Shell Programming and Scripting

tail -1 FBOC810G_140305.CSV | awk -F[\"\.] '{print $2}'

#!/bin/ksh
if [ $# -ne 1 ] || [ ! -r "$1" ] || [ ! -f "$1" ]
then    printf 'Usage: %s readable_regular_file\n' "${0##*/}" >&2
        exit 2
fi
awk -F '[.+"]' '
FNR == 1 { f = FILENAME }
{          t = $2;n = $4 }
END {      if(t == "TRAILER") {
                print f, "transfer complete,", n + 0, "lines."
                exit 0
           }
           print f, "transfer incomplete."
           exit 1
}' "$1"

Line 1
Line 2
Line 3
Line 4
Line 5
Line 6
"TRAILER.1+0000007+1"

./checker complete.txt

complete.txt transfer complete, 7 lines

./checker incomplete.txt

incomplete.txt transfer incomplete.

tail -1 FBOC810G_140305.CSV | awk -F[\"\.] '{print $2}'
TRAILER

echo "TRAILER.1+0000007+1" | awk -F[\"\.] '{print $1}'

echo '"TRAILER.1+0000007+1"' | awk -F[\"\.] '{print $2}'