Shell Programming and Scripting

varA=$(tail -200 /var/log/data.txt | egrep -c "Capital|capitol")
varB=$(tail -200 /var/log/data.txt | egrep -c "State|Country")
varC=$(tail -200 /var/log/data.txt | egrep -c "City|Town")

AllVars=$(echo $(tail -200 /var/log/data.txt |  awk '/Capital|capitol/ {++c} END {print +c}' ;  awk '/State|Country/ {++c} END {print +c}' ; awk '/City|Town/ {++c} END {print +c}'))
varA=$(echo ${AllVars} | awk '{print $1}')
varB=$(echo ${AllVars} | awk '{print $2}')
varC=$(echo ${AllVars} | awk '{print $3}')

tail -200 /var/log/data.text | awk '
/[Cc]apital/ { varA=$0}
/State|Country/ { varB=$0 }
/City|Town/ { varC=$0}'

read varA varB varC << EOF
$( 
  tail -200 /var/log/data.text | 
  awk '
    /Capital|capitol/ {a++}
    /State|Country/   {b++}
    /City|Town/       {c++} 
    END {print a+0,b+0,c+0}
  '
)
EOF

eval $(
  tail -200 /var/log/data.text |
  awk '
    /Capital|capitol/ {a++}
    /State|Country/ {b++}
    /City|Town/ {c++}
    END {print "varA="a+0, "varB="b+0, "varC="c+0}
  '
)