Unix file check

Corrupted superblock — fsck fails to run If the superblock is corrupted the file system still can be repaired using alternate superblock which are formed while making new file system. Link counter adjustment fsck finds mismatch between directory inode link counts and actual directory links and prompts for adjustment in case of interactive operation. Free Block count salvage During fsck the number of free blocks listed in a superblock and actual unallocated free blocks count does not match.

Unreferenced file reconnection While checking connectivity fsck finds some inodes which are allocated but not referenced — not attached to any directory. Great job! Pingback: Topspin and VirtualBox — duncansnmr. Comments Cancel reply. No, don't parse the output of ls - that's not at all safe or reliable. Use stat to extract properties of files.

I think this is perfectly acceptable for what its worth. Thanks piniyini — Chet. Me too. I'd add -h to improve human readability — jasonleonhard. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Making Agile work for data science. Stack Gives Back Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually.

Linked To check whether the file is empty or not in shell script sh. Hi All, I need to check a file whether it exists and also whether it is empty or not. I have a code for this but it is not working as per my requirement. Can anyone pls suggest me on this.

How to check if the file is empty or has blank space.? Hi, I am using KSH. I am trying to check if the output file is empty or not. I tried with ] but what i see is my file is empty but still manages to have a size of 1 instead of 0.

But my file doesnot have anything its empty. I am not sure how to check this. Empty file check. Hi gurus , I have two files and i want to perform different action based on the condition if both or either is empty If then Do something elif then do something elif then do something else do something fi I have tried the below bt its not Check if file is empty with variables, bash.

Hello again! I have some trouble with scripting in bash. Some of the files are empty. For those I would like to print a "0" in list. I think the problem with the code is that Condition to check whether configuration file is empty or not? Check if a text file is empty or not using ls -s. Hello, I want to make a script which says if a text file is empty or not. I tried two ways of making it, but I have problems with both of them.

Now I think that the better way is the ls -s solution considering that an empty text file has a 0 weight, because "cat file. Need to check for empty file in C shell script.

I am running a C shell script. I have an output file from a previous step and I need to run "something" in the next step to check if the file is empty.

If the file is empty, then the job script should finish EOJ.