From cb9e20e554647d9ca6585af0bf7b3d220dda3eef Mon Sep 17 00:00:00 2001
From: William Melody <hi@williammelody.com>
Date: Sat, 18 Apr 2015 21:06:26 -0700
Subject: [PATCH] Use capitalized form of $_ME variable.

The capitalized version of this variable makes it easier to override,
even though this is not technically part of the external API. There is
no known downside of using the capitalized version of the variable.
---
 hosts | 82 +++++++++++++++++++++++++++++------------------------------
 1 file changed, 41 insertions(+), 41 deletions(-)

diff --git a/hosts b/hosts
index c25d5f0..6d8843d 100755
--- a/hosts
+++ b/hosts
@@ -245,12 +245,12 @@ _debug printf "\$command_parameters: %s\n" "${command_parameters[*]:-}"
 # Environment
 ###############################################################################
 
-# $_me
+# $_ME
 #
 # Set to the program's basename.
-_me=$(basename "$0")
+_ME=$(basename "$0")
 
-_debug printf "\$_me: %s\n" "$_me"
+_debug printf "\$_ME: %s\n" "$_ME"
 
 ###############################################################################
 # Load Commands
@@ -475,7 +475,7 @@ _print_desc() {
 
 desc version <<EOM
 Usage:
-  $_me ( version | --version )
+  $_ME ( version | --version )
 
 Description:
   Display the current program version.
@@ -490,10 +490,10 @@ version() {
 
 desc help <<EOM
 Usage:
-  $_me help [<command>]
+  $_ME help [<command>]
 
 Description:
-  Display help information for $_me or a specified command.
+  Display help information for $_ME or a specified command.
 EOM
 help() {
   if [[ ${#command_argv[@]} = 1 ]]; then
@@ -509,26 +509,26 @@ A program for managing host file entries.
 Version: $_VERSION
 
 Usage:
-  $_me
-  $_me add <ip> <hostname> [comment]
-  $_me remove ( <ip> | <hostname> | <search string> ) [--force]
-  $_me list [enabled | disabled | <search string>]
-  $_me show ( <ip> | <hostname> | <search string> )
-  $_me disable ( <ip> | <hostname> | <search string> )
-  $_me disabled
-  $_me enable ( <ip> | <hostname> | <search string> )
-  $_me enabled
-  $_me edit
-  $_me file
-  $_me -h | --help
-  $_me --version
+  $_ME
+  $_ME add <ip> <hostname> [comment]
+  $_ME remove ( <ip> | <hostname> | <search string> ) [--force]
+  $_ME list [enabled | disabled | <search string>]
+  $_ME show ( <ip> | <hostname> | <search string> )
+  $_ME disable ( <ip> | <hostname> | <search string> )
+  $_ME disabled
+  $_ME enable ( <ip> | <hostname> | <search string> )
+  $_ME enabled
+  $_ME edit
+  $_ME file
+  $_ME -h | --help
+  $_ME --version
 
 Options:
   -h --help  Display this help information.
   --version  Display version information.
 
 Help:
-  $_me help [<command>]
+  $_ME help [<command>]
 
 $(commands)
 EOM
@@ -541,7 +541,7 @@ EOM
 
 desc commands <<EOM
 Usage:
-  $_me commands [--raw]
+  $_ME commands [--raw]
 
 Options:
   --raw  Display the command list without formatting.
@@ -570,7 +570,7 @@ commands() {
 #
 # desc example <<EOM
 #   Usage:
-#     $_me example
+#     $_ME example
 #
 #   Description:
 #     Print "Hello, World!"
@@ -589,7 +589,7 @@ commands() {
 
 desc add <<EOM
 Usage:
-  $_me add <ip> <hostname> [comment]
+  $_ME add <ip> <hostname> [comment]
 
 Description:
   Add a given IP address and hostname pair, along with an optional comment.
@@ -600,11 +600,11 @@ add() {
   local hostname=${2:-}
   local comment=${*:3}
   if [[ -z ${ip} ]]; then
-    $_me help add
+    $_ME help add
     exit 1
   elif [[ -z ${hostname} ]]; then
     printf "Please include a hostname\n"
-    $_me help add
+    $_ME help add
     exit 1
   elif grep \
     -e "^${ip}\t${hostname}$" \
@@ -631,7 +631,7 @@ add() {
 
 desc disable <<EOM
 Usage:
-  $_me disable ( <ip> | <hostname> | <search string> )
+  $_ME disable ( <ip> | <hostname> | <search string> )
 
