Re: diff and patch

On Tue, 17 Jun 2025 12:13:59 GMT, Arjen wrote:

Mark Summerfield <m.n.summerfield@gmail.com> posted:
 

I want these functions:
 
    proc diff {old new} -> # diff data "ddata"
    proc patch {old ddata} -> # new
 
where old and new are strings.
 
I thought the Tcllib's rcs module could do this but I can't figure it

out.

 
Is this possible using the rcs module or using the struct::list

module's

LCS functions?

 
The patch functionality (but not the diff) is provided by the textutil

package,

if I understand it correctly.

An example would be really helpful. I find the rcs docs difficult to
understand. I made some process with the LCS stuff but even so didn't get
far.