The following script, read inputfile.txt
and append it into outputfile.txt
until it reach a size of 2GB
.
filename_in="inputfile.txt"
filename_out="outputfile.txt"
size="2000000000" #2GB
echo > $filename_out
while [ $(stat -c%s "$filename_out") -lt "$size" ]; do
echo file size = $(stat -c%s "$filename_out")
cat $filename_in >> $filename_out
done