Sortdep
A ultrafast and efficient tabulation of integers.
Very usefull for finding coverage and depth of coverage of sequencing data.
The functionality is similar to sort -n depths.txt |uniq -c.
Installation
wget http://popgen.dk/software/download/sortDep.cpp g++ sortDep.cpp -O3 -o sortDep -lz
File below called depths.txt
chr pos depth 1 1 5 1 2 10 1 3 1 ....
./sortDep -skip 1 -col 3 depths.txt >depths