Difference between revisions of "Bash operators"
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imported>ThorstenStaerk (New page: = $() = The operator $() in the bash shell is replaced by the output of the command enclosed in the parentheses. Examples: rpm -ql $(rpm -qa) for i in $(seq 1 1 100); do echo $i; done) |
imported>ThorstenStaerk |
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= $() = | = $() = | ||
− | The operator $() in the bash shell is replaced by the output of the command enclosed in the parentheses. | + | The operator $() in the bash shell is replaced by the output of the command enclosed in the parentheses. It is equivalent to backticks (``), but can be cascaded more easily. |
Examples: | Examples: |
Revision as of 13:56, 30 March 2009
$()
The operator $() in the bash shell is replaced by the output of the command enclosed in the parentheses. It is equivalent to backticks (``), but can be cascaded more easily.
Examples:
rpm -ql $(rpm -qa)
for i in $(seq 1 1 100); do echo $i; done