tldr/pages/common/tee.md

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# tee
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> Read from standard input and write to standard output and files (or commands).
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- Copy standard input to each FILE, and also to standard output:
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`echo "example" | tee {{FILE}}`
- Append to the given FILEs, do not overwrite:
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`echo "example" | tee -a {{FILE}}`
- Print standard input 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:
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`echo "example" | tee >(xargs mkdir) >(wc -c)`