memuse() {
    ps axo rss,comm,pid \
        | awk '{ proc_list[$2] += $1; } END \
        { for (proc in proc_list) { printf("%d\t%s\n", proc_list[proc],proc); }}' \
        | sort -n | tail -n 10 | sort -rn \
        | awk '{$1/=1024;printf "%.0fMB\t",$1}{print $2}'
}


pdf()
{
    if [[ $# -ne 1 ]]; then
        echo 'Usage: pdf <file>' >&2
    else
        local dir=$(mktemp -d -p /tmp pdf_conversion.XXXXXX)
        local outFile="${1##*/}"
        local outFile="${outFile%.*}"
        pdftohtml -noframes -i -s "$1" "${dir}/${outFile}.html"
        w3m -s "${dir}/${outFile}.html"
    fi
}