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Minor documentation tweaks and additions

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axel
2006-07-20 23:33:19 +10:00
parent 4664d65af7
commit 4ba9ac28bb
3 changed files with 23 additions and 8 deletions
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25
doc_src/begin.txt
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@@ -7,11 +7,12 @@
\subsection begin-description Description
The \c begin builtin is used to create a new block of code. The block
is unconditionally executed. Begin is equivalent to <tt>if
true</tt>. The begin command is used to group any number of commands
into a block. The reason for this is usually either to introduce a new
variable scope or to redirect the input to output of this set of
commands as a group.
is unconditionally executed. <code>begin; ...; end</tt> is equivalent
to <tt>if true; ...; end</tt>. The begin command is used to group any
number of commands into a block. The reason for doing so is usually
either to introduce a new variable scope, to redirect the input or
output of a set of commands as a group, or to specify precedence when
using the conditional commands like \c and.
The \c begin command does not change the current exit status.
@@ -30,3 +31,17 @@ end
# the block and was killed
echo $PIRATE
</pre>
In the following code, all output is redirected to the file out.html.
<pre>
begin
echo $xml_header
echo $html_header
if test -e $file
...
end
...
end &gt; out.html
</pre>