fn() assignCroppedSeqId

Extracts the sequence id up to the first whitespace of a sequence file fragment.

/*!
 * @fn assignCroppedSeqId
 * 
 * @headerfile <seqan/file>
 * 
 * @brief Extracts the sequence id up to the first whitespace of a sequence file
 *        fragment.
 * 
 * @signature void assignCroppedSeqId(id, seqFragment, formatTag);
 * 
 * @param[out] id The resulting cropped sequence id of the fragment (e.g. Fasta
 *                ID). The resulting id contains no whitespaces. Type: @link
 *                CharString @endlink.
 * @param[in] seqFragment A sequence file fragment. Type: @link SequenceConcept
 *                        @endlink.
 * @param[in] formatTag A file format tag. Type: @link FileFormatTag @endlink.
 * 
 * After calling @link split @endlink on a @link ConcatDirectStringSet @endlink
 * to divide a file into fragments, this function can be used to extract the
 * sequence id up to the first whitespace of every fragment in the @link
 * StringSet @endlink.
 */