# some funny stuff
function dif {
	diff -u "$@" | yiff
}
function lf {
	typeset F_FIL
	find . -maxdepth 1 -iname "*${1}*" \
	 | sort \
	 | while IFS=$'\n' read -r F_FIL; do
	  print -r -- "${F_FIL##*/}"; done
}
function nd {
	mkdir -p "$1" && cd "$1" && ls
}
function reduc {
	print -r -- "scale=2;(${1//,/.}*${2//,/.})/100;(${1//,/.}-.)/1" | bc
}
function shadate {
	# GNU date(1)
	if (( ${#1} == 5 )); then
		date -d @"$(( #$1 * 86400 ))"
	elif (( ${#1} == 8 )); then
		print -r -- "$(( #$(date -d "$1" '+%s') / 86400 ))"
	elif (( ${#1} == 10 )); then
		date -d @"$1"
	else
		print -r -- "$(( #$(date '+%s') / 86400 ))"
	fi
}
function tva {
	print -r -- "scale=2;(${1//,/.}*0.2)/1;(${1//,/.}+.)/1" | bc
}