Detailed explanation of Linux tee command-Linux Operation and Maintenance-php.cn

Detailed explanation of Linux tee command

藏色散人

Release： 2023-03-13 09:16:53

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The function of the Linux tee command is to read from the standard input and then write to the standard output and files. Its usage syntax is "tee [OPTION]... [FILE]...", where the parameter "- a --append" means appending to the file, the parameter "-i --ignore-interrupts" means ignoring interrupt signals, and the parameter "-p" means diagnosing errors in writing to non-pipelines, etc.

Detailed explanation of Linux tee command

#The operating environment of this tutorial: linux5.9.8 system, Dell G3 computer.

linux command: tee detailed explanation

The function of tee is to read from standard input and then write to standard output and files.

Usage: tee [OPTION]... [FILE]...

-a, --append Append to the file

-i, -- ignore-interrupts Ignore interrupt signals

-p
--help . Diagnosis when writing encounters errors

warn-nopipe Diagnosis when writing to non-pipeline encounters an error
exit Exit when writing to non-pipeline encounters an error
exit-nopipe Exit when writing to non-pipeline encounters an error
If --output-error is not specified, tee will exit immediately when an error occurs when writing to a pipe, and diagnose when writing to a non-pipeline.

Usage example:

Default function and append function:
[root@server dir]# echo 'This is a sentence.' | tee output
This is a sentence.

[root@server dir]# cat output
This is a sentence.

[root@server dir]# echo 'This is another sentence.' | tee -a output
This is another sentence.

[root@server dir]# cat output
This is a sentence.
This is another sentence.

[root@server dir]# echo 'This is a unique sentence.' | tee output
This is a unique sentence.

[root@server dir]# cat output
This is a unique sentence.
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Write two files at the same time:
[root@server dir]# tee a b
they have the same content
they have the same content
^C
[root@server dir]# cat a
they have the same content
[root@server dir]# cat b
they have the same content
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