I’m building a script in linux that will remove files from the disc that aren’t in used currently by the OS. I want to use find command so I can execute rm for all the files that I find that are not open. I tried so far this command without success:
find /folderToSearch/ -type f | while read filename ; do /sbin/fuser -s $filename || echo $filename ; done
I found this command in some website it supposed to print all files that are not in used. Although when I open using ‘vi’ command concurrently to find it still printing the filename.
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Answer
To get the list of open files you can use lsof command. Get all the list of files from find command in a directory and remove them all.
1). Get the list of open files in a directory.
lsof /folderToSearch |awk '{print $NF}'|sed -e '1 d' |sort |uniq >/tmp/lsof
2). Get the list of files in a directory.
find /folderToSearch -type f -print >/tmp/find
3). Remove the /tmp/lsof list from /tmp/find file and then remove them.
grep -v -w -f /tmp/lsof /tmp/find |xargs rm -f