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Questions tagged [cobra]

Three possible technologies: The Cobra toolkit is a pure Java HTML parser and rendering engine with support for CSS 2 and JavaScript. The Cobra Programming Language has Python-like syntax that targets the .NET runtime and supports built-in unit tests, contracts and both dynamic/static programming support. Cobra is a Go library for creating powerful modern CLI applications as well as a program to generate applications and command files.

The Cobra toolkit is a pure Java HTML parser and rendering engine with support for CSS2 and JavaScript.

Cobra can be used as a JavaScript-aware and CSS-aware HTML parser, independently of the Cobra rendering engine. JavaScript DOM modifications that occur during parsing (e.g. via document.write) will be reflected in the parsed DOM, unless JavaScript is disabled.

See also the official homepage.

The Cobra Programming Language has the following features:

  • Clean, high-level syntax
  • Static and dynamic binding
  • First class support for unit tests and contracts
  • Compiled performance with scripting conveniences
  • Lambdas and closures
  • Extensions and mixins

See the homepage.

The Cobra library for Go provides:

  • Easy subcommand-based CLIs: app server, app fetch, etc.
  • Fully POSIX-compliant flags (including short & long versions)
  • Nested subcommands
  • Global, local and cascading flags
  • Easy generation of applications & commands with cobra init appname & cobra add cmdname
  • Intelligent suggestions (app server)
  • Automatic help generation for commands and flags
  • Automatic help flag recognition of -h, --help, etc.
  • Automatically generated bash autocomplete for your application
  • Automatically generated man pages for your application
  • Command aliases so you can change things without breaking them
  • The flexibility to define your own help, usage, etc.
  • Optional tight integration with viper for 12-factor apps

See also the official homepage.

56 questions
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Cobra Subcommand Invoke Help By Default

I want sub command to print out the Help menu if no argument or flags is passed (The main command does this by default). For example, the main command without any arguments or flags: chris@pop-os:~$ ./tk Command line application to deploy Usage: …
Christopher
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golang cobra subcommands without arguments matching

i want to create golang CLI with cobra. For now, it runs well. I have created something like foobar create --username johndoe. But I need subcommands like foobar create user --username johndoe. There is user subcommand. I have created with…
fzlrhmn
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Why is Cobra not reading my configuration file?

The documentation in Cobra and Viper are confusing me. I did cobra init fooproject and then inside the project dir I did cobra add bar. I have a PersistentFlag that is named foo and here is the init function from the root command. func Execute() { …
Joff
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Cannot insert dash in cobra parameters

I looked for some similar problems but I couldn't find anything except this: https://github.com/spf13/cobra/issues/1025 My problem is about inserting some string which contains a dash at the beginning like the following example, go run myapp…
Fulvio
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Cobra: Providing context to subcommands without using package globals?

I've written a simple CLI tool using cobra and viper. I've recently been refactoring it to avoid package global variables, largely because it turned out to be difficult to test using the layout suggested by e.g. cobra init. Instead of... var rootCmd…
larsks
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Cobra: how to set flags programmatically in tests

I'm using cobra to build a CLI and want to simulate a command being run with different sets of options/flags. I've been trying to figure out how I can use the cobra APIs to set flags within my test but haven't really gotten it yet. I have this: //…
sixty4bit
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Java HTML rendering using Cobra

I am currently using Cobra: Java HTML Renderer & Parser to render an HTML page that is dynamically generated based on user choices in a java app. In my app the user has a choice of hundreds of items to select. The items are displayed in the form of…
Tractatus
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Julia - how to update WinRPM in julia version 0.6.4

I'm new to Julia and I want to use COBRA Package. For adding COBRA I use command : Pkg.add("COBRA") But when running, I get these errors: INFO: Building WinRPM WARNING: skipping repodata/repomd.xml, not in cache -- call WinRPM.update() to…
Farzan
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Can you specify optional arguments to a flag in Cobra?

Let's say I have this flag in my program that only prints a positive number: c.PersistentFlags().IntVar(&SomeFlag, optionSomeFlag, 0, "do something (range: x-y)") The default is 0 so if the user doesn't toggle the flag, nothing is printed. How can I…
avlclimber
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How can I provide JSON array as argument to cobra cli

I'm building a CLI using Go and Cobra library. I've the following JSON that needs to be deserialized in the corresponding struct. Argument as JSON array: "[ (stringA, stringB), stringC ]" Struct type MyStruct struct { StringArray…
tortuga
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Determine if flags were actually passed in (sub)command invocation in golang's cobra/viper

I have a cobra command var mycommandCmd = &cobra.Command{ Use: "mycommand", PersistentPreRunE: func(cmd *cobra.Command, args []string) error { viper.BindPFlags(cmd.Flags()) and a subcommand var mysubcommandCmd = &cobra.Command{ …
pkaramol
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Unable to unmarshal using viper

I've been trying to extract some JSON by unmarshalling my json file but, I have no idea why it is not happening. I am able to fetch the data using viper.AllSettings() but not by unmarshal. I think i am making a silly mistake, please share your…
Parth Wadhwa
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How to merge flags, defined in other package, into cobra.flags?

Some definition in sig.k8s.io/controller-runtime/pkg/client/config/config.go: var ( kubeconfig, apiServerURL string ) func init() { flag.StringVar(&kubeconfig, "kubeconfig", "", "Paths to a kubeconfig. Only required if…
szz
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How to fix "Model does not contain SBML fbc package information."

I'm trying to simulate some models using SBML package. Model seems to run fine, but I keep getting these warning. "Model does not contain SBML fbc package information. SBML package 'layout' not supported by cobrapy,information is not parsed SBML…
Tharmy
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Why does this gpg in golang command return a No Such File Or Directory error on windows when attempting to encrypt a temporary file?

This function works fine on linux but for some reason on windows it always returns a file not found error pointing to the location of the temporary file. If i get the temporary file by its name and read it before encryption, the read is successful…
pvwn
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