shell脚本基本经典程序

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Linux系统: shell脚本基本经典程序
时间：2013/9/11 13:39:51  作者：说歌社区  来源：www.solgle.com  查看：373  评论：0
内容摘要：#using if and then to select file or directoryif [ ! -e logical ]; then 琀漀甀挀栀 logical 攀挀栀漀 "Just make a file logical" 攀砀椀琀 1elif [ ...
#using if and then to select file or directory
if [ ! -e logical ]; then
   touch logical
   echo "Just make a file logical"
   exit 1
elif [ -e logical ] && [ -f logical ]; then
   rm logical
   mkdir logical
   echo "remove file ==> logical"
   echo "and make directory logical"
   exit 1
elif [ -e logical ] && [ -d logical ]; then
   rm -rf logical
   echo "remove directory ==> logical"
   exit 1
else
   echo "Does here have anythings?"
fi

#using until do done
echo "Press Y/y to stop"
until [ "$yn" = "Y" ] || [ "$yn" = "y" ]
do
   read yn
done
echo "stop here"

#using for do done
LIST="tomy jony mary Geoge"
for i in $LIST
do
   echo $i
done

#using case mode
echo "Press your select one,two,three"
read number
case $number in
   one)
       echo "your choice is one"
       ;;
   two)
       echo "your choice is two"
       ;;
   three)
       echo "your choice is three"
       ;;
   *)
       echo "Usage (one|two|three)"
       exit 1
esac

#uting while and loop
declare -i i
declare -i s
while [ "$i" != "101" ]
do
   s=s+i
   i=i+1
done
echo "The count is ==> $s"

标签：shell脚本基本经典程序


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