bat script to trim characters after a particular length from 1st word of every line : I have text file like below

Input sample text file
-------------------------------
<Line1> 69273ww01/080-100 1021/00 11123

<Line2> 80381ew20/937-134 1372/92 12737298323

<Line3> 02ws88749/263-379 2836/39 121

<Line4> 4793de592/343-283 7384/49 233792740562263

Required output text file
-------------------------------
<Line1> 69273ww01/080-100 1021/00 111

<Line2> 80381ew20/937-134 1372/92 127

<Line3> 02ws88749/263-379 2836/39 121

<Line4> 4793de592/343-283 7384/49 233

I want to trim characters after a particular length (30) from 1st word of every line 


Could any one help me who write a batch script. for the above requirement.  