Lots: Miscellaneous style changes

cconvert

@@ -1,2 +1,2 @@
-#!/bin/bash
+#!/usr/bin/env bash
 printf "%d %d %d\n" 0x${1:0:2} 0x${1:2:2} 0x${1:4:2}

fetch

@@ -1,5 +1,6 @@
 #!/bin/sh
-if `which neofetch > /dev/null 2>&1`; then
+name="$(basename $0 .sh)"
+if $(which neofetch > /dev/null 2>&1); then
 	neofetch\
 		--disable model resolution\
 		--block_range 0 15\
@@ -7,5 +8,5 @@ if `which neofetch > /dev/null 2>&1`; then
 		--xoffset 4 --yoffset 4
 	scrot "$HOME/Pictures/Screenshots/neofetch-`date +%s`.png"
 else
-	printf 'fetch: Neofetch is not installed; aborting\n'
+	printf "$name: Neofetch is not installed; aborting\n"
 fi

mklatex

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Copyright (c) 2017 rehashedsalt/vintagesalt
 # 

test-notifications

@@ -1,4 +1,5 @@
 #!/bin/sh
+which notify-send > /dev/null 2>&1 || exit 1
 notify-send -u low "Low Urgency Notification" "This is a simple test notification with low urgency. It's okay to ignore me, I guess."
 notify-send -u normal "Normal Urgency Notification" "This is another simple test notification with normal urgency. My information will help you work."
 notify-send -u critical "High Urgency Notification" "This notification really should grab your attention! It's important!"

tubetop

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Copyright (c) 2017 rehashedsalt/vintagesalt
 # 

tubetop2

@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 #
 # tubetop2
 # Copyright (C) 2018 rehashedsalt <salt@lap-th-e560-0>