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[Dakusan]

Original post for Directory Difference in Web Browser can be found at https://www.castledragmire.com/Posts/Directory_Difference_in_Web_Browser.
Originally posted on: 08/23/09

Since my FileSync Project is still a long way to being where I want it to be and is in a state that makes it annoying to use, I decided to throw together a script that essentially emulates the primary functions of it for what I need. I find it a bit annoying that I’ve never been able to find another good project that does exactly what I want for quick syncing of files over networks . I used to think rsync would be a good solution for it but it’s very... quirky and unstable in certain ways. Not as flexible as I would like. Alas.

Anywho, this PHP script takes 2 file lists and gives you back their differences in a directory tree view. Each file has a data string after it used to tell if the files are different. The data string can be anything you want, but will usually probably be a timestamp or data checksum. The tree view lets you hide files/directories depending on whether each item is only on one side, different, or the same. An example is as follows (List1, List2):

Dir1.txt files Data String (Timestamps) Same.txt 9999-99-99 99:99:99 Diff.txt 9999-99-99 99:99:99 LeftOnly.txt 9999-99-99 99:99:99 PartialDir/Same.txt 9999-99-99 99:99:99 PartialDir/Diff.txt 9999-99-99 99:99:99 PartialDir/LeftOnly.txt 9999-99-99 99:99:99 SameDir/Same.txt 9999-99-99 99:99:99 LeftOnlyDir/Left.txt 9999-99-99 99:99:99 LeftOnlyDir/Left2.txt 9999-99-99 99:99:99 DiffDir/Diff.txt 9999-99-99 99:99:99

Dir2.txt files Data String (Timestamps) Same.txt 9999-99-99 99:99:99 Diff.txt 1111-11-11 11:11:11 RightOnly.txt 9999-99-99 99:99:99 PartialDir/Same.txt 9999-99-99 99:99:99 PartialDir/Diff.txt 1111-11-11 11:11:11 PartialDir/RightOnly.txt 9999-99-99 99:99:99 SameDir/Same.txt 9999-99-99 99:99:99 RightOnlyDir/Right.txt 9999-99-99 99:99:99     DiffDir/Diff.txt 1111-11-11 11:11:11

Example Output:

Legend:

• Differences:
  • No differences detected
  • File is different, or directory contains differences
  • File is only found on left side, when this happens to a directory, it is only counted as 1 difference
  • File is only found on right side, when this happens to a directory, it is only counted as 1 difference
• Type:
  • This is a directory with sub items. After the directory name, it lists as info the number of differences over the total number of sub items
  • This is a file. If both sides contain the file but are different, it lists as info the different strings
• Info about the file/directory listed in between parenthesis.

Options:

• Display all items
• Display only same files (Displays all directories)
• Display different items (Does not display synced directories)
  • Do not display left only items
  • Do not display right only items

Left Side: ./Dir1.txt
Right Side: ./Dir2.txt
Total Differences: 9
Total Items: 13

• DiffDir (1/1)
  • Diff.txt (9999-99-99 99:99:99 :: 1111-11-11 11:11:11)
• LeftOnlyDir (1/2)
  • Left.txt
  • Left2.txt
• PartialDir (3/4)
  • Diff.txt (9999-99-99 99:99:99 :: 1111-11-11 11:11:11)
  • LeftOnly.txt
  • RightOnly.txt
  • Same.txt
• RightOnlyDir (1/1)
  • Right.txt
• SameDir (0/1)
  • Same.txt
• Diff.txt (9999-99-99 99:99:99 :: 1111-11-11 11:11:11)
• LeftOnly.txt
• RightOnly.txt
• Same.txt

Some example bash commands used to create file lists:

• Output all files and their timestamps to “Dir1.txt”: find -type f -printf '%P\t%T+\n' > Dir1.txt
• Output all files and their md5sums to “Dir1.txt”: find -type f -print0 | xargs -0 md5sum | perl -pe 's/^(.*?) (.*)$/$2\t$1/g' > Dir1.txt