#！/bin/bash
  for files in `ls *.`
  do
        mv $files `echo "$filests" `
  done
2. 同上
mv  $files ${files}ts
3. 同上
mv  $files  `$files.ts|sed 's//.//' `
4. file ＝>file.txt
mv  $files  $files.txt
5. *.04  => *04.txt
mv $files $(echo ${files}.txt|sed 's//.//1')
或
mv $files  `echo ${files}.txt|sed 's//.//1' `

1. rename
rename .old .new  *
2.
mv $files ${file%.old}.new
3.
mv $files `echo $files|tr .old .new`
4.
mv $files `echo $files|sed 's//.old//.new/' `

1.  mv $files `echo $files |sed 's//.dat//' `
2.  mv $files  `echo $files|tr .dat  （4空格）`

1.  mv $files un${$files#re}
2.  mv $files `echo $files | tr re un`