I do always try to understand what a script is doing and why you would choose one method over another. Thanks for all the additional explanations. I have never quite understood why you get lots of fragmenting on a drive with 500GB of empty space. It seems as if rsync tends to lead to very fragmented repositories.
Linux find file by extension then delete script how to#
Here is how to check if a file exists in Linux Bash shell: parameter FILE OR test parameter FILE OR parameter FILE Where parameter can be any one of the following:-e: Returns true value if a file exists. Remove File Using SubString of Filename Remove Files with File Extension in Linux. Syntax to find out if file exists with conditional expressions in a Bash Shell. Hence the pattern 'test' considers all files with names containing the substring ‘test‘. All told it took almost 24 hours to run, but I find I need to keep these backups well maintained, or they eventually bork and you have to reformat and start again. For example, to remove all files contain the substring ‘test‘, we can run: rm test Here, the '' implies ‘any string‘. I also did a defrag/optimize (auslogics) and clean out of MFT records. I generally presume that there is no fast script based method to process a directory tree with 4+ million files. I ran this while I was out for a while and I didn't run it under time, so I can't comment on how fast the method is compared to other possibilities. Worked well and cleared out about 50GB or older incremental versions. I keep notes on what I have used for various situations, especially those methods that worked well.įind. For example, to find all files ending with.
If you give this option and a file is deleted between the time find. Searching for files by extension is the same as searching for files by name. The script attempts to detect your Linux distribution and version and configure your package management. This is more or less always what I end up doing and I guess it is a reasonable way to proceed in most cases. ignorereaddirrace Normally, find will emit an error message when it fails to stat a file. The script requires root or sudo privileges to run. That is why I gave you the command I am familiar and experienced with.
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