Shell Programming and Scripting

if grep "Schema Area" >/dev/null file &&
   grep stock         >/dev/null file &&
   grep route_drop    >/dev/null file && 
   grep test123       >/dev/null file
then   
  echo correct
else
  echo incorrect
fi

if { grep "Schema Area" file &&
     grep stock         file &&
     grep route_drop    file &&
     grep test123       file
   } > /dev/null
then
  echo correct
else
  echo incorrect
fi

grep: illegal option -- q
Usage: grep -hblcnsviw pattern file

/usr/xpg4/bin/grep

awk '/^size/ && ! NF==6 { print "Something missing" } filename

 awk '$1 ~ /^Size/ && NF != 7 { print "Something missing"}' filename

cmd_oput=$( some_command args ... 2>&1 )

ct1=0 ct2=0 ct3=0 ct4=0
 
while read l
 do
  case "$l" in
   (*"Schema Area"*)
    (( ct1++ ))
    ;;
   esac
  case "$l" in
   (*stock*) 
    (( ct2++ ))
    ;;
   esac
  case "$l" in
   (*route_drop*) 
    (( ct3++ ))
    ;;
   esac
  case "$l" in
   (*test123*) 
    (( ct4++ ))
    ;;
   esac
 done < in_file
# process counts $ct1-4 to determine response