> perl gen-long-llil.pl long1.txt 600
generating short long test file 'long1.txt' with count '600'
file size=65616000

> perl gen-long-llil.pl long2.txt 600
generating short long test file 'long2.txt' with count '600'
file size=65616000

> perl gen-long-llil.pl long3.txt 600
generating short long test file 'long3.txt' with count '600'
file size=65616000