Merge files

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# 1  
Old 07-26-2011
Merge files


I have a application software plink. It can merge files with some kinds of way.
The command likes:
plink --file 1 --merge 2 --recode --out merged

That means merge file 1 and 2 then output file "merged".
However I have 23 files (1,2,3,...22,23)to be merged together. How can I use a loop to complete it quickly?

# 2  
Old 07-26-2011
How about something like
plink --file 1 --merge 2 --recode --out merged

for ((i=3; i<=23;i++ ))
   plink --file merged --merge $i --recode --out tmpfile
   mv tmpfile merged

# 3  
Old 07-26-2011
Thanks. I want to mark ir as resloved but not sure how.
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