#!/bin/sh
#
# docs.sh
#
# Usage: docs.sh
#
# Opens a pdf's specific page with zathura using a references file
# The syntax of the references file must be:
# Name#Absolute path to pdf#Page number
# The only character with any logic is #, used to separate fields
# Lines starting directly with # are comments
# Empty lines are ignored
# Name can be anything and is just used for selection with dmenu

referencesFile="$HOME/.config/zathura/refs"
lines="$(wc -l "$referencesFile")"
if reference="$(sed '/^#/d' "$referencesFile" | sed '/^\s*$/d' | cut -d# -f1 |
	dmenu -l "$lines" -p "Reference: ")"; then

	line="$(grep "$reference" "$referencesFile" | sed q)"
	file="$(echo "$line" | cut -d# -f2)"
	page="$(echo "$line" | cut -d# -f3)"

	if [ -n "$page" ]; then
		zathura -P "$page" "$file" &
	else
		zathura "$file" &
	fi

fi