Update cheatsheets

tldr/gallery-dl

@@ -12,6 +12,10 @@ source: https://github.com/tldr-pages/tldr.git
 
 `gallery-dl "{{url}}"`
 
+- Save images to a specific directory:
+
+`gallery-dl --destination {{path/to/directory}} "{{url}}"`
+
 - Retrieve pre-existing cookies from your web browser (useful for sites that require login):
 
 `gallery-dl --cookies-from-browser {{browser}} "{{url}}"`

tldr/lazydocker

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# lazydocker
+
+> A terminal UI for managing Docker containers, images, volumes, and more.
+> More information: <https://github.com/jesseduffield/lazydocker>.
+
+- Open Lazydocker:
+
+`lazydocker`
+
+- Display the current default configuration:
+
+`lazydocker --config`
+
+- Run Lazydocker in debug mode:
+
+`lazydocker --debug`
+
+- Specify an alternate Docker Compose file:
+
+`lazydocker --file {{path/to/docker-compose.yml}}`
+
+- Display help:
+
+`lazydocker --help`
+
+- Display version:
+
+`lazydocker --version`

tldr/let

@@ -0,0 +1,26 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# let
+
+> Evaluate arithmetic expressions in shell.
+> Supports variables, operators, and conditional expressions.
+> More information: <https://manned.org/let>.
+
+- Evaluate a simple arithmetic expression:
+
+`let "{{result = a + b}}"`
+
+- Use post-increment and assignment in an expression:
+
+`let "{{x++}}"`
+
+- Use conditional operator in an expression:
+
+`let "{{result = (x > 10) ? x : 0}}"`
+
+- Display help:
+
+`let --help`

tldr/linux/exch

@@ -0,0 +1,13 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# exch
+
+> Swap the filepaths and filenames of two files.
+> More information: <https://manned.org/exch>.
+
+- Swap filepaths:
+
+`exch {{path/to/file1}} {{path/to/file2}}`

tldr/linux/lsfd

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# lsfd
+
+> List open files and the corresponding processes in Linux.
+> More information: <https://manned.org/lsfd>.
+
+- List all open file descriptors:
+
+`lsfd`
+
+- List all files kept open by a specific program:
+
+`lsfd -Q 'PID == {{process_ID}}'`
+
+- Check what program has a specific file open:
+
+`lsfd -Q "NAME == '{{/path/to/file}}'"`
+
+- List open IPv4 or IPv6 sockets:
+
+`lsfd -i{{4|6}}`

tldr/linux/pacman-q

@@ -0,0 +1,12 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pacman -Q
+
+> This command is an alias of `pacman --query`.
+
+- View documentation for the original command:
+
+`tldr pacman query`

tldr/linux/pacman-query

@@ -9,34 +9,34 @@ source: https://github.com/tldr-pages/tldr.git
 > See also: `pacman`.
 > More information: <https://manned.org/pacman.8>.
 
-- List installed packages and versions:
+- [Q]uery the local package database and list installed packages and versions:
 
-`pacman --query`
+`pacman -Q`
 
-- List only packages and versions that were explicitly installed:
+- List only packages and versions that were [e]xplicitly installed:
 
-`pacman --query --explicit`
+`pacman -Qe`
 
-- Find which package owns a file:
+- Find which package [o]wns a file:
 
-`pacman --query --owns {{filename}}`
+`pacman -Qo {{filename}}`
 
-- Display information about an installed package:
+- Display information about an [i]nstalled package:
 
-`pacman --query --info {{package}}`
+`pacman -Qi {{package}}`
 
-- List files owned by a package:
+- Display the [l]ist of files owned by a specific package:
 
-`pacman --query --list {{package}}`
+`pacman -Ql {{package}}`
 
-- List orphan packages (installed as dependencies but not required by any package):
+- List orphan packages (installed as [d]ependencies but unrequired ([t]) by any package and print in [q]uiet mode (only package name is displayed)):
 
-`pacman --query --unrequired --deps --quiet`
+`pacman -Qdtq`
 
-- List installed packages not found in the repositories:
+- List installed packages foreign ([m]) to the repository database:
 
-`pacman --query --foreign`
+`pacman -Qm`
 
-- List outdated packages:
+- List packages that can be [u]pgraded:
 
-`pacman --query --upgrades`
+`pacman -Qu`

tldr/linux/pg

@@ -0,0 +1,13 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pg
+
+> View files one page at a time.
+> More information: <https://manned.org/pg>.
+
+- View a file:
+
+`pg {{path/to/file}}`

tldr/osx/autoraise

@@ -0,0 +1,13 @@
+---
+syntax: markdown
+tags: [tldr, osx]
+source: https://github.com/tldr-pages/tldr.git
+---
+# AutoRaise
+
+> Automatically raise and/or focus a window when hovering over it with the mouse.
+> More information: <https://github.com/sbmpost/AutoRaise>.
+
+- Run AutoRaise in the background:
+
+`autoraise &`

tldr/osx/bclm

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, osx]
+source: https://github.com/tldr-pages/tldr.git
+---
+# bclm
+
+> Set a custom charge limit on MacBooks.
+> More information: <https://github.com/zackelia/bclme>.
+
+- Set the charge limit to about 80% (for Intel machines, the battery charge level may be slightly lower than the set value):
+
+`sudo bclm write {{77}}`
+
+- Read the current charge limit:
+
+`bclm read`
+
+- Keep the charge limit after rebooting/smc reset:
+
+`sudo bclm persist`
+
+- Remove the persistent charge limit:
+
+`sudo bclm unpersist`

tldr/set

@@ -35,3 +35,7 @@ source: https://github.com/tldr-pages/tldr.git
 - Exit the shell when (some) commands fail:
 
 `set -e`
+
+- Reset all shell parameters and assign new ones:
+
+`set -- {{argument1 argument2...}}`

tldr/v

@@ -0,0 +1,41 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# v
+
+> A tool for managing V source code.
+> More information: <https://docs.vlang.io/getting-started.html>.
+
+- Compile a file and output its executable:
+
+`v {{path/to/file.v}}`
+
+- Compile the current project or directory:
+
+`v .`
+
+- Compile a file and run it:
+
+`v run {{path/to/file.v}}`
+
+- Compile a file and run it, output its executable:
+
+`v crun {{path/to/file.v}}`
+
+- Re-compile on every modification to a file:
+
+`v watch {{path/to/file.v}}`
+
+- Re-run on every modification to a file:
+
+`v watch run {{path/to/file.v}}`
+
+- Open the v repl:
+
+`v repl`
+
+- Format a file and [w]rite to it:
+
+`v fmt -w {{path/to/file.v}}`

tldr/{

@@ -0,0 +1,41 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# Curly brace
+
+> Multipurpose shell syntax.
+> More information: <https://www.gnu.org/software/bash/manual/bash.html#index-hash>.
+
+- Isolate variable names:
+
+`echo ${HOME}work`
+
+- Brace expand sequences:
+
+`echo {1..3} {a..c}{dir1,dir2,dir3}`
+
+- Check if `variable` is set before returning text:
+
+`echo ${variable:+variable is set and contains $variable}`
+
+- Set default values in case `variable` is unset:
+
+`echo ${variable:-default}`
+
+- Return `variable` length in characters:
+
+`echo ${#variable}`
+
+- Return a string slice:
+
+`echo ${variable:3:7}`
+
+- Recursively expand a `variable`:
+
+`echo ${!variable}`
+
+- Capitalize all the characters:
+
+`echo ${variable^^}`