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Adding a column with the row number using awk


 
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# 1  
Old 04-26-2010
Adding a column with the row number using awk

Is there anyway to use awk to add a first column to my data that automatically goes from 1 to n , where n is the numbers of my rows?Smilie
# 2  
Old 04-26-2010
Code:
nawk '$1=(FNR FS $1)' myFile

# 3  
Old 04-26-2010
Quote:
Originally Posted by vgersh99
Code:
nawk '$1=(FNR FS $1)' myFile

Output:
nawk: Command not found.

---------- Post updated at 12:03 PM ---------- Previous update was at 12:02 PM ----------

It worked with awk Smilie Thanks!
# 4  
Old 04-26-2010
Quote:
Originally Posted by cosmologist
Output:
nawk: Command not found.
use 'awk' or 'gawk' instead.
# 5  
Old 04-26-2010
Code:
cat -n myfile

might be even more straightforward if you are unfamiliar with that idiom
 

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