Update cheatsheets

tldr/^

@@ -0,0 +1,22 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# Caret
+
+> Bash builtin to quick substitute a string in the previous command and run the result.
+> Equivalent to `!!:s^string1^string2`.
+> More information: <https://www.gnu.org/software/bash/manual/bash.html#Event-Designators>.
+
+- Run the previous command replacing `string1` with `string2`:
+
+`^{{string1}}^{{string2}}`
+
+- Remove `string1` from the previous command:
+
+`^{{string1}}^`
+
+- Replace `string1` with `string2` in the previous command and add `string3` to its end:
+
+`^{{string1}}^{{string2}}^{{string3}}`

tldr/bats

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# bats
+
+> Bash Automated Testing System: a TAP (<https://testanything.org/>) compliant testing framework for Bash.
+> More information: <https://bats-core.readthedocs.io/en/stable/usage.html>.
+
+- Run a BATS test script and output results in the TAP (Test Anything Protocol) format:
+
+`bats --tap {{path/to/test.bats}}`
+
+- Count test cases of a test script without running any tests:
+
+`bats --count {{path/to/test.bats}}`
+
+- Run BATS test cases contained in a directory and its subdirectories (files with a `.bats` extension):
+
+`bats --recursive {{path/to/directory}}`
+
+- Output results in a specific format:
+
+`bats --formatter {{pretty|tap|junit}} {{path/to/test.bats}}`

tldr/ffuf

@@ -25,6 +25,6 @@ source: https://github.com/tldr-pages/tldr.git
 
 `ffuf -w {{path/to/wordlist.txt}} -u {{http://target.com}} -H "{{Host: FUZZ}}" -mc {{200}}`
 
-- Fuzz with specified HTTP method and payloa[d], while [f]iltering out comma separated status [c]odes:
+- Fuzz with specified HTTP method and [d]ata, while [f]iltering out comma separated status [c]odes:
 
 `ffuf -w {{path/to/postdata.txt}} -X {{POST}} -d "{{username=admin\&password=FUZZ}}" -u {{http://target/login.php}} -fc {{401,403}}`

tldr/git-clean

@@ -5,29 +5,29 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # git clean
 
-> Remove untracked files from the working tree.
+> Remove files not tracked by Git from the working tree.
 > More information: <https://git-scm.com/docs/git-clean>.
 
-- Delete files that are not tracked by Git:
+- Delete untracked files:
 
 `git clean`
 
-- Interactively delete files that are not tracked by Git:
+- [i]nteractively delete untracked files:
 
 `git clean -i`
 
-- Show what files would be deleted without actually deleting them:
+- Show which files would be deleted without actually deleting them:
 
 `git clean --dry-run`
 
-- Forcefully delete files that are not tracked by Git:
+- [f]orcefully delete untracked files:
 
 `git clean -f`
 
-- Forcefully delete directories that are not tracked by Git:
+- [f]orcefully delete untracked [d]irectories:
 
 `git clean -fd`
 
-- Delete untracked files, including ignored files in `.gitignore` and `.git/info/exclude`:
+- Delete untracked files, including e[x]cluded files (files ignored in `.gitignore` and `.git/info/exclude`):
 
 `git clean -x`

tldr/jq

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # jq
 
 > A command-line JSON processor that uses a domain-specific language (DSL).
-> More information: <https://stedolan.github.io/jq/manual/>.
+> More information: <https://jqlang.github.io/jq/manual/>.
 
 - Execute a specific expression (print a colored and formatted JSON output):
 
@@ -28,7 +28,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 `{{cat path/to/file.json}} | jq '{{.[index1], .[index2], ...}}'`
 
-- Print all array items/object keys:
+- Print all array/object values:
 
 `{{cat path/to/file.json}} | jq '.[]'`
 

tldr/linux/aur

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # aur
 
 > Build packages from the AUR and manage local repositories.
-> Note: A local repository needs to be set in `/etc/pacman.conf` and `vifm` needs to be installed for this to fully function.
+> Note: A local repository needs to be defined in `/etc/pacman.conf` and `vifm` needs to be installed for this to fully function.
 > More information: <https://github.com/aurutils/aurutils>.
 
 - Search the AUR database for a package:

tldr/linux/repo-add

@@ -8,6 +8,10 @@ source: https://github.com/tldr-pages/tldr.git
 > Package database maintenance utility which enables installation of said package via Pacman.
 > More information: <https://man.archlinux.org/man/repo-add>.
 
+- Create an empty repository:
+
+`repo-add {{path/to/database.db.tar.gz}}`
+
 - Add all package binaries in the current directory and remove the old database file:
 
 `repo-add --remove {{path/to/database.db.tar.gz}} {{*.pkg.tar.zst}}`

tldr/mpc

@@ -6,8 +6,8 @@ source: https://github.com/tldr-pages/tldr.git
 # mpc
 
 > Music Player Client.
-> Program for controlling the Music Player Daemon (MPD).
+> Control the Music Player Daemon (MPD).
-> More information: <https://www.musicpd.org/clients/mpc>.
+> More information: <https://www.musicpd.org/doc/mpc/html>.
 
 - Toggle play/pause:
 
@@ -21,14 +21,14 @@ source: https://github.com/tldr-pages/tldr.git
 
 `mpc status`
 
-- Play next song:
+- Play the next song:
 
 `mpc next`
 
-- Play previous song:
+- Play the previous song:
 
 `mpc prev`
 
-- Forward or rewind the currently playing song:
+- Seek `n` seconds forward (`+`) or backward (`-`):
 
-`mpc [+-]{{seconds}}`
+`mpc {{+n|-n}}`