Random minor cleanups

bin/key-check

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 trap "exit 1" TERM
 export TOP_PID=$$
@@ -79,7 +79,7 @@ incorrect_number_of_arguments () {
   test $ARG_COUNT -ne 3
 }
 
-is_file () {
+file? () {
   local readonly file=$1
 
   [[ -f $file ]]
@@ -94,15 +94,15 @@ main () {
     usage
   fi
 
-  if ! is_file $certificate; then
+  if ! file? $certificate; then
     file_error $certificate
   fi
 
-  if ! is_file $key; then
+  if ! file? $key; then
     file_error $key
   fi
 
-  if ! is_file $csr; then
+  if ! file? $csr; then
     file_error $csr
   fi
 

bin/ssh-hosts

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 IFS=$'\n'
 
 readonly PROGRAM_NAME=$(basename $0)

bin/watchd

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 readonly PROGRAM_NAME=$(basename "$0")
 readonly PROGRAM_LOC=$(readlink -m "$(dirname $0)")
@@ -37,34 +37,34 @@ alert_update () {
   echo "[$now] Directory Updated"
 }
 
-is_dir? () {
+directory? () {
   local readonly directory=$1; shift
 
   [[ -d $directory ]]
 }
 
-is_int? () {
+integer? () {
   local readonly number=$1; shift
 
   [[ $number =~ ^[0-9]+$ ]]
 }
 
-is_empty? () {
+empty? () {
   local var=$1; shift
 
   [[ -z $var ]]
 }
 
 check_arguments () {
-  if is_empty? "$DIRECTORY" || is_empty? "$WAIT_TIME"; then
+  if empty? "$DIRECTORY" || empty? "$WAIT_TIME"; then
     error "missing operand"
   fi
 
-  if ! is_dir? "$DIRECTORY"; then
+  if ! directory? "$DIRECTORY"; then
     error "$DIRECTORY is not a directory"
   fi
 
-  if ! is_int? "$WAIT_TIME"; then
+  if ! integer? "$WAIT_TIME"; then
     error "$WAIT_TIME is not an integer"
   fi
 }

bin/whatthecommit

@@ -1,4 +1,9 @@
 #!/usr/bin/env bash
 
 git add .
-curl -s whatthecommit.com | sed 's/<[^>]\+>//g' | sed '1,39d' | head -1 | xargs -0 git commit -m 
+
+curl -s whatthecommit.com \
+  | sed 's/<[^>]\+>//g' \
+  | sed '1,39d' \
+  | head -1 \
+  | xargs -0 git commit -m