 Description:
   Disable one or more records based on a given ip address, hostname, or
@@ -641,7 +641,7 @@ disable() {
   _verify_write_permissions
   local search_term=$1
   if [[ -z "${search_term}" ]]; then
-    $_me help disable
+    $_ME help disable
     exit 1
   else
 
@@ -656,20 +656,20 @@ disable() {
 
 desc disabled <<EOM
 Usage:
-  $_me disabled
+  $_ME disabled
 
 Description:
   List all disabled records. This is an alias for \`hosts list disabled\`.
 EOM
 disabled() {
-  $_me list disabled
+  $_ME list disabled
 }
 
 # ------------------------------------------------------------------------ edit
 
 desc edit <<EOM
 Usage:
-  $_me edit
+  $_ME edit
 
 Description:
   Open the ${HOSTS_PATH} file in your \$EDITOR.
@@ -687,7 +687,7 @@ edit() {
 
 desc enable <<EOM
 Usage:
-  $_me enable ( <ip> | <hostname> | <search string> )
+  $_ME enable ( <ip> | <hostname> | <search string> )
 
 Description:
   Enable one or more disabled records based on a given ip address, hostname,
@@ -697,7 +697,7 @@ enable() {
   _verify_write_permissions
   local search_term=$1
   if [[ -z "${search_term}" ]]; then
-    $_me help enable
+    $_ME help enable
     exit 1
   else
     target_regex="s/^\#disabled: \(.*${search_term}.*\)$/\1/"
@@ -713,20 +713,20 @@ enable() {
 
 desc enabled <<EOM
 Usage:
-  $_me enabled
+  $_ME enabled
 
 Description:
   List all enabled records. This is an alias for \`hosts list enabled\`.
 EOM
 enabled() {
-  $_me list enabled
+  $_ME list enabled
 }
 
 # ------------------------------------------------------------------------ file
 
 desc file <<EOM
 Usage:
-  $_me file
+  $_ME file
 
 Description:
   Print the entire contents of the ${HOSTS_PATH} file.
@@ -739,7 +739,7 @@ file() {
 
 desc list <<EOM
 Usage:
-  $_me list [enabled | disabled | <search string>]
+  $_ME list [enabled | disabled | <search string>]
 
 Description:
   List the existing IP / hostname pairs, optionally limited to a specified
@@ -756,7 +756,7 @@ list() {
     elif [[ "$1" == enabled ]]; then
       grep -v -e '^$' -e '^\s*\#' "${HOSTS_PATH}"
     else
-      $_me show "$1"
+      $_ME show "$1"
     fi
   else
     # NOTE: use separate expressions since using a | for the or results in
@@ -772,7 +772,7 @@ list() {
 
 desc remove <<EOM
 Usage:
-  $_me remove ( <ip> | <hostname> | <search string> ) [--force]
+  $_ME remove ( <ip> | <hostname> | <search string> ) [--force]
 
 Options:
   --force  Skip the confirmation prompt.
@@ -785,7 +785,7 @@ remove() {
   _verify_write_permissions
   local search_string=${1:-}
   if [[ -z $search_string ]]; then
-    $_me help remove
+    $_ME help remove
     exit 1
   else
     local target_records=$(sed -n "s/^\(.*${search_string}.*\)$/\1/p" "${HOSTS_PATH}")
@@ -820,7 +820,7 @@ remove() {
 
 desc show <<EOM
 Usage:
-  $_me show ( <ip> | <hostname> | <search string> )
+  $_ME show ( <ip> | <hostname> | <search string> )
 
 Description:
   Print entries matching a given IP address, hostname, or search string.
@@ -834,7 +834,7 @@ show() {
     [[ -n "$enabled_records"  ]] && printf "%s\n" "$enabled_records"
     [[ -n "$disabled_records" ]] && printf "%s\n" "$disabled_records"
   else
-    $_me help show
+    $_ME help show
     exit 1
   fi
 }