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-rw-r--r--config/man/config-man-helper-functions.el31
1 files changed, 31 insertions, 0 deletions
diff --git a/config/man/config-man-helper-functions.el b/config/man/config-man-helper-functions.el
new file mode 100644
index 0000000..a58ba75
--- /dev/null
+++ b/config/man/config-man-helper-functions.el
@@ -0,0 +1,31 @@
+(defun config-man-pages ()
+ (let* ((manpath (getenv "MANPATH"))
+ (directories (split-string manpath ":" t))
+ (that-exist (seq-filter 'file-exists-p directories))
+ (files (mapcar (lambda (d)
+ (directory-files-recursively d ".*" nil))
+ that-exist))
+ (flattened (flatten-list files))
+ (pages (mapcar 'file-name-nondirectory flattened))
+ (without-second-ext (mapcar (lambda (p)
+ (let ((extension (file-name-extension p)))
+ (if (string-match-p "^[0-9+]$" extension)
+ p
+ (file-name-sans-extension p))))
+ pages)))
+ without-second-ext))
+
+(defun config-man-locate-page (page)
+ (with-temp-buffer
+ (let ((exit-code (call-process "man" nil (current-buffer) nil "--where" page)))
+ (when exit-code
+ (let* ((output (buffer-string))
+ (trimmed (string-trim-right output "\n")))
+ trimmed)))))
+
+(defun config-man-advice (orig &rest args)
+ (interactive)
+ (let ((page (or args (list (completing-read "Select page: " (config-man-pages) nil t)))))
+ (apply orig page)))
+
+(advice-add 'man :around 'config-man-advice)