參考鏈接:https://blog.csdn.net/lyxleft/article/details/82222452
需求:遍歷目錄下的所有後綴爲bin的文件,利用strings命令輸出文件內包含的字符串。
for file in ./*
do
if [ "${file##*.}"x = "bin"x ]
then
filename=`basename $file`
temp_filename=`basename $file .bin`
suf=.txt
new_filename=${temp_filename}${suf}
echo "==========================================" >> ${new_filename}
echo $filename >> ${new_filename}
#cmd="awk '/AT/{print}' ${filename} >> ${new_filename}"
cmd="strings ${filename} > ${new_filename}"
eval $cmd
fi
# printf "no!\n "
done
需求:遍歷目錄下所有後綴爲txt的文件,利用awk命令獲取包含目標字符串的字符串,寫入到一個文件中。
for file in ./*
do
if [ "${file##*.}"x = "txt"x ]
then
filename=`basename $file`
temp_filename=`basename $file .txt`
suf=AT
new_filename=${suf}
echo "==========================================" >> ${new_filename}
echo $filename >> ${new_filename}
cmd="awk '/AT/{print}' ${filename} >> ${new_filename}"
#cmd="strings ${filename} > ${new_filename}"
eval $cmd
fi
# printf "no!\n "
done
這裏尋找的字符串是"AT",輸出的文件名稱也是AT。
PS: 符號: > 代表的是覆蓋輸出。
符號:>> 代表的是追加輸出。