![]() ![]() Only when you use the -expand- prefix in front of an option will the argument get variables expanded. To accomplish this, we introduce the -expand- option prefix. Variables must be explicitly asked for, to make sure they do not cause problems for older command lines or for users when they are not desired. Optionally, you can set a default value for the case where the variable does not exist: curl -variable %HOME=/home/nouser Expand variablesĪll variables that are set or “imported” as described above can be used in subsequent command line option arguments – or in config files. In this case above, curl will exit if there is no environment variable by that name. Let’s say you have a database named products, and you want to back it up to an external drive mounted at /mnt/backups/. You can also opt to “import” an environment variable into this context. The variables mentioned above are only present in the curl command line. Optionally, you can tell curl to populate it with the contents of a file: curl -variable straight from stdin: curl -variable Environment variables You can assign a variable a plain fixed string as shown above. Variables are set in a left to right order as curl parses the command line or config file. A variable can hold up to 10M of content. ![]() To see how much memory your machine 101 has: qm config 101 grep memory. If you set the same name twice, the second set will overwrite the first. Or in the config file: variable=name=contentĪ variable name must only consist of a-z, A-Z, 0-9 or underscore (up to 128 characters). I'm now writing a playbook that will acquire the newest backup file from wherever I'm storing them, and shove it into a pristine installation of Pihole. It allows lots of other fun things.įirst off, you can set named variables on the command line. Generating the backup via the pihole command line works fine. This new variable system that we introduce in curl 8.3.0 (commit 2e160c9c65) makes it possible to use environment variable in config files. This article will guide you on how to download or back up a system configuration file through the Command Line Interface (CLI) of the switch using any of the following methods: Via TFTP The Trivial File Transfer Protocol (TFTP) method is chosen to download or back up configuration file via TFTP. One day not too long ago, a user over in the curl IRC channel asked me if it was possible to use environment variables in such config files to avoid having to actually store secrets directly in the file. authentication Authentication for Home Assistant users. By default curl will check for and use such a config file named. The Home Assistant CLI is a small and simple command line utility that allows you to control and configure different aspects of Home Assistant Usage: ha command Available Commands: addons Install, update, remove and configure Home Assistant add-ons audio Audio device handling. They are a set of command line options written in a text file that you can point the curl tool to use. To make life easier for curl users, the tool supports “ config files“. ![]()
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