Using cURL for API automation in Karate

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Think of the Karate syntax as very close to JavaScript. So, string concatenation works. For example:

* def myUrl="https://httpbin.org/anything"
* def result = karate.exec('curl ' + myUrl)

And a nice thing is that JavaScript Template Literals work:

* def myUrl="https://httpbin.org/anything"
* def result = karate.exec(`curl ${myUrl}`)

Also note that the karate.exec() API takes an array of command-line arguments. This can make some things easier like not having to put quotes around arguments with white-space included etc.

* def myUrl="https://httpbin.org/anything"
* def result = karate.exec({ args: [ 'curl', myUrl ] })

You can build the arguments array as a second step for convenience:

* def myUrl="https://httpbin.org/anything"
* def args = ['curl']
* args.push(myUrl)
* def result = karate.exec({ args: args })

Note that conditional logic and even an if statement is possible in Karate: https://stackoverflow.com/a/50350442/143475

Also see: https://stackoverflow.com/a/62911366/143475

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