# unset possible system-defined aliases.
unalias l ll lll llll la laa &> /dev/null
unset l ll lll llll la laa &> /dev/null
# list files in dir.
l()
{
ls -lhvt --si --group-directories-first "$@"
}
# list all files in dir, incl. hidden files.
ll()
ls -lAhvt --si --group-directories-first "$@"
# list files in tree structure.
# usage: lll [DEPTH] [DIRS]
lll()
local IFS=$'\n'
local depth="${1}"
local target=("${@:2}")
[[ "${target}" = "" ]] && target="."
[[ "${depth}" = "" ]] && depth=666
[[ "${depth}" = "-" ]] && depth=666
tree -a -L "${depth}" -- "${target[@]}"
# list files recursively.
llll()
ls -RlAhvt --si --group-directories-first "$@"
# list files alphabetically.
la()
ls -lh --si --group-directories-first "$@"
# list all files alphabetically.
laa()
ls -lAh --si --group-directories-first "$@"
# export.
export -f l ll lll llll la laa