Newer: Curl New! Download If

curl -z local_file.txt -o local_file.txt https://example.com Use code with caution.

The -z flag allows you to specify a local file or a specific date. If the remote file has a newer timestamp than what you provide, curl will proceed with the download. curl download if newer

To download a file using curl only if the remote version is newer than your local copy, use the flag. This feature leverages HTTP conditional requests to save bandwidth and prevent redundant transfers by checking the Last-Modified header. The Core Command: -z curl -z local_file

curl looks at the modification time of local_file.txt and sends an If-Modified-Since header to the server. If the server's version is older, curl returns a 304 Not Modified status and downloads nothing. Download if newer than a specific date: curl -z "Jan 10, 2024" -O https://example.com Use code with caution. To download a file using curl only if

: To download a file only if it is older than a specific date, prefix the date with a dash (e.g., -z "-Jan 10, 2024" ).