On Thu, 2002-06-20 at 22:42, Shishir K. Singh wrote:
> Hi,
hi
>
> I need to format a string in a fixed width field. The string may be less than the
>length of the format, or may be greater. If less, then it should get padded with
>spaces (left or right justified , like using - in sprintf), if greater, then the
>string should get truncated to the exact length.
>
>
> eg $myVar = 'ABCDEFGHIJKLMNOP';
> $newVar = sprintf("%10s,$myVar);
> $newVar should have 'ABCDEFGHIJ'; # But has the full length i.e. 'ABCDEFGHIJKLMNOP'
>
> eg $myVar = 'ABCD'; (Right Aligned, padded with spaces)
> $newVar = sprintf("%10s,$myVar);
> $newVar should have ' ABCD'; # Works
>
> eg $myVar = 'ABCD'; (Left Aligned, padded with spaces)
> $newVar = sprintf("%-10s,$myVar);
> $newVar should have 'ABCD '; # Works
>
>
> I am not able to lay my finger on the correct format to achieve 1st and the 2nd with
>the same format. Am I missing something , or is there another way out? Any help would
>be greatly appreciated.
>
you can try using pack:
$myVar = 'ABCDEFGHIJKLMNOP';
$newVar = pack 'A10', $myVar;
$newVar eq 'ABCDEFGHIJ';
$myVar = 'ABCD';
$newVar = pack 'A10', $myVar;
$newVar eq 'ABCD ';
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