毎日小さな練習--join,sed
joinを使用してフィールドを接続します.
#cat a
$cat b
#cat merge.sh
#./merge.sh a b
#cat a
#
# d
susan 150
wxw 132
rose 228
lee 595
$cat b
# date
# li ang
susan 100
lee 200
wxw 150
rose 300
#cat merge.sh
#! /bin/sh
# merge.sh
sed '/^#/d' $1 | sort > $1.sorted
sed '/^#/d' $2 | sort > $2.sorted
join $1.sorted $2.sorted
rm $1.sorted $2.sorted
#./merge.sh a b
lee 595 200
rose 228 300
susan 150 100
wxw 132 150