Update cheatsheets

tldr/linux/emerge

@@ -17,7 +17,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 `sudo emerge {{[-avuDN|--ask --verbose --update --deep --newuse]}} @world`
 
-- Resume a failed updated, skipping the failing package:
+- Resume a failed update, skipping the failing package:
 
 `sudo emerge --resume --skipfirst`
 

tldr/linux/rnm

@@ -0,0 +1,41 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# rnm
+
+> Bulk Rename Utility.
+> More information: <https://github.com/neurobin/rnm>.
+
+- Replace a search string with a replacement string in filenames:
+
+`rnm -ss {{old}} -rs {{new}} {{path/to/directory}}`
+
+- Use a fixed (literal) search and replace string instead of regex:
+
+`rnm -ssf {{old}} -rs {{new}} {{path/to/files}}`
+
+- Add an auto-incremented index to filenames starting from 1:
+
+`rnm -i 1 -inc 1 -rs {{_}} {{path/to/files}}`
+
+- Rename files using a list of new names from a text file:
+
+`rnm -ns/f {{path/to/names.txt}} {{path/to/files}}`
+
+- Rename only files (ignoring directories and links):
+
+`rnm -fo -ss {{pattern}} -rs {{replacement}} {{path/to/files}}`
+
+- Sort input files by modification time before renaming:
+
+`rnm -s/mt -ss {{pattern}} -rs {{replacement}} {{path/to/files}}`
+
+- Run a simulation without making actual changes:
+
+`rnm -sim -ss {{pattern}} -rs {{replacement}} {{path/to/files}}`
+
+- Undo the last renaming operation:
+
+`rnm -u`

tldr/pandoc

@@ -8,17 +8,25 @@ source: https://github.com/tldr-pages/tldr.git
 > Convert documents between various formats.
 > More information: <https://pandoc.org/MANUAL.html>.
 
-- Convert file to PDF (the output format is determined by file extension):
+- Convert a Markdown file to PDF using `pdflatex` (the formats are determined by file extensions):
 
 `pandoc {{path/to/input.md}} {{[-o|--output]}} {{path/to/output.pdf}}`
 
+- Convert a Markdown file to PDF using the specified PDF engine:
+
+`pandoc {{path/to/input.md}} --pdf-engine {{tectonic|weasyprint|typst|...}} {{[-o|--output]}} {{path/to/output.pdf}}`
+
 - Convert to a standalone file with the appropriate headers/footers (for LaTeX, HTML, etc.):
 
 `pandoc {{path/to/input.md}} {{[-s|--standalone]}} {{[-o|--output]}} {{path/to/output.html}}`
 
-- Manually specify format detection and conversion (overriding automatic format detection using filename extension or when filename extension is missing altogether):
+- Manually specify formats (overriding automatic format detection using the filename extension, or when there is no extension):
 
-`pandoc {{-f|-r|--from|--read}} {{docx|...}} {{path/to/input}} {{-t|-w|--to|--write}} {{pdf|...}} {{[-o|--output]}} {{path/to/output}}`
+`pandoc {{[-f|--from]}} {{docx|...}} {{path/to/input}} {{[-t|--to]}} {{pdf|...}} {{[-o|--output]}} {{path/to/output}}`
+
+- Transform a document using a Lua script (see <https://pandoc.org/lua-filters.html> for more information):
+
+`pandoc {{path/to/input}} {{[-L|--lua-filter]}} {{path/to/filter.lua}} {{[-o|--output]}} {{path/to/output}}`
 
 - List all supported input formats:
 

tldr/tqdm

@@ -5,9 +5,21 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # tqdm
 
-> Create a progress bar.
+> Show progress over time of a command.
 > More information: <https://tqdm.github.io/>.
 
+- Show iterations per second and use `stdout` afterwards:
+
+`{{seq 10000000}} | tqdm | {{command}}`
+
 - Create a progress bar:
 
-`seq 10000000 | tqdm --total 10000000 --null`
+`{{seq 10000000}} | tqdm --total {{10000000}} | {{command}}`
+
+- Create an archive out of a directory and use the file count of that directory to create a progress bar:
+
+`zip -r {{path/to/archive.zip}} {{path/to/directory}} | tqdm --total $(find {{path/to/directory}} | wc -l) --unit files --null`
+
+- Create an archive with tar and create a progress bar (system agnostic, GNU tar uses `stdout` while BSD tar uses `stderr`):
+
+`tar vzcf {{path/to/archive.tar.gz}} {{path/to/directory}} 2>&1 | tqdm --total $(find {{path/to/directory}} | wc -l) --unit files --null`