Shell Programming and Scripting

    for myfile in `find . -name "R*VER" -mtime +1`
    do
       SHELLVAR=`grep ^err $myfile || echo "No error"`
       ECHO $SHELLVAR
    done

    No error
    err ->BIST Login Fail 3922 err 
    No error
    err ->IR Remote Key 1 3310 err

  for myfile in `find . -name "R*VER" -mtime +1`
    do
       SHELLVAR=`grep ^err $myfile || echo "No error"`
       awk -v awkvar=${SHELLVAR} '{print awkvar}'
    done

    awk: cmd. line:1: fatal: cannot open file `{print awkvar}' for reading (No such file or directory)

awk -v awkvar=${SHELLVAR}

awk -v awkvar="${SHELLVAR}"

awk -v awkvar="${SHELLVAR}" "$myfile"

find ... | while read myfile; do
  ...
done