master-server/deps/curl/docs/cmdline-opts/trace.md

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---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
SPDX-License-Identifier: curl
Long: trace
Arg: <file>
Help: Write a debug trace to FILE
Mutexed: verbose trace-ascii
Category: verbose
Added: 7.9.7
Multi: single
Scope: global
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See-also:
- trace-ascii
- trace-config
- trace-ids
- trace-time
Example:
- --trace log.txt $URL
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---
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# `--trace`
Save a full trace dump of all incoming and outgoing data, including
descriptive information, in the given output file. Use "-" as filename to have
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the output sent to stdout. Use "%" as filename to have the output sent to
stderr.
Note that verbose output of curl activities and network traffic might contain
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sensitive data, including usernames, credentials or secret data content. Be
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aware and be careful when sharing trace logs with others.