Some scripts I use often

brewup

A macOS shell script to update, upgrade and clean your brew installation that shows a Notification Center notification when complete.

Ideally, you'd want this in a directory that is within your PATH, such as ~/bin.

If you do not have one directory like that, I strongly suggest to make one and edit your ~/.bash_profile accordingly by adding: export PATH="/Users/yourusername/bin":$PATH

Make it executable with chmod u+x ~/bin/brewup and just run it from your Terminal by issuing brewup

clean_kernel_headers.sh

A BASH script that I've found a while back at the Ubuntu Forums - it basically cleans all the unused kernel header files and associated junk that generally you would not need thus freeing up some valuable storage space.

1. Put this within your PATH, such as ~/bin.
2. Make it executable with chmod u+x ~/bin/clean_kernel_headers.sh
3. Run it by simply executing clean_kernel_headers.sh from anywhere

dhcp_leases

A Python script that shows the currently active DHCP leases, courtesy of the kind fellow at https://askubuntu.com/a/553387

1. Put this within your PATH, such as ~/bin.
2. Make it executable with chmod u+x ~/bin/dhcp_leases
3. Run it by simply executing dhcp_leases from anywhere

filevault_progress

A macOS shell script that shows the FileVault / APFS encryption process for all ongoing drives.

1. Put this within your PATH, such as ~/bin.
2. Make it executable with chmod u+x ~/bin/filevault_progress
3. Run it by simply executing filevault_progress from anywhere

ipchange.sh

A BASH script to detect and email the newly associated IPv4 address of a selected network interface, it queries the PHP file sitting over at my blog - read more about it in my relevant post here: https://gaborhargitai.hu/your-external-ip-address/

remove_evusb.sh

A BASH script for macOS that completely removes all remnants of the Eltime USB over Ethernet software (https://www.eltima.com/products/usb-over-ethernet/)

xcodecleanxattr

An invaluable script that strips all images files from the metadata that is not tolerated by Xcode - this usually shows up as a build error that points to newly added images.

1. Put this within your PATH, such as ~/bin.
2. Make it executable with chmod u+x ~/bin/xcodecleanxattr
3. Run it by simply executing xcodecleanxattr from the directory that holds the images in question

pronvert_dir

Converts all files that do not have '-x265.' or '.h265.' in their name to HEVC/x265 using FFmpeg. Warns if you do not run it in a separate 'screen' as conversions tend to run for a long time. 'caffeinate' is macOS command to prevent the system from entering sleep mode. Ideally, the first audio track will be used and hard compressed to AAC 128k Stereo. Bad chapter data is discarded along with subtitles - although these can be altered by using a combination of the commented out commands.

1. Put this within your PATH, such as ~/bin.
2. Make it executable with chmod u+x ~/bin/pronvert_dir
3. Run it by simply executing pronvert_dir from the directory that holds the video files in question

Sample output:

[2018-11-14 06:33:10] Converting: video1
frame=94768 fps= 17 q=-0.0 Lsize= 448349kB time=00:52:42.09 bitrate=1161.5kbits/s speed=0.556x
[2018-11-14 08:07:55] Finished in 94 minutes and 45 seconds