## shell stuff
### chapters
* **[shell scripts](shell_scripts)**
* **[zsh stuff](zsh)**
---
### some quick and useful shell commands
* downloading all pdfs of url
```shell
wget --recursive --level=2 --no-directories --no-host-directories --accept pdf
```
* extended attributes of files
```shell
xattr -l $file
```
* check signatures of apps
```shell
codesign -dvvv $file.app
```
* show all the configs
```shell
system_profiler -detaillevel full
```
* 瑪麗
```shell
convert -size 360x360 xc:white -font "FreeMono" -pointsize 12 -fill black -draw @ascii.txt
```
* remove metadata from images with **[exiftool](https://exiftool.org/install.html)**
```shell
exiftool -all= -overwrite_original input.jpg -o output.jpg
```