Replace different wc in file?

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# 1  
Old 06-27-2011
Replace different wc in file?

dear all

i have case with 2 file different wc like:

wc is 32121

wc is 32130

now how to make fileA.txt same with fileB.txt??

thx before
# 2  
Old 06-27-2011
cp fileB.txt fileA.txt

above command copies the contents of fileB to fileA.

is that your requirement ?
# 3  
Old 06-27-2011
thx before your replay

not like that this condition

if fileB.txt in wc 32130 and fileA.txt wc is 32121
i want get wc 32130 - 32121=9 so i can tail -9 >file_last.txt and extract to file A with cat file_last.txt >> fileA.txt

or any now using diff???
# 4  
Old 06-27-2011

Just try this, using diff command.



diff fileA.txt fileB.txt | grep ">" | sed 's/> //g' >> fileA.txt

Last edited by Franklin52; 06-28-2011 at 03:40 AM.. Reason: Please use code tags for code and data samples, thank you
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