concatenate files with identifier


 
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# 1  
Old 11-16-2008
concatenate files with identifier

Hi all

I concatenate files using cat. Each file contains only one csv data. for example,

file1
100

file2
200

cat file1 file2 > newfile

newfile
100
200

However, is there any way to insert identifier when using cat command?

for example,

newfile should have

file1 100
file2 200


Thanks in advance.
# 2  
Old 11-16-2008
Try...
Code:
awk '{print FILENAME, $0}' file1 file2 > newfile

 
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