Bash script delete duplicate files

Our file sizes could get to 10 to 12 giga bytes size. Aprpeciate any pointers. Thanks, Radhika. Join Date: Feb Just a thought. Why not use the divide and conquer approach? Last edited by vino; at AM.. Join Date: Jun Pretty crap. I presume you're thrashing swap? Try out this one P; D' The first line of duplicate ones is only kept and rest are deleted.

I have tested this with around 1GB file. Much Much Faster than sort command. Hope this will work faster than sort command. I haven't tried on large files. Hi Vino, This command will keep the first entry as it is and delete the other entries, irrespective of whether the file is sorted or not. No prior assumptions while executing this command.

P; D' Could you explain the command - bit by bit if you don't mind. Remove duplicates. Hi I have a below file structure. I have a file with the following format: fields seperated by " " title1 something class long I need to use a bash script to remove duplicate files from a download list, but I cannot use uniq because the urls are different.

Here, the filename will be taken from the user as input. The following script will take the filename by a command-line argument. In the following script, multiple filenames will be taken from the command line arguments. The above examples show the different types of ways to delete the file using a bash script to help bash users to do this type of task easily.

We can also print text to the terminal by redirecting to stderr. By redirecting to a stderr device file, text that appears through stdin will be printed in the terminal as standard error. In this tutorial, we learn how to run a shell script for locating and removing duplicate or redundant files in our Linux system. As a system admin, you can expand on this by creating a cron job for it and let the script run routinely on your machine.

Lastly, better safe than sorry, so as always make a backup before running and testing your scripts. If you like to learn more about Linux, take the following live Linux classes is highly recommended:.

If you like to learn more about Linux, reading the following articles and tutorials is highly recommended:. He has written more than technical articles and tutorials on blockchain development for Hyperledger, Ethereum and Corda R3 platforms.

At DC Web Makers, he leads a team of blockchain experts for consulting and deploying enterprise decentralized applications. As chief architect, he has designed and developed blockchain courses and training programs for Coding Bootcamps. He has a master's degree in business management from the University of Maryland.

Prior to blockchain development and consulting, he worked as senior web and mobile App developer and consultant, angel investor, business advisor for a few startup companies. Give us a call or email us to discuss your needs. Delivery Services: www. Toggle navigation Coding Bootcamps. Find and delete duplicate files in Linux Shell script for managing duplicate files Duplicate files are copies of the same files that may become redundant, so we may need to remove duplicate files and keep a single copy of them.

Automated method Here are steps for locating and removing duplicate files automatically. The code for the script to remove the duplicate files is as follows:! Note: You may need to make minor adjustment depending on your Linux OS 3.