Rosetta Code

Category:TXR: Difference between revisions

Category Discussion

Category:TXR (view source)

Revision as of 00:25, 11 January 2014

422 bytes removed ,  10 years ago
→‎Simple Query: Obsolete, dangling text removed.
(→‎Simple Query: Revised example: using built-in math that TXR now has.)
(→‎Simple Query: Obsolete, dangling text removed.)
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</pre>
 
Arithmetic is not implemented in TXR as of version 035. The above example simply continues the pattern matching across invocations of echo to borrow the shell to do math. The command
 
<pre>@(next `!echo $(( @TOTAL - @FREE ))`)
@USED
</pre>
 
means, "Next, please switch to scanning the output of this echo command with some variables substituted in. Then capture entire first line of this command into the USED variable."
 
== Complex Query ==
Kazinator
543

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