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Prefix a variable in the first column of all the records of the files with and without header

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Top Forums Shell Programming and Scripting Prefix a variable in the first column of all the records of the files with and without header
# 8  
Old 10-27-2013
Quote:
Originally Posted by dhruuv369
@bartus11: could you please help me understand your code? Thanks...
nawk 'call nawk
NR==FNRthis condition is true only for the first file - File3.CSV in this case
{x=$0;assign whole line from File3.CSV to variable "x"
next}stop processing File3.CSV
{$0=x","$0}this part is executed for second file, third, etc. prefix each line with variable "x"
1'print line
File3.CSV File1.CSV File2.CSVfiles order to be processed
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