/usr/share/skktools/convert2skk/wnn2skk.sh is in skktools 1.3.3+0.20160513-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2
#!/bin/sh sed -f wnn2skk.sed $@ | gawk -f wnn2skk.awk -