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tldr/pages/common/for.md
Managor 7b752dc4d3
*: fix curly brace syntax, nested placeholders and mismatched brackets (#17210) 
* Update rpicam-still.md

* Update jello.md

* Update dropdb.md

* Update aws-eks.md

* Update sfdisk.md

* Update hyperfine.md

* Update quarto.md

* Update for.md

* Update coproc.md

* Update vagrant-validate.md

* Update kubetail.md

* Update kubetail.md

* Update pstoedit.md

* Update highlight.md

* Update linode-cli-linodes.md

* Update swig.md

* Update phpcbf.md

* Update unzipsfx.md

* Update d8.md

* Update trdsql.md

* Update keyd.md

* Update mamba-repoquery.md

* Update pages/common/jello.md

* Update coproc.md

* Apply suggestions from code review

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

* Update pages/common/for.md

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

* Update for.md

---------

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>
2025-07-15 11:17:54 -07:00

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for

Perform a command several times. More information: https://www.gnu.org/software/bash/manual/bash.html#Looping-Constructs.

  • Iterate through command line arguments:

for {{variable}}; do {{echo $variable}}; done

  • Execute the given commands for each of the specified items:

for {{variable}} in {{item1 item2 ...}}; do {{echo "Loop is executed"}}; done

  • Iterate over a given range of numbers:

for {{variable}} in {{{from..to..step}}}; do {{echo "Loop is executed"}}; done

  • Iterate over a given list of files:

for {{variable}} in {{path/to/file1 path/to/file2 ...}}; do {{echo "Loop is executed"}}; done

  • Iterate over a given list of directories:

for {{variable}} in {{path/to/directory1/ path/to/directory2/ ...}}; do {{echo "Loop is executed"}}; done

  • Perform a given command in every directory:

for {{variable}} in */; do (cd "${{variable}}" || continue; {{echo "Loop is executed"}}) done