Questions tagged [filtering]

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votes
3answers
57 views

emacs grep eliminate suspects

Typically, at the beginning of a coding/maintenance task, I usually start with a carefully worded grep, such as M-x grep git --no-pager grep -n -e 'collect' -- ':!*spec*' ':!*.yml'<enter> and ...
0
votes
2answers
38 views

Filter list by regexps

How can I get all elements of a list which don't match multiple patterns? The patterns are given as a list. For instance, I want all files without '("no" "nix") in them. (setq se-...
1
vote
1answer
48 views

Filter the content read from file

(This follows the answer to the question: Completion of sentences stored in a file.) Suppose I have a file, the content of which being organized thanks to org-mode: * Dreams ≠ reality Please, don'...
0
votes
1answer
16 views

shortname for complex filter in org agenda

I want to give a shortname to a regular filter I use for agenda. To prepare some meeting, i have a list of task / note with tag. I filter tag in org-agenda and before the meeting, i use org-agenda ...
2
votes
1answer
45 views

Hide org-table rows outside certain date ranges?

Excel tables lets us show just the rows that have "July 2018" in a specific column, and hide the rest. Or to show "21st August 2017-30th August 2017, and also July 2018, and also all of 2019", and ...
0
votes
0answers
21 views

shell blocks chaining with :post-processing calls and using stdin to create “filter” blocks

To increase modularisation of my emacs code blocks I'm attempting to factor out common functionality into separate function blocks. I'm running into difficulties with chaining :post calls, and using :...
0
votes
1answer
126 views

How to filter a dynamic block column view by tags with a :match selector?

I'm trying to filter an org mode heading by tag in a dynamic block, but the match syntax is not quite working out. Example: #+COLUMNS: %25ITEM %TAGS * Something ...
2
votes
2answers
150 views

How keep only duplicate lines?

Emacs 26.1. Windows 10 In buffer I has text like this: 3333333 1111111 $PAC_LTC 1337_BTC 1337_LTC 404_BTC 42_BTC 222222 42_LTC 808_ETH 8BIT_BTC ...
2
votes
0answers
53 views

org-mode: Duplicate tag groups when filtering agenda

When filtering org-agenda by tags using org-agenda-filter-by-tag, tag groups specified in org-tag-alist show up multiple times. org-agenda-filter-by-tag uses the variable org-tag-alist-for-agenda, ...
2
votes
1answer
1k views

Error in process filter

I am trying to play with the make-process function and get information from it. I am getting some errors in my process filter that I am having trouble understanding. When I run my ceedling-version ...
1
vote
1answer
73 views

isearch-forward, call-interactively, and isearch-filter-predicate

Here are two use cases where I call isearch-forward with some filter predicate. (let ((isearch-filter-predicate (lambda (a b) nil))) (funcall 'isearch-forward)) (let ((isearch-filter-predicate (...
2
votes
1answer
69 views

ibuffer hide beginning of lines

When I press C-x C-b I get ibuffer (installed as part of prelude I think) I like to press backtick and get the Filename/Process displayed. Another SE answer helped me with that. (ibuffer hide columns)...
1
vote
1answer
196 views

Spacemacs+magit+helm checkout hide branches

Due to my workflow I have a lot of branches that I don't want to see in the magit helm checkout window. Is there a way to hide some branches here, preferably with a regexp?
0
votes
2answers
77 views

How do I filter an alist to just the properties I care about?

To effectively use a service's API, I'm leveraging json-read to turn the JSON response into an understandable data structure: (let ((json-object-type 'alist) (json-array-type 'list) (...
1
vote
0answers
152 views

Org-Agenda day agenda filtered by tags OR'ed

A custom Agenda view can be filtered by tags AND'ed, e.g. show entries having both play AND read tags, like this: (setq org-agenda-custom-commands '(("p" "play AND read" agenda "" ((org-agenda-...
3
votes
2answers
67 views

Builtin Filter Algorithm

In 25.1 there is (still) no builtin algorithm named filter. Why? What should I use instead? I think I've read somewhere that a standardized filter algorithm should be added to Emacs.
1
vote
2answers
274 views

Standard emacs lisp function for “collect-if”

Is there a standard emacs-lisp function replacement for (defun collect-if (PREDICATE LIST) (loop for el in LIST if (funcall PREDICATE el) collect el)) Example toy application: Extract the odd ...