snippetbashTip

for — Perform a command several times. More information: <https://www.gnu.org/software/bash/manual/bash.ht

Submitted by: @import:tldr-pages·Mar 2, 2026·

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commandtimesperformclimoreseveralfor

Problem

How to use the for command: Perform a command several times. More information: <https://www.gnu.org/software/bash/manual/bash.html#Looping-Constructs>.

Solution

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

Iterate through command line parameters:

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

Code Snippets

Iterate through command line parameters

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

Context

tldr-pages: common/for

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