字符串过滤！ 外壳 linux

Question

patt= "apk"
 if [[ "$1" =~ $patt ]]; then
      echo "[-] Name of aplication type WITHOUT .apk extension!!!!!"

else
  some code...

Hey guys... i have a little problem with how to be sure to files vith extesion.apk cant be typed in!! Thanks

And this doesnt work at all! ad.sh: apk: not found ad.sh: [[: not found

Answer 1

Don't use apk as a regex (strings as tapkey will match).

You'd better extract the extension and echo your message if it's equal to apk :

ext="apk" # no space before and after = sign
if [[ ${1##*.} == "$ext" ]]; then
  echo "[-] Name of aplication type WITHOUT .apk extension!!!!!";
fi