Add error throw for no file specified

pull/71/head
Mark Szymanski 2011-07-17 13:22:49 -05:00
parent 561c4d60a0
commit 1051720257
1 changed files with 6 additions and 1 deletions

View File

@ -1,4 +1,9 @@
extract () {
if [ $# -ne 1 ]
then
echo "Error: No file specified."
return 1
fi
if [ -f $1 ] ; then
case $1 in
*.tar.bz2) tar xvjf $1 ;;
@ -12,7 +17,7 @@ extract () {
*.zip) unzip $1 ;;
*.Z) uncompress $1 ;;
*.7z) 7z x $1 ;;
*) echo "'$1' cannot be extracted via >extract<" ;;
*) echo "'$1' cannot be extracted via extract" ;;
esac
else
echo "'$1' is not a valid file"