awk PPAPでお勉強

■スペース
awk '{print $1,$2,$3}' ファイル名


# echo "I have a Pen , an Apple and Pineapple " | awk '{print $4}'
Pen

# echo "I have a Pen , an Apple and Pineapple " | awk '{print $7 " " $9}'
Apple Pineapple




■区切り文字指定
#  echo "I have a Pen, /an Apple /a Pineapple " | awk -F , '{print $2}'
 /an Apple /a Pineapple

# echo "I have a Pen, /an Apple /a Pineapple " | awk -F / '{print $3}'
a Pineapple

# echo "I have a Pen, /an Apple /a Pineapple " | awk -F an '{print $2}'
 Apple /a Pineapple


■まとめ PPAP

# APEN=$(echo "I have a Pen. I have an Apple." | awk '{print $8 $4 "!"}')
# echo "Uhnn" $APEN
Uhnn Apple.Pen.!

# PPEN=$(echo "I have a Pen. I have a Pineapple." | awk '{print $8 $4 "!"}')
# echo "Uhnn" $PPEN
Uhnn Pineapple.Pen.!

# echo $APEN $PPEN
Apple.Pen.! Pineapple.Pen.!


# echo "I have a Pen. I have a Pineapple. I have an Apple." | awk '{print "Uhnn" " " $4 $8 $12 $4 "!"}'

Uhnn Pen.Pineapple.Apple.Pen.!

Thanks for
http://www.ksknet.net/linuxai/awk.html