Edit helm-occur results with wgrep

[ipocentro87]

Hi all,
I was wondering how to edit the saved buffer generated by helm-occur with wgrep, similarly to what I can do with helm-do-grep-ag.
So when I type helm-occur I select the action "Save buffer", that creates me a helm-occur buffer.
I expected that after wgrep-change-to-wgrep-mode + changes + wgrep-finish-edit I was able to modify the occurrences in the buffer, but the function returns with "(No changes to be performed)".
Do you have any clue on how I can apply the changes?
Thanks in advance

[thierryvolpiatto]

Marcello Ranone ***@***.***> writes:

Hi all, I was wondering how to edit the saved buffer generated by helm-occur with wgrep, similarly to what I can do with helm-do-grep-ag. So when I type helm-occur I select the action "Save buffer", that creates me a helm-occur buffer. I expected that after wgrep-change-to-wgrep-mode + changes + wgrep-finish-edit I was able to modify the occurrences in the buffer, but the function returns with "(No changes to be performed)". Do you have any clue on how I can apply the changes?

I guess you don't have installed and or loaded wgrep-helm.el, here I install wgrep from source (git) and the file is included but IIRC there is a package providing this file. With this installed it is working fine here.

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[ipocentro87]

Hi Thierry, I already have wgrep-helm (version 20230202.315) installed in Emacs, and (wgrep-helm-setup) is in helm-occur-mode-hook.

[ipocentro87]

I've found why it doesn't work on my side. I had changed the helm-occur-transformer function to display results in this fashion %4s %s instead of %s:%s to have line numbers aligned.
By reverting the change it works as expected. I guess wgrep needs occurrences to be in the form line_number:file.

[thierryvolpiatto]

Marcello Ranone ***@***.***> writes:

1. ( ) text/plain (*) text/html I've found why it doesn't work on my side. I had changed the helm-occur-transformer function to display results in this fashion %4s %s instead of %s:%s to have line numbers aligned. By reverting the change it works as expected. I guess wgrep needs occurrences to be in the form line_number:file.

Not exactly, wgrep needs file:linum:xxxxxxx or linum:xxxxxxx where linum contains a text property handling file or buffer name (helm grep or helm occur).

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