How to run curl command with parameter in a loop?

How to run curl command with parameter in a loop?

– Stack Overflow Closed 5 years ago. I have a curl command I would like to execute in a for loop. For example I wanted to loop 1-100 times and when curl command runs it uses iterator variable value in the curl command itself. something like

What’s the best way to exit a curl script?

In scripts it’s better to have curl exit with unsuccessful status if there was a problem retrieving the HTTP resource. For that, you need to provide the -f, –fail option to curl, described in the curl man page as: Fail silently (no output at all) on server errors.

How to control the while loop in Bash?

Instead of controlling the while loop with a condition, we are using input redirection ( < “$file”) to pass a file to the read command, which controls the loop. The while loop will run until the last line is read. When reading file line by line, always use read with the -r option to prevent backslash from acting as an escape character.

What’s the exit code for a failed curl request?

Curl exit code for failed HTTP requests Usually if a requested HTTP resource isn’t available, a web server responds with a HTML document corresponding to the relevant HTTP status code, e.g. 404.

How to make curl url call in for loop?

Update the question so it’s on-topic for Unix & Linux Stack Exchange. Closed 7 years ago. I am working with bash and I am trying to make a curl url call in a for loop. I tried running above code as it is in the command line but it doesn’t work and it gives me like this – Any thoughts what wrong I am doing? You’re missing a semicolon after the URL.

How to check curl path in shell script?

Check path of curl in your shell by running type curl and the check same inside the script. when running $type curl getting the following output curl is hashed (/usr/bin/curl). But from script output is curl is /usr/bin/curl.

Is there a semicolon after the curl url?

You’re missing a semicolon after the URL. Not the answer you’re looking for? Browse other questions tagged shell curl or ask your own question.

How to increment an offset in a curl script?

You can use a simple for loop to change your URL, the above example will take all numbers from 0 to 150 and 160. I assume you want offset go from 150 to 155, and also shorten the command so I could explain it better. You can increment offset with a for loop and using variable i as offset:

Why does curl not move to the next iteration?

Your code (as is) will not move to the next iteration until the curl call is completed. You could set a higher timeout for curl to ensure that there are no communication delays.

How to increase curl timeout one by one?

CURLOPT_CONNECTTIMEOUT, CURLOPT_CONNECTTIMEOUT_MS (milliseconds), CURLOPT_DNS_CACHE_TIMEOUT, CURLOPT_TIMEOUT and CURLOPT_TIMEOUT_MS (milliseconds) can be used to increase the timeouts. 0 makes curl wait indefinitely for any of these timeouts.

How to set variable in the curl command in Bash?

How to set variable in the curl command in bash? in last string ( curl command) I want to set variable name instead “developer”. How to correctly insert it? However, variables do not get expanded inside strings enclosed in ‘single quotes’.

What happens when I run curl in shell?

When I execute the curl command in shell it gives me the following error: {“message”:”Sorry. An unexpected error occured.”, “stacktrace”:”Bad Request. The request could not be understood by the server due to malformed syntax.”} If I pass the number ‘1160’ directly in the command, as shown below, the curl command works.

How to do a while loop in forloop?

This is pretty much the fundamental workings of a forloop: – Get a collection of items/values (Q Zebra 999 Smithsonian) – Pass them into a forloop construct – Using the loop variable (x) as a placeholder, write commands between the do/doneblock.

Which is curl command to repeat URL request?

Check out the URL section on the man page: https://curl.haxx.se/docs/manpage.html Or if you want to get timing information back, use ab: You might be interested in Apache Bench tool which is basically used to do simple load testing.

What do you need to know about curl in Bash?

We may want to generate urls to curl as we progress through the loop. To accomplish this task, we need to introduce variables into the URL as follows. It turns out that loops may be avoided in some cases by taking advantage of a curl feature only available in command line called URL globbing.

How to do a GET request with Curl?

GET Request with cURL The application has a GET endpoint /sample. This endpoint accepts a query parameter called name. Let’s call this API endpoint using curl.