Shell Programming and Scripting

$ cat -n ifelseif_01.sh
     1  #!/bin/sh
     2  if [ -f find -name xxx.txt ] then
     3  echo "file found"
     4  echo "job successful"
     5  fi
     6  if [ $? != 0 ] then
     7  echo "error message"
     8  fi

$ ./ifelseif_01.sh
./ifelseif_01.sh: line 5: syntax error near unexpected token `fi'
./ifelseif_01.sh: line 5: `fi'

 cat -n ifelseif_01.sh
     1  #!/bin/sh
     2
     3  if [ -f sqlscript_01.sh ]
     4  then
     5  echo "file found"
     6  echo "job successful"
     7  else
     8  echo "file not found"
     9  fi

#!/bin/sh
counter=0
search='sqlscript_01.sh'
find // -type f -follow -name "${search}"  -print | while read filename
do
        counter=$(( $counter + 1 ))
        echo "File found : ${filename}"
done
if [ $counter -eq 0 ]
then
        echo "File not found : ${search}"
fi