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Full Discussion: Match and Grep the nearest value in last field
Top Forums Shell Programming and Scripting Match and Grep the nearest value in last field Post 302947816 by jiam912 on Monday 22nd of June 2015 04:06:10 PM
Old 06-22-2015
Match and Grep the nearest value in last field
Gents

I have this input file
file1 (uniq records)
Code:
54503207851 170211240
54503207911 170210837
54503208111 170215105
54503208112 170215210
54655210011 170223140
54655210091 170223738
54655210172 170224355
54655210251 170224741
54655210331 170225039
54655210411 170225505
54655210492 170230224
54655210571 170230632
54655210651 170231004
54655210731 170231601

Code:
file2 (duplicate records)
54503207851  1     1         11       2600      54503207851 170211240
54503207911  1     1          7       2600      54503207911 170210837
54503208111  1     7    1301482       2600      54503208111 170215105
54503208112  2     1          8       2600      54503208112 170215210
54655210011  1     1          1       2597      54655210011 170223140
54655210091  1     1          4       2597      54655210091 170223738
54655210172  2     1          2       2597      54655210172 170224355
54655210251  1     1          2       2597      54655210251 170224748 
54655210251  1     1          2       2597      54655210251 170224742
54655210331  1     1          1       2597      54655210331 170225040
54655210411  1     1          1       2597      54655210411 170225505
54655210492  2     1         46       2597      54655210492 170230024 
54655210492  2     1          1       2597      54655210492 170230225
54655210571  1     1          3       2597      54655210571 170230632
54655210651  1     1          1       2597      54655210651 170231004
54655210731  1     1          2       2597      54655210731 170231601

desired output
Code:
54503207851 170211240 1     1         11       2600      54503207851 170211240
54503207911 170210837 1     1          7       2600      54503207911 170210837
54503208111 170215105 1     7    1301482       2600      54503208111 170215105
54503208112 170215210 2     1          8       2600      54503208112 170215210
54655210011 170223140 1     1          1       2597      54655210011 170223140
54655210091 170223738 1     1          4       2597      54655210091 170223738
54655210172 170224355 2     1          2       2597      54655210172 170224355
54655210251 170224741 1     1          2       2597      54655210251 170224742
54655210331 170225039 1     1          1       2597      54655210331 170225040
54655210411 170225505 1     1          1       2597      54655210411 170225505
54655210492 170230224 2     1          1       2597      54655210492 170230225
54655210571 170230632 1     1          3       2597      54655210571 170230632
54655210651 170231004 1     1          1       2597      54655210651 170231004
54655210731 170231601 1     1          2       2597      54655210731 170231601

i am using the following code to get the output
Code:
awk '{x=substr($0,1,22)} FNR==NR{a[substr($0,1,11)]=$0;next} {print x, a[substr($0,1,11)]?  OFS a[substr($0,1,11)] : OFS "9999" }' file2 file1

The point is to match the column 1 in both files but to grep from file2 the nearest value comparing columns 2 in file1 and 7 in file2..

With my code I got any of them,, the purpose is to get the close value matching column 1 and comparing last column.

Thanks for your help
 

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