it tools
- txt
- split
- pad
- base64
- url
- hash
- pwgen
- protocol
- idn
- browser
- compare
- paste
- ascii
- date2utime
- secmsg
- ip
- dupes
- tab2lf
- sqbox
- urlexpand
- replace
- grep
- tab2ar

photo tools
- dof
- exif
- dfov
- afov
- stops
- nd
- copyright

about

grep

input:

grep for:
--invert-match:
--ignore-case:

output: