#!/bin/sh
# macho - an interactive man page finder using fzf
# from: https://hiphish.github.io/blog/2020/05/31/macho-man-command-on-steroids/

while getopts ":s:" opt; do
    case $opt in
        s ) SECTION=$OPTARG; shift; shift;;
        \?) echo "Invalid option: -$OPTARG" >&2; exit 1;;
        : ) echo "Option -$OPTARG requires an argument" >&2; exit 1;;
    esac
done

manual=$(apropos -s ${SECTION:-''} ${@:-.} | \
    grep -v -E '^.+ \(0\)' |\
    awk '{print $2 "    " $1}' | \
    sort | \
    dmenu -i -l 20 -p "Manual: " | \
    sed -E 's/^\((.+)\)/\1/')

echo $manual
[ -z "$manual" ] && exit 0;

man -T"${FORMAT:-pdf}" $manual | ${READER:-zathura} -