#!/bin/bash

# Check if parameter is passed
if [ ! $# -eq 1 ]; then
    echo "Error: no parameter passed!"
    exit 1
else
    # Check if a valid dot file is passed
    if [[ $1 = /tmp/graph*.dot ]]; then
        # Check that file exists
        if [[ -f $1 ]]; then
            dot -T pdf <"$1" | zathura - && rm "$1"
        else
            echo "File $1 doesn't exist!"
            exit 1
        fi
    fi
fi