Curl
Here’s a bash script that combines several curl examples:
#!/bin/bash
# Basic GET request
echo "Basic GET request:"
curl http://example.com
# GET with custom headers
echo "\nGET request with custom headers:"
curl -H "User-Agent: MyUserAgent/1.0" http://example.com
# POST request
echo "\nPOST request:"
curl -X POST -d "key1=value1&key2=value2" http://example.com/post
# POST with JSON data
echo "\nPOST with JSON data:"
curl -X POST -H "Content-Type: application/json" -d "{\"key1\":\"value1\",\"key2\":\"value2\"}" http://example.com/post
# Using a proxy
echo "\nUsing a proxy:"
curl -x http://proxy.example.com:8080 http://example.com
# Authentication
echo "\nBasic Authentication:"
curl -u username:password http://example.com/auth
# Download a file
echo "\nDownload a file:"
curl -O http://example.com/file.zip
# Follow redirects
echo "\nFollow redirects:"
curl -L http://example.com/redirect
# Save output to a file
echo "\nSave output to a file:"
curl http://example.com -o output.txt
# Custom HTTP method
echo "\nCustom HTTP method (DELETE):"
curl -X DELETE http://example.com/delete/resource
# Verbose output
echo "\nVerbose output:"
curl -v http://example.com
# Connection timeout
echo "\nConnection timeout:"
curl --connect-timeout 5 http://example.com
echo "\nScript execution completed."
Save this script with a .sh extension, like curl_examples.sh. Make sure to make it executable if you’re in a Unix-like environment or running it in Windows Subsystem for Linux (WSL):
chmod +x curl_examples.sh
Then, you can run it:
./curl_examples.sh
Notes for Windows:
- If you’re running this in Windows Cmd or PowerShell, you’ll need to use
bashorwslif you have WSL installed, or ensurecurlis in your PATH for direct execution:bash curl_examples.shorwsl ./curl_examples.sh
- Remember, this script uses bash syntax, so it’s not natively compatible with Windows Command Prompt or PowerShell unless run through WSL or a bash environment. However, the
curlcommands themselves are compatible with the Windows version ofcurl.