## Extract the first. The previous content
i = sftr.realgn.bam echo $ {i %%. *}
Output: sftr
## Extract the first, the previous content n = 123,234,68 echo $ {n %% , *}
Output: 123
## Extract the first. The previous content
i = sftr.realgn.bam echo $ {i %%. *}
Output: sftr
## Extract the first, the previous content n = 123,234,68 echo $ {n %% , *}
Output: 123