Replace $var by ${var}

1 files changed, 17 insertions, 17 deletions

diff --git a/etc/functions/help b/etc/functions/help
index db3eca1..bad1b75 100644
--- a/etc/functions/help
+++ b/etc/functions/help
@@ -6,47 +6,47 @@ typeset method topic
 typeset -i found check_only all
 methods=(man zshfunction zshbuiltin apt)
 
-while [[ $1 == -* ]] {
-	case $1 in
+while [[ ${1} == -* ]] {
+	case ${1} in
 		-a|--all) all=1 ;;
 		-c|--check-only) check_only=1 ;;
-		-t|--topic) topic=$2; shift ;;
+		-t|--topic) topic=${2}; shift ;;
 		-|--) shift; break ;;
-		*) echo "unknown option: $1" ;;
+		*) echo "unknown option: ${1}" ;;
 	esac
 	shift
 }
 
-function help_check_man      { man -w $1 &> /dev/null }
-function help_check_zshfunction { whichf $1 &> /dev/null }
+function help_check_man      { man -w ${1} &> /dev/null }
+function help_check_zshfunction { whichf ${1} &> /dev/null }
 function help_check_zshbuiltin  { (( ${+builtins[$1]} )) }
 function help_check_apt {
-	[[ $commands[$1] != ${HOME}* ]] && [[ -n $commands[$1] ]] && [[ -n $commands[apt-file ]]
+	[[ ${commands[$1]} != ${HOME}* ]] && [[ -n ${commands[$1]} ]] && [[ -n ${commands[apt-file]} ]]
 }
 
-function help_show_man       { man $1 }
-function help_show_zshfunction  { finfo $1 }
-function help_show_zshbuiltin   { man zshbuiltins | less -p "       $1" }
+function help_show_man       { man ${1} }
+function help_show_zshfunction  { finfo ${1} }
+function help_show_zshbuiltin   { man zshbuiltins | less -p "       ${1}" }
 function help_show_apt {
-	apt-cache show ${(s/:/)$(apt-file search -F $commands[$1])[1]}
+	apt-cache show ${(s/:/)$(apt-file search -F ${commands[$1]})[1]}
 }
 
-if [[ -z $1 ]] {
+if [[ -z ${1} ]] {
 	echo "Usage: help <command>" > /dev/stderr
 	return 1
 }
 
-for method in $methods; {
-	if [[ -n $topic && $method != $topic ]] {
+for method in ${methods}; {
+	if [[ -n ${topic} && ${method} != ${topic} ]] {
 		continue
 	}
-	if help_check_$method $1; then
+	if help_check_${method} ${1}; then
 		((found++))
 		if ((check_only)) {
-			echo $method
+			echo ${method}
 			continue
 		}
-		help_show_$method $1
+		help_show_${method} ${1}
 		((all)) || break
 	fi
 }