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Transpose data as rows using awk

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# 1  
Old 02-11-2014
Transpose data as rows using awk
Hi I have below requirement, need help

One file contains the meta data information and other file would have the data, match the column from file1 and with file2 and extract corresponding column value and display in another file

File1:
Code:
CUSTTYPECD
COSTCENTER
FNAME
LNAME
SERVICELVL

File2:
Code:
CUSTTYPECD:B|FNAME:JOHN|LNAME:PETER
CUSTTYPECD:B|COSTCENTER:11014|FNAME:RAJ|LNAME:KUMAR|SERVICELVL:1501
CUSTTYPECD:A|FNAME:ANDREW|LNAME:BOB|SERVICELVL:1501

Output:
Code:
CUSTTYPECD|COSTCENTER|FNAME|LNAME|SERVICELVL
B|null|JOHN|PETER|null
B|11014|RAJ|KUMAR|1501
A|null|ANDREW|BOB|1501

Note: Second file has missing column values and that could repeat through the file any of the column and column value corresponding to that could be missed.

Any help is greatly appreciated..

Thanks
Last edited by Don Cragun; 02-11-2014 at 12:21 PM.. Reason: Add CODE tags.
# 2  
Old 02-11-2014
You could try something like:
Code:
awk -F '[:|]' '
FNR == NR {
        # Gather and print column headings from 1st input file:
        head[$1] = ++head_count
        printf("%s%s", FNR == 1 ? "" : "|", $1)
        next
}
FNR == 1 && NR != 1 {
        # We have read the 1st line in the 2nd input file...  Add terminating
        # newline to output heading.
        printf("\n")
}
{       for(i = 1; i <= head_count; i++)
                # Clear output fields...
                out[i] = "null"
        for(i = 1; i <= NF; i += 2)
                # Odd fields are column headings, even fields are data for the
                # corresponding output column.  Gather output data...
                out[head[$i]] = $(i + 1)
        for(i = 1; i <= head_count; i++)
                # Print the accumlated output for this linput line...
                printf("%s%s", out[i], i == head_count ? "\n" : "|")
}' File1 File2

If you want to run this on a Solaris/SunOS system, use /usr/xpg4/bin/awk, /usr/xpg6/bin/awk, or nawk instead of the default /usr/bin/awk.
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