Grep pattern used for getting files can be modified to reduce the for loop iteration as you're going to rename only file names which are less than or equal to 8 characters with .doc extension.

@files = sort grep /^.{1,8}\.doc$/, readdir(DIR);

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In reply to Re^3: I have a folder which is having 1200 files,all the file names are have maximum of 8 character length.I need to remove last character from each of the filnames and prefix it with character "A" by nvivek
in thread I have a folder which is having 1200 files,all the file names are have maximum of 8 character length.I need to remove last character from each of the filnames and prefix it with character "A" by perladdict

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