Share 'readmore hack for text posts'

hey guys i hav just started using tumblr n i love it but i thnk it does hav a problem with text posts as can be quite big sometimes making ur blog hard to look for someone whos not intrested in the text post . i found a way around by using {block:PermalinkPage} {/block:PermalinkPage} {block:IndexPage} {/block:IndexPage} which just leaves a link which solves one problem but does give a new problem…