:new:07687
002e3cd58b2efe701dc6517d5998a7cf:old:03802
new::old:03802
002e959175c5e73273752e743c2536bf:new:17593
002e959175c5e73273752e743c2536bf:old:03161
new::old:03161
002ff56b75a72bdcca401ff9bba14907:new:35167


>
>
> Jason
>
> On Thu, Mar 11, 2010 at 4:11 PM, David Potter <dlpotter at eastlink.ca> wrote:
>>
>> My poor, old, head is fried so I'll not suggest the logic is correct. I'm
>> trying to find records that have $1 identical , save  $3 from the first (as
>> new record number) and sent the new record# and the old record# to output.
>>
>> I'm getting an odd, recurring error that has me wondering if there is a bug
>> in this version of gawk - I know, I know... poor workman to blame the
>> tools... ;-)
>>
>> Data in:
>>
>> 0005b186aaaf0114b60685e2ea5a1a41  -:new:33619
>> 0008d656ad44e3167a673d5859c23aa8  -:new:20788
>> 0008d656ad44e3167a673d5859c23aa8  -:old:01123
>> 000e63eefbd422fb00c73cd3fcd034d8  -:new:13135
>> 00106f312cdfa88965c2d9d6d933a144  -:new:05629
>> 0012c059f0b1a4ae7ca31f09d643d0db  -:new:12496
>> 00161f484478012ee57f309ae79f4111  -:new:32212
>> 0018f8aba382f6b4a04e7f29031e0e58  -:new:10048
>> 0018f8aba382f6b4a04e7f29031e0e58  -:old:05921
>> 0019cd240cd81f41607f7b60eaf86ec2  -:new:36133
>> 0019cd240cd81f41607f7b60eaf86ec2  -:old:04200
>> 001dd3feb1716aadc0ac50f8f3371feb  -:new:39733
>> 001fa91f4dcbae90e6a33c51aea620c9  -:new:24385
>> 002c181d94759cada0b629bf91e51015  -:new:41545
>> 002ded4193a37217568d0e93ba776498  -:new:35305
>> 002e3cd58b2efe701dc6517d5998a7cf  -:new:07687
>> 002e3cd58b2efe701dc6517d5998a7cf  -:old:03802
>> 002e959175c5e73273752e743c2536bf  -:new:17593
>> 002e959175c5e73273752e743c2536bf  -:old:03161
>> 002ff56b75a72bdcca401ff9bba14907  -:new:35167
>>
>> Ubuntu - gawk
>>
>> #!/bin/bash
>>
>> cat /tmp/hash_combined | sed -e 's/[ \t\-]*//g' | gawk -F: '
>> {
>>
>> # testing...
>> print $0
>> # end testing...
>>
>> if ($hash == $1) { printf("new:%s:old:%s\n", $new_id, $3);
>> hash=$1; new_id=$3; next; }
>>
>> else { hash=$1; new_id=$3; next; }
>>
>> }'
>>
>> Output
>>
>> 0005b186aaaf0114b60685e2ea5a1a41:new:33619
>> 0008d656ad44e3167a673d5859c23aa8:new:20788
>> 0008d656ad44e3167a673d5859c23aa8:old:01123
>> 000e63eefbd422fb00c73cd3fcd034d8:new:13135
>> 00106f312cdfa88965c2d9d6d933a144:new:05629
>> 0012c059f0b1a4ae7ca31f09d643d0db:new:12496
>> 00161f484478012ee57f309ae79f4111:new:32212
>> 0018f8aba382f6b4a04e7f29031e0e58:new:10048
>> 0018f8aba382f6b4a04e7f29031e0e58:old:05921
>> 0019cd240cd81f41607f7b60eaf86ec2:new:36133
>> 0019cd240cd81f41607f7b60eaf86ec2:old:04200
>> 001dd3feb1716aadc0ac50f8f3371feb:new:39733
>> 001fa91f4dcbae90e6a33c51aea620c9:new:24385
>> new::old:24385
>> 002c181d94759cada0b629bf91e51015:new:41545
>> new::old:41545
>> 002ded4193a37217568d0e93ba776498:new:35305
>> 002e3cd58b2efe701dc6517d5998a7cf:new:07687
>> 002e3cd58b2efe701dc6517d5998a7cf:old:03802
>> 002e959175c5e73273752e743c2536bf:new:17593
>> 002e959175c5e73273752e743c2536bf:old:03161
>> gawk: cmd. line:11: (FILENAME=- FNR=19) fatal: attempt to access field
>> -2147483648
>>
>>
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>>
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-- 
George N. White III <aa056 at chebucto.ns.ca>
Head of St. Margarets Bay, Nova Scotia



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