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Full Discussion: Insert FileName to headers
Top Forums Shell Programming and Scripting Insert FileName to headers Post 302925900 by ali.seifaddini on Thursday 20th of November 2014 05:02:45 AM
Old 11-20-2014
Insert FileName to headers
hi there

I have a lot of files with same number of rows and columns.$2 and $3 are the same in all files .
I run awk script and merge $2,$3,$1 from first file and $1 from another files.

I would like to know how to modify awk script to insert filename as header for merged columns ( Expected Result).

Thanks in advance.

Code:
awk 'BEGIN{OFS = "\t"}
  NR == FNR {a[$2 " " $3] = $1; next}
  {a[$2 " " $3] = (a[$2 " " $3] OFS $1)}
  END {for(x in a) print (x OFS a[x])}' *  > Result.csv

FileName:SG1
Code:
  76   3.62945 101.54361  2.000
  76   3.62945 101.54862  2.000
  75   3.62945 101.55362  2.000
  73   3.62945 101.55863  2.000
  76   3.62446 101.54361  2.000
  77   3.62446 101.54862  2.000
  77   3.62446 101.55362  2.000
  76   3.62446 101.55863  2.000
  77   3.61946 101.54361  2.000
  78   3.61946 101.54862  2.000
  78   3.61946 101.55362  2.000
  79   3.61946 101.55863  2.000
  77   3.61447 101.54361  2.000
  78   3.61447 101.54862  2.000
  78   3.61447 101.55362  2.000
  80   3.61447 101.55863  2.000


FileName:SG2
Code:
  74   3.62945 101.54361  2.000
  74   3.62945 101.54862  2.000
  74   3.62945 101.55362  2.000
  74   3.62945 101.55863  2.000
  74   3.62446 101.54361  2.000
  74   3.62446 101.54862  2.000
  74   3.62446 101.55362  2.000
  76   3.62446 101.55863  2.000
  75   3.61946 101.54361  2.000
  75   3.61946 101.54862  2.000
  75   3.61946 101.55362  2.000
  78   3.61946 101.55863  2.000
  75   3.61447 101.54361  2.000
  76   3.61447 101.54862  2.000
  76   3.61447 101.55362  2.000
  79   3.61447 101.55863  2.000


FileName:SG3
Code:
  71   3.62945 101.54361  2.000
  71   3.62945 101.54862  2.000
  71   3.62945 101.55362  2.000
  74   3.62945 101.55863  2.000
  72   3.62446 101.54361  2.000
  72   3.62446 101.54862  2.000
  72   3.62446 101.55362  2.000
  76   3.62446 101.55863  2.000
  72   3.61946 101.54361  2.000
  73   3.61946 101.54862  2.000
  74   3.61946 101.55362  2.000
  78   3.61946 101.55863  2.000
  74   3.61447 101.54361  2.000
  75   3.61447 101.54862  2.000
  75   3.61447 101.55362  2.000
  79   3.61447 101.55863  2.000

Result AWK
Code:
3.62945 101.55362	75	74	71
3.61447 101.55863	80	79	79
3.61447 101.55362	78	76	75
3.61946 101.54862	78	75	73
3.61946 101.54361	77	75	72
3.62945 101.55863	73	74	74
3.61946 101.55863	79	78	78
3.61946 101.55362	78	75	74
3.62446 101.54862	77	74	72
3.62446 101.54361	76	74	72
3.62446 101.55863	76	76	76
3.62446 101.55362	77	74	72
3.62945 101.54862	76	74	71
3.62945 101.54361	76	74	71
3.61447 101.54862	78	76	75
3.61447 101.54361	77	75	74

Expected Result:
Code:
                        SG1     SG2     SG3
3.62945 101.55362	75	74	71
3.61447 101.55863	80	79	79
3.61447 101.55362	78	76	75
3.61946 101.54862	78	75	73
3.61946 101.54361	77	75	72
3.62945 101.55863	73	74	74
3.61946 101.55863	79	78	78
3.61946 101.55362	78	75	74
3.62446 101.54862	77	74	72
3.62446 101.54361	76	74	72
3.62446 101.55863	76	76	76
3.62446 101.55362	77	74	72
3.62945 101.54862	76	74	71
3.62945 101.54361	76	74	71
3.61447 101.54862	78	76	75
3.61447 101.54361	77	75	74

 

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