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ヒットしたキーワードの前後数行をファイルに抽出

Posted at

set

export UE=3 #上何行
export SITA=4 #下何行

export FILE=hoge #ファイル名

export KEY=keyword #キーワード

exec

for i in grep -n $KEY $FILE|awk -F: '{print $1 } '
do
export BASE=expr $i + $SITA

export SITAA=`expr $UE + 1 + $SITA`

echo ----------
head -$BASE $FILE| tail -$SITAA
echo ----------

done

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