Update cheatsheets

tldr/egrep

@@ -5,7 +5,7 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # egrep
 
-> Find patterns in files using extended regular expression (supports `?`, `+`, `{}`, `()` and `|`).
+> Find patterns in files using extended regular expression (supports `?`, `+`, `{}`, `()`, and `|`).
 > More information: <https://manned.org/egrep>.
 
 - Search for a pattern within a file:

tldr/grep

@@ -20,7 +20,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 `grep {{-r|--recursive}} {{-n|--line-number}} --binary-files {{without-match}} "{{search_pattern}}" {{path/to/directory}}`
 
-- Use extended regular expressions (supports `?`, `+`, `{}`, `()` and `|`), in case-insensitive mode:
+- Use extended regular expressions (supports `?`, `+`, `{}`, `()`, and `|`), in case-insensitive mode:
 
 `grep {{-E|--extended-regexp}} {{-i|--ignore-case}} "{{search_pattern}}" {{path/to/file}}`
 

tldr/linux/informant

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# informant
+
+> Read Arch Linux package news.
+> More information: <https://github.com/bradford-smith94/informant>.
+
+- Read all unread news:
+
+`sudo informant read`
+
+- Check for news:
+
+`informant check`
+
+- List latest news:
+
+`informant list`
+
+- Display help:
+
+`informant --help`

tldr/linux/qmake

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# qmake
+
+> Generate Makefiles from Qt project files.
+> More information: <https://doc.qt.io/qt-6/qmake-manual.html>.
+
+- Generate a `Makefile` from a project file in the current directory:
+
+`qmake`
+
+- Specify `Makefile` and project file locations:
+
+`qmake -o {{path/to/Makefile}} {{path/to/project_file.pro}}`
+
+- Generate a default project file:
+
+`qmake -project`
+
+- Compile a project:
+
+`qmake && make`
+
+- Enable debug mode:
+
+`qmake -d`

tldr/tqdm

@@ -0,0 +1,13 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# tqdm
+
+> Create a progress bar.
+> More information: <https://tqdm.github.io/>.
+
+- Create a progress bar:
+
+`seq 10000000 | tqdm --total 10000000 --null`