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tldr/pages/common/readarray.md
Managor 4ba2be2fcd
readarray: add page (#15248)
Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>
Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
2024-12-28 23:31:56 +01:00

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# readarray
> Read lines from `stdin` into an array.
> More information: <https://www.gnu.org/software/bash/manual/bash.html#index-readarray>.
- Interactively input lines into an array:
`readarray {{array_name}}`
- Read lines from a file and insert them in an array:
`readarray {{array_name}} < {{path/to/file.txt}}`
- Remove trailing deliminators (newline by default):
`readarray -t {{array_name}} < {{path/to/file.txt}}`
- Copy at most the specified number of lines:
`readarray -n {{N}} {{array_name}} < {{path/to/file.txt}}`