Replace $var by ${var}

1 files changed, 18 insertions, 18 deletions

diff --git a/etc/functions/extract b/etc/functions/extract
index 9312678..2156dab 100644
--- a/etc/functions/extract
+++ b/etc/functions/extract
@@ -2,25 +2,25 @@
 ## Extract archives
 ## Usage: extr <file>
 
-if [[ -f $1 ]] {
-	case $1 in
-		*.(tar.bz2|tbz2)) tar xvjf $* ;;
-		*.(tar.gz|tgz)) tar xvzf $* ;;
-		*.tar.lzma) unlzma $1 | tar xv ;;
-		*.ace) unace e $1 ;;
-		*.rar) unrar x $1 ;;
-		*.deb) ar -x $1 ;;
-		*.bz2) bunzip2 $1 ;;
-		*.lzh) lha x $1 ;;
-		*.gz) gunzip $1 ;;
-		*.tar) tar xvf $* ;;
-		*.zip) unzip $1 ;;
-		*.Z) uncompress $1 ;;
-		*.cpio) cpio --no-absolute-filenames -idv < $1 ;;
-		*.lzma) unlzma $1 ;;
-		*) echo "Unknown archive type: $1"; return 2 ;;
+if [[ -f ${1} ]] {
+	case ${1} in
+		*.(tar.bz2|tbz2)) tar xvjf ${*} ;;
+		*.(tar.gz|tgz)) tar xvzf ${*} ;;
+		*.tar.lzma) unlzma ${1} | tar xv ;;
+		*.ace) unace e ${1} ;;
+		*.rar) unrar x ${1} ;;
+		*.deb) ar -x ${1} ;;
+		*.bz2) bunzip2 ${1} ;;
+		*.lzh) lha x ${1} ;;
+		*.gz) gunzip ${1} ;;
+		*.tar) tar xvf ${*} ;;
+		*.zip) unzip ${1} ;;
+		*.Z) uncompress ${1} ;;
+		*.cpio) cpio --no-absolute-filenames -idv < ${1} ;;
+		*.lzma) unlzma ${1} ;;
+		*) echo "Unknown archive type: ${1}"; return 2 ;;
 	esac
 } else {
-	echo "No such file: $1"
+	echo "No such file: ${1}"
 	return 1
 }