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- // Copyright (C) 1997-2002 Alias|Wavefront,
- // a division of Silicon Graphics Limited.
- //
- // The information in this file is provided for the exclusive use of the
- // licensees of Alias|Wavefront. Such users have the right to use, modify,
- // and incorporate this code into other products for purposes authorized
- // by the Alias|Wavefront license agreement, without fee.
- //
- // ALIAS|WAVEFRONT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- // INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- // EVENT SHALL ALIAS|WAVEFRONT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- // CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- // DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- // TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- // PERFORMANCE OF THIS SOFTWARE.
- //
- //
- // Alias|Wavefront Script File
- // MODIFY THIS AT YOUR OWN RISK
- //
- // Creation Date: 20 February 2001
- //
- //
- //<doc>
- //<name strip>
- //<owner "Alias|Wavefront Unsupported">
- //
- //<synopsis>
- // strip( string $str )
- //
- //<returns>
- // string : Stripped string
- //
- //<description>
- // Removes the white space from the start and end of a string
- //
- //<flags>
- // string $str String to remove whitespace from.
- //
- //<examples>
- // strip " hi ";
- //
- //</doc>
-
- global proc string strip( string $str )
- {
- string $result = $str;
- string $startWS = `match "^[ \t\n\r]*" $result`;
- if ( size( $startWS ) > 0 ) {
- $result = substring( $result, size( $startWS ) + 1, size( $result ) );
- }
- string $endWS = `match "[ \t\n\r]*$" $result`;
- if ( size( $endWS ) > 0 ) {
- $result = substring( $result, 1, size( $result ) - size( $endWS ) );
- }
- return $result;
- }
-