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- c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
- SPDX-License-Identifier: curl
- Long: time-cond
- Short: z
- Arg: <time>
- Help: Transfer based on a time condition
- Protocols: HTTP FTP
- Category: http ftp
- Example: -z "Wed 01 Sep 2021 12:18:00" $URL
- Example: -z "-Wed 01 Sep 2021 12:18:00" $URL
- Example: -z file $URL
- Added: 5.8
- See-also: etag-compare remote-time
- Multi: single
- ---
- Request a file that has been modified later than the given time and date, or
- one that has been modified before that time. The <date expression> can be all
- sorts of date strings or if it does not match any internal ones, it is taken as
- a filename and tries to get the modification date (mtime) from <file>
- instead. See the *curl_getdate(3)* man pages for date expression details.
- Start the date expression with a dash (-) to make it request for a document
- that is older than the given date/time, default is a document that is newer
- than the specified date/time.
- If provided a non-existing file, curl outputs a warning about that fact and
- proceeds to do the transfer without a time condition.
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