bash
curl --retry 5 --retry-delay 2 -O https://example.com/archive.tgzNotes
Useful for flaky networks and CI pipelines.
cURL Download and Upload Workflows
Comprehensive curl patterns for downloads, retries, upload flows, range requests, SMTP, SFTP, and batch transfers.
Export
Copy the compact sheet, download it, or print it.
Download
`D` dense toggle · `C` copy all
Downloads
Mirroring, retry logic, names, and batch workflows.
Retry on all errors
Retry on all errors, including transient HTTP failures when appropriate.
bashANYcurlretryautomation
bash
curl --retry 5 --retry-all-errors -O https://example.com/archive.tgzNotes
Stronger retry behavior for scripts and automation.
Save using Content-Disposition filename
Use server-provided filename from headers.
bashANYcurldownloadfilename
bash
curl -OJ https://example.com/downloadNotes
`-J` works with `-O` to honor `Content-Disposition` names.
Create local directories
Create local directories automatically for output paths.
bashANYcurldownloadfilesystem
bash
curl --create-dirs -o downloads/reports/out.pdf https://example.com/report.pdfNotes
Handy when writing into nested destination paths.
bash
curl --limit-rate 500K -O https://example.com/large.binNotes
Useful when testing or conserving bandwidth.
Fail slow transfers
Abort a transfer if speed drops below a threshold for too long.
bashANYcurlperformancetimeouts
bash
curl --speed-limit 1024 --speed-time 30 -O https://example.com/file.binNotes
Good for automation where stuck connections should fail.
Use a curl config file with URLs
Use a curl config file to store repeated options and URLs.
bashANYcurlconfigbatch
bash
curl --config urls.txtNotes
curl supports command-line option files via `-K` / `--config`.
URL globbing with lists
Download several related URLs using brace expansion.
bashANYcurlglobbingdownload
bash
curl -O 'https://example.com/{a,b,c}.txt'Notes
curl supports URL globbing with lists and ranges.
bash
curl -O 'https://example.com/logs/app[1-5].txt'Notes
Use bracket ranges for bulk downloads.
Uploads
FTP/SFTP/HTTP uploads and stdin-driven transfers.
bash
printf 'hello
' | curl -T - https://example.com/upload.txtNotes
`-T -` reads upload data from standard input.
bash
curl -u user:pass -T ./backup.sql sftp://example.com/home/user/backup.sqlNotes
curl supports SFTP as well as HTTP and HTTPS.
bash
curl -u user:pass -T ./site.zip ftp://example.com/incoming/site.zipNotes
Classic FTP upload pattern.
Append to a remote file
Append uploaded data when the protocol and server support it.
bashANYcurlappendupload
bash
curl --append -T ./log.txt ftp://example.com/log.txtNotes
Mostly used with FTP/SFTP style workflows.
bash
curl --url 'smtp://mail.example.com:587' --ssl-reqd --mail-from 'me@example.com' --mail-rcpt 'you@example.com' --upload-file email.txt -u 'me@example.com:password'Notes
curl supports SMTP and related mail protocols.
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cURL Debugging, Performance, and Scripting
Tracing, DNS overrides, proxies, protocol selection, config files, timeouts, and script-friendly curl patterns.
cURL HTTP and API Workflows
HTTP methods, auth, JSON APIs, headers, caching, compression, and response inspection with curl.
cURL Cheat Sheet
High-coverage curl commands for HTTP requests, APIs, downloads, uploads, cookies, redirects, and automation.