Hallo Thorsten,
while implementing 256-color support for my MUA i placed the
following script in the manual
cat > t.sh << \!
fg() { printf "\033[38;5;${1}m($1)"; }
bg() { printf "\033[48;5;${1}m($1)"; }
i=0
while [ $i -lt 256 ]; do fg $i; i=$(($i + 1)); done
printf "\033[0m\n"
i=0
while [ $i -lt 256 ]; do bg $i; i=$(($i + 1)); done
printf "\033[0m\n"
!
and when running it it seems that mksh(1) (this is @(#)MIRBSD KSH
R51 2015/07/10 packaged for ArchLinux) uses a (i'm guessing its
edit) line buffer until that overflows the first time, before
passing the final data through to STDOUT:
?0[sdaoden@wales tmp]$ time bash t.sh >/dev/null
0m0.05s real 0m0.03s user 0m0.01s system
?0[sdaoden@wales tmp]$ time dash t.sh >/dev/null
0m0.02s real 0m0.01s user 0m0.01s system
?0[sdaoden@wales tmp]$ time mksh t.sh >/dev/null
0m6.76s real 0m2.04s user 0m4.28s system
--steffen
