lesskey

# http://man7.org/linux/man-pages/man1/lesskey.1.html

#command

# disabled back-line
y  noaction
^Y noaction
Y  noaction
^P noaction

# disabled forw-line
\r noaction
\n noaction
j  noaction
e  noaction
^E noaction
^N noaction

# disabled forw-screen
f  noaction
^F noaction
\40 noaction
^V noaction
\e\40 noaction

# disabled back-screen
b  noaction
^B noaction
\ev noaction

# disabled forw-window back-window
z noaction
w noaction

# TODO turn off more things that I won't use.

^Q  quit
^F  forw-search
\kU back-scroll
\kD forw-scroll

# iokl
j  back-line
J  back-line-force
^J back-scroll
\40 forw-line
^\40 forw-scroll
i  back-screen
o  forw-screen
k  left-scroll
l  right-scroll

#env

# this below line solves jank boundary scrolling.
LESS_TERMCAP_vb=

# TODO this isn't working. why? it works on version 643, but not on 590?
# less command behaviour:
# +X : enable startup termcap
# -F : print to console if 1 page
# -q : medium-quiet
# -R : interpret escape-sequences
# -J : show status-column
# -N : show line numbers (off)
# -M : use long prompt
# -i : ignore case in searches that are lowercase
# -x3: use <N> as tabstop
# -#6: use <N> as the horizontal scroll amount
# -S : chop long lines
LESS=-+X -F -qRJMi -x3 --shift=6 -S --use-color