Update cheatsheets

linux/dmenu

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# dmenu
+
+> Dynamic menu.
+> Creates a menu from a text input with each item on a new line.
+> More information: <https://manned.org/dmenu>.
+
+- Display a menu of the output of the `ls` command:
+
+`{{ls}} | dmenu`
+
+- Display a menu with custom items separated by a new line (`
+`):
+
+`echo -e "{{red}}
+{{green}}
+{{blue}}" | dmenu`
+
+- Let the user choose between multiple items and save the selected one to a file:
+
+`echo -e "{{red}}
+{{green}}
+{{blue}}" | dmenu > {{color.txt}}`
+
+- Launch dmenu on a specific monitor:
+
+`ls | dmenu -m {{1}}`
+
+- Display dmenu at the bottom of the screen:
+
+`ls | dmenu -b`