#!/bin/bash

find "$1" | while read name; do
  iname=`file "$name"|awk -F: '{print $2}'| sed -e 's/ //g'`
  if [ ! "$iname" == 'directory' ] && [ ! "$iname" == 'symbolic' ]; then
    filetime=`ls -l "$name" --time-style +%Y%m%d | awk '{print $6}'`
    if [ $2 -le $filetime ] && [ $filetime -le $3 ]; then
      echo $name
    fi
  fi
done

#!/bin/bash
#
for path in /FTP/*/DOWNLOAD ; do
    cd $path
    compay=`pwd | awk -F/ '{print $(NF-1)}'`

    ls -l $1 | grep ^[^d] | awk '{print $9}' | sed -e '/^$/d' | while read name;do
    if [ ! `echo $name | awk '/^CCO/'` ]; then
        modifytime=`ls -l $name --time-style +%Y%m%d | awk '{print $6}'`
        newname=CCO_"$compay"_SZ"$modifytime"01_SZ_V04."$name".txt
        echo "rename $path/$name to $path/$newname ..."
        mv $path/$name $path/$newname
        echo "modify the content of $newname"
        sed -i '1d; s/[^|]*|//; s/|/||/g' $newname
        sed -i '1{/^13/!d}' $newname
    fi
    done
done

root@ubuntu:~/test# cat re
#!/bin/bash
# code by thatday
#
ls -l $1 | grep ^[^d] | awk '{print $9}'| while read line; do
do=`echo $line | grep $2`

if [ ! "$do" = "" ]; then
   newname=`echo $line | sed 's/'$2'/'$3'/g'`
   echo "rename $line to $newname ..."
   mv $1/$line $1/$newname
fi
done

root@ubuntu:~# chmod +x re


root@ubuntu:~# ls -l test/
total 4
-rw-r--r-- 1 root root    0 Jul  9 13:45 20070808jjj
-rw-r--r-- 1 root root    0 Jul  9 13:45 20070809abc
-rw-r--r-- 1 root root    0 Jul  9 13:45 aaa20070809bb
drwxr-xr-x 2 root root 4096 Jul  9 12:05 bak
-rw-r--r-- 1 root root    0 Jul  9 13:45 ccccc200708091
-rw-r--r-- 1 root root    0 Jul  9 13:45 dddd20070809aj

root@ubuntu:~# ./re test/ 20070809 20070810
rename 20070809abc to 20070810abc ...
rename aaa20070809bb to aaa20070810bb ...
rename ccccc200708091 to ccccc200708101 ...
rename dddd20070809aj to dddd20070810aj ...
root@ubuntu:~# ls test/
20070808jjj  20070810abc  aaa20070810bb  bak  ccccc200708101  dddd20070810aj

index=1
while [ $index -le 100 ]
do

。。。
index=$(($index +1))
done

#!/bin/bash
while :;do
    ((++index))
    echo $index
    ((index==100))&&break
done

for i in {1..100}
  do
   .......
  done

min=1
max=100
while [ $min -le $max ]
    do
       echo $min
        min=`expr $min + 1`
done

seq 1 100

printf '%d\n' {1..100}