UNIX for Dummies Questions & Answers

if [ -f $FILE ];
then
echo 0
else
echo 1
fi

ls GL*.csv &> /dev/null
if [ "$?" -eq "0" ]
then
  echo "Pattern found"
else
  echo "Not found"
fi

if ls GL*.gsv > /dev/null 2> /dev/null
then
        echo "Pattern exists"
else
        echo "Pattern doesn't exist"
fi

[~/tmp]$ result=$(echo $(for i in test.* ; do if [ -e $i ] ; then echo 1; fi;done |uniq ))
[~/tmp]$ if [ 0$result -gt 0 ] ; then echo OK;fi
OK
[~/tmp]$

COUNT=$(find ./folder -name 'GL*.csv' 2> /dev/null | wc -l)

if [ "$COUNT" -gt 0 ]
then
        echo "Found $COUNT files matching pattern"
else
        echo "No files matching pattern"
fi