Use shutil to find fd bin on system path

This reverts commit 9c776c3400.

.gitignore

@@ -1,5 +1,6 @@
 *.pkg.tar.xz*
 helper-scripts
+helper-scripts.rb
 helper-scripts.spec
 PKGBUILD
 pkg

cptemplate.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copy a file from ~/Templates to a given name
 #
 # Dependencies:

ddusb.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 """Wrapper script for using dd to write to a USB drive."""
 
 import argparse

drivetemp.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 """Check the temperature of a drive.
 Functions:
     verify_device_node(query)

fedit.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 """
 Fuzzy-find a file and edit it.
 

fless.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # fless - fuzzy find a file and run less on it
 # Dependencies
 # - fd (soft)

gek.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Export a key to a given keyfile
 
 echo -n "Enter the name of the output file: "

getweather.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 """Obtain a weather forecast."""
 
 import argparse

lsgroups.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # List all groups in the system
 
 sort <(awk -F ':' '{print $1}' < /etc/group)

lsusers.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # List all users on the system
 
 sort --unique <(awk -F ':' '{print $1}' < /etc/passwd)

open.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # open - fuzzy find, select, and open a file using xdg-open
 #
 # Dependencies:

quickdel.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 """
 quickdel - delete any file matching a query
 
@@ -30,7 +30,7 @@ import subprocess
 from termcolor import colored
 
 # ========== Constants ==========
-FD_BIN = "/usr/bin/fd"
+FD_BIN = shutil.which("fd")
 FD_OPTS = ["--hidden"]
 # Matches 'y' or 'yes' only, ignoring case
 USER_RESPONSE_YES = r"^[Yy]{1}([Ee]{1}[Ss]{1})?$"