2005-09-20 21:31:55 +08:00
|
|
|
\section for for - perform a set of commands multiple times.
|
|
|
|
|
|
|
|
|
|
\subsection for-synopsis Synopsis
|
2006-09-19 22:52:03 +08:00
|
|
|
<tt>for VARNAME in [VALUES...]; COMMANDS...; end</tt>
|
2005-09-20 21:31:55 +08:00
|
|
|
|
|
|
|
|
\subsection for-description Description
|
2006-09-19 22:52:03 +08:00
|
|
|
<tt>for</tt> is a loop construct. It will perform the commands specified by
|
|
|
|
|
COMMANDS multiple times. Each time the environment variable specified by
|
|
|
|
|
VARNAME is assigned a new value from VALUES. If VALUES is empty, COMMANDS will
|
|
|
|
|
not be executed at all.
|
2005-09-20 21:31:55 +08:00
|
|
|
|
|
|
|
|
\subsection for-example Example
|
|
|
|
|
|
2010-09-18 10:18:26 +08:00
|
|
|
The command
|
2005-09-20 21:31:55 +08:00
|
|
|
|
|
|
|
|
<tt>for i in foo bar baz; echo $i; end</tt>
|
|
|
|
|
|
|
|
|
|
would output:
|
|
|
|
|
|
2006-09-19 22:52:03 +08:00
|
|
|
<pre>
|
|
|
|
|
foo
|
2005-09-20 21:31:55 +08:00
|
|
|
bar
|
2006-09-19 22:52:03 +08:00
|
|
|
baz
|
2010-09-18 10:18:26 +08:00
|
|
|
</pre>
|
2005-09-20 21:31:55 +08:00
|
|
|
|
