This script does that, starting with the current date and adding one day per file.
// https://resource.dopus.com/t/photos-sequentially-set-date-taken-digitized-created-and-modified/43090
// 2022-12-08
function OnClick(clickData) {
var cmd = clickData.func.command;
var tab = clickData.func.sourcetab;
cmd.deselect = false;
var currDate = DOpus.Create().Date();
for (var e = new Enumerator(tab.selected_files); !e.atEnd(); e.moveNext()) {
var item = e.item();
var str = currDate.Format('D#yyyy-MM-dd T#HH:mm:ss');
cmd.RunCommand('SetAttr FILE="' + item + '" META "createdate:' + str + '" "datedigitized:' + str + '" "datetaken:' + str + '" "lastmodifieddate:' + str + '"');
currDate.Add(1, 'd');
}
}
Button as XML
<?xml version="1.0"?>
<button backcol="none" display="both" label_pos="right" textcol="none">
<label>43090</label>
<icon1>#newcommand</icon1>
<function type="script">
<instruction>@script JScript</instruction>
<instruction>// https://resource.dopus.com/t/photos-sequentially-set-date-taken-digitized-created-and-modified/43090</instruction>
<instruction />
<instruction>// 2022-12-08</instruction>
<instruction />
<instruction>function OnClick(clickData) {</instruction>
<instruction> var cmd = clickData.func.command;</instruction>
<instruction> var tab = clickData.func.sourcetab;</instruction>
<instruction> cmd.deselect = false;</instruction>
<instruction />
<instruction> var currDate = DOpus.Create().Date();</instruction>
<instruction />
<instruction> for (var e = new Enumerator(tab.selected_files); !e.atEnd(); e.moveNext()) {</instruction>
<instruction> var item = e.item();</instruction>
<instruction> var str = currDate.Format('D#yyyy-MM-dd T#HH:mm:ss');</instruction>
<instruction> cmd.RunCommand('SetAttr FILE="' + item + '" META "createdate:' + str + '" "datedigitized:' + str + '" "datetaken:' + str + '" "lastmodifieddate:' + str + '"');</instruction>
<instruction> currDate.Add(1, 'd');</instruction>
<instruction> }</instruction>
<instruction>}</instruction>
</function>
</button>