Reading Files recursively without using Modules.

[Milleniumlegend]

Could you please provide me with a code snippet or something where we can read the files recursively.
Say If I have a root folder and folders within them with files. I want to read the files recursively.

dir1
dir2
dir3 -> Files
dir4 -> Files
dir5
dir6 -> Files

and so on.

I want to read all the files and want to store the path to those files.

Could someone provide me with some tips.

Thanks

 

[tchatzi]

Take a look at opendir and readdir functions of perl.

or on your prompt you could try

> perldoc opendir

and

> perldoc readdir

``The wise man doesn't give the right answers,
he poses the right questions.''
TIMTOWTDI

 

[ishnid]

As a matter of interest, why don't you want to use modules? File::Find is a standard module that ships with most, if not all, Perl distributions and will do recursive file iteration for you.

 

[icrf]

I wholeheartedly agree with ish on File::Find, it's been standard since 5.005 or something, you have the module, you'll really thank yourself for using it.

But, long ago before I knew of such things, I wrote something that recursively copied files in thread219-541056, it could be easily altered to do whatever task you need.

________________________________________
Andrew

I work for a gift card company!

 

[mikevh]

Here's another example without File::Find:
thread219-1038148

 

[DotSlashJames]

I find that File::Find is decent for simple stuff. For recursive travesals with more specific operations in mind opendir, readdir, and chdir are simple and effective... if you have a good algorithm of course

./james

 

[Milleniumlegend]

I would like to tweak the readdir and implement my own solution. Where I have a fixed format of directories and then have a list of files within each directory that I want to distinguish based on their timestamps and store the timestamps and the path and the filename in a hash so that I can then compare all the folders and files under a directory and then place the files in a shared area based on their file extensions.

I would like to use File stat and do a recurisve lookup of folders for all the files with a particular extension.