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Shell Programming and Scripting

Add row as a column

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# 1  
Old 08-03-2013
Add row as a column
I have a unix file which has the below format. one row with one column and few rows with 6 columns. I want to add the first row as column to the below rows.

Current file
Code:
br95
sbd 234 567 abc dsb xyz
dcb 434 567 abc dsb xyz
cbd 434 567 abc dsb xyz
2bd 234 567 abc dsb xyz
br75
sbd 234 567 abc dsb xyz
dcb 434 567 abc dsb xyz
db83
cbd 434 567 abc dsb xyz
2bd 234 567 abc dsb xyz
sbd 234 567 abc dsb xyz

Expected file

Code:
br95 sbd 234 567 abc dsb xyz
br95 dcb 434 567 abc dsb xyz
br95 cbd 434 567 abc dsb xyz
br95 2bd 234 567 abc dsb xyz
br75 sbd 234 567 abc dsb xyz
br75 dcb 434 567 abc dsb xyz
db83 cbd 434 567 abc dsb xyz
db83 2bd 234 567 abc dsb xyz
db83 sbd 234 567 abc dsb xyz

# 2  
Old 08-03-2013
Here is one method using awk:

Code:
awk '{if (NF==1) x=$1; else print x,$0}' input.txt

Code:
br95 sbd 234 567 abc dsb xyz
br95 dcb 434 567 abc dsb xyz
br95 cbd 434 567 abc dsb xyz
br95 2bd 234 567 abc dsb xyz
br75 sbd 234 567 abc dsb xyz
br75 dcb 434 567 abc dsb xyz
db83 cbd 434 567 abc dsb xyz
db83 2bd 234 567 abc dsb xyz
db83 sbd 234 567 abc dsb xyz

# 3  
Old 08-03-2013
syntax error
Thanks for you response. I have tried this but getting syntax error

Code:
awk '{if (NF==1) x=$1 else print x,$0}' LOG_FILE1

Code:
awk: {if (NF==1) x=$1 else print x,$0}
awk:                  ^ syntax error

# 4  
Old 08-03-2013
Quote:
Originally Posted by anita81
I have tried this but getting syntax error
Take a closer look at your code. It is not identical to what was suggested.

Regards,
Alister
# 5  
Old 08-03-2013
Thanks I missed the semi colon.

I have tried the code
Code:
 
 
awk '{if (NF==1) x=$1; else print x,$0}' LOG_FILE1

I'm getting the row copied as a column only to the next row but not all the rows below.


Code:
br95 sbd 234 567 abc dsb xyz
       dcb 434 567 abc dsb xyz
       cbd 434 567 abc dsb xyz
       2bd 234 567 abc dsb xyz
br75 sbd 234 567 abc dsb xyz
       dcb 434 567 abc dsb xyz
db83 cbd 434 567 abc dsb xyz
        2bd 234 567 abc dsb xyz
        sbd 234 567 abc dsb xyz

But not as

Code:
 
br95 sbd 234 567 abc dsb xyz
br95 dcb 434 567 abc dsb xyz
br95 cbd 434 567 abc dsb xyz
br95 2bd 234 567 abc dsb xyz
br75 sbd 234 567 abc dsb xyz
br75 dcb 434 567 abc dsb xyz
db83 cbd 434 567 abc dsb xyz
db83 2bd 234 567 abc dsb xyz
db83 sbd 234 567 abc dsb xyz

# 6  
Old 08-04-2013
Are you by any chance using a Solaris system? If so, use /usr/xpg4/bin/awk, /usr/xpg6/bin/awk, or nawk instead of just awk.
This User Gave Thanks to Don Cragun For This Post:
anita81
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