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Command substitution (view source)
Revision as of 10:50, 22 September 2009
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Command substitution is nothing but run a shell command and store it's output to a variable or display back using [[echo command]]. For example, display date and time:
Command substitution is nothing but run a shell command and store it's output to a variable or display back using [[echo command]]. For example, display date and time:
<source lang="bash">echo "Today is $(date)"</source>
<source lang="bash">echo "Today is $(date)"</source>
done</source>
done</source>
[[Category:Control flow loop]][[Category:Commands]]
[[Category:Control flow loop]][[Category:Commands]]
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