I am working on a bioinformatics project where I am looking at very large genomes. Seg only reads 135 lines at a time, so when we feed the genomes in it gets overloaded. I am trying to create a perl command that will split the sections into 135 line sections. The character limit would be 10,800 since there are 80 columns. This is what i have so far I am working on a bioinformatics project where