Bug#214555: apache-common: error in modules-config preventing configuration

[Matthew Wilcox <willy@debian.org>]

On Tue, Oct 07, 2003 at 10:07:13PM +1000, Chris Dunlop wrote:
> The calculation of the $LAST and $DIFF variables is like:
> 
>   LAST=`wc -l $TMP | cut -d " " -f1
>   DIFF=`expr $LAST - $FIRST`
> 
> However the output of the cut command has leading spaces,
> which means $LAST ends up being blank and the expr in the
> $DIFF calculation fails.
> 
> There many, many, many ways of extracting the number of lines,
> this one works for me:
> 
>   LAST=`cat $TMP | wc -l`
>   DIFF=`expr $LAST - $FIRST`

Gratuitous use of cat ...

$ TMP=/etc/apache/httpd.conf 
$ LAST=`wc -l <$TMP`
$ echo $LAST
1020

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