Smith-Waterman local alignment emboss water -asequence $input1 -bsequence $input2 -outfile $out_file1 -gapopen "$gapopen" -gapextend "$gapextend" -brief $brief -aformat3 $out_format1 -auto .. class:: warningmark The input datasets need to be sequences. ----- You can view the original documentation here_. .. _here: http://emboss.sourceforge.net/apps/release/5.0/emboss/apps/water.html