[Info-vax] Removing blank lines from text files

[Jon Pinkley]

On Friday, June 21, 2019 at 8:06:24 PM UTC-4, Arne Vajhøj wrote:
> On 6/21/2019 5:10 PM, Jim wrote:
> > $ search/out=t.t t.dat ""
> 
> That finds *all* lines.
> 
> Arne

Actually, it doesn't match lines with zero characters, i.e. null lines.

$ type test_blank.txt
This has two null lines and one line with a single space, and one line with a single tab, and one line with a single <NUL>


 


$ sea test_blank.txt ""/out=test_blank_1.txt /stat /form=pass

Files searched:                 1       Buffered I/O count:         8
Records searched:               6       Direct I/O count:          10
Characters searched:          125       Page faults:               16
Records matched:                4       Elapsed CPU time:  0 00:00:00.00
Lines printed:                  4       Elapsed time:      0 00:00:00.01
$ 

Note the difference between records searched and records matched.