I have a file with following data

A
B
C

A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
.
.
.
A
B
C

My shell is csh

cat file file file .... file > newfile

Suresh,

you can try writing a loop and cat the file once in that loop. you can pass the number of times the loop should run as parameter.

#!/bin/ksh

export x=0
while [ $x -eq 0 ]
do
cat file
done

Just change 5 to how many times you want to print...

 
for ((i=1;i<=5;i++))
do
cat file 
done > out_file