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tldr/pages/common/tee.md
Lena d427f333b2
pages/*: add backticks around I/O streams (#10436)
* as suggested in #10428
* standard input  => `stdin`
* standard output => `stdout`
* standard error  => `stderr`

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
2023-08-09 10:59:02 +05:30

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# tee
> Read from `stdin` and write to `stdout` and files (or commands).
> More information: <https://www.gnu.org/software/coreutils/tee>.
- Copy `stdin` to each file, and also to `stdout`:
`echo "example" | tee {{path/to/file}}`
- Append to the given files, do not overwrite:
`echo "example" | tee -a {{path/to/file}}`
- Print `stdin` to the terminal, and also pipe it into another program for further processing:
`echo "example" | tee {{/dev/tty}} | {{xargs printf "[%s]"}}`
- Create a directory called "example", count the number of characters in "example" and write "example" to the terminal:
`echo "example" | tee >(xargs mkdir) >(wc -c)`