On 2006-05-12 11:27, Chuck Swiger <[EMAIL PROTECTED]> wrote:
>Giorgos Keramidas wrote:
>> This fails to remove multiple occurences of the [[:space:]] class.
>>
>> There are at least the following ways:
>>
>>      sed -i -e 's/^[[:space:]]*' -e 's/[[:space:]]*$//' file ...
>>      perl -pi -e 's/^\s*(\S.*\S)[ \t]*$/$1/' file ...
>>
>> The first one seems more straightforward to me most of the time,
>> but there are times I find Perl's `-pi -e ...' idiom very convenient.
>
> It is, and I wish to acknowledge the above are entirely valid solutions
> to the problem, but...
>
>   python -c 'import sys; print sys.stdin.read().strip()' < file...
>
> ...has the advantage of being human readable.  My old 300-baud accoustic
> modem used to generate output which in hindsight looks astonishingly
> close to regex character classes.  :-)

HEH!  I see the joke about Perl being similar to "line noise" is not
something local to our Greek IRC channels :)

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