new-post: introducing the prune command in REANA client

content/posts/2023/reana-client-prune-command.md

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+---
+title: "Free up disk space in REANA workspaces with the new prune command"
+date: 2023-04-24T07:00:00+01:00
+---
+
+The new prune command in the reana-client software allows users to easily
+free up disk space in their REANA workspaces by deleting temporary files
+that are neither inputs nor outputs. This can help manage cluttered
+workspaces and prevent running out of disk space. 
+
+<!--more-->
+
+
+## Enable Kerberos for a single workflow step
+
+The management of disk space in REANA can be a challenge, especially when the workspace is
+cluttered by numerous temporary files that are no longer needed.
+If you have been looking for a way to easily free up disk space in your workspaces,
+look no further than the new `prune` command in `reana-client`!
+
+With the `prune` command, you can easily delete all the files from your workspace that are
+neither input nor output files. This can free up a significant amount of disk space and make
+your workspace much more manageable. Plus, if you need to free up even more space, you can use the
+`--include-inputs` and `--include-outputs` flags to delete those kinds of files too.
+
+So how do you use the `prune` command? It's easy! Just run `reana-client prune -w <workflow_name>` to
+delete all the files from the workspace of the specified workflow that are neither input nor output files.
+If you want to include input or output files in the deletion process,
+use the `--include-inputs` or `--include-outputs` flags, respectively.
+
+However, it's important to note that running the prune command will permanently delete the files
+from your workspace. This means that you should make sure you have backed up any files you want to keep
+before running the command. Additionally, be careful when using the `--include-inputs` or
+`--include-outputs` flags, as deleting input or output files could impact the results of your workflow.
+
+The prune command is available in REANA starting from version 0.9.1.
+
+We hope you find this new feature useful for managing your REANA workspaces and freeing up
+valuable disk space. As always, if you have any feedback or suggestions for how we can improve
+REANA, please let us know!
+
+## See also
+
+- [REANA Client](https://reana-client.readthedocs.io/en/latest/) documentation page