#!/bin/bash

# This is helper that should replace a number of common commands
#
# It is intended to be named `lk`, short for "look"

longView=${PAGER:-$(which less || which more || echo "cat")}
dirView="ls --color=auto -Alh"

if [ $# -lt 1 ]; then
    # take stdin instead
    $dirView $(pwd)
fi

for a in $@; do
    if [ $a == "" ]; then
        echo "Empty argument skipped"
    elif [ ! -e $a ]; then
        echo "$a does not exist" 1>&2
        exit -1
    elif [ -d $a ]; then
        $dirView $a
    elif [ $(tput lines) -ge $(($(wc -l < $a) - 2)) ]; then
        cat $a
    else
        ${longView} $a
    fi
done