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Show current network interface in use
This is sample output - yours may be different.
1

ip addr | awk '/state UP/ {print $2}' | sed 's/.$//'

wuziduzi · 2021-05-17 16:05:35 16
Bash alias to output the current Swatch Internet Time

Output the current time in Swatch “Internet Time”, aka .beats. There are 1000 .beats in a day, and @0 is at 00:00 Central European Standard Time. This was briefly a thing in the late 1990s. More details: https://2020.swatch.com/en_ca/internet-time/ The alias is rather quote heavy to protect the subshell, so the bare command is: echo '@'$(TZ=GMT-1 date +'(%-S + %-M * 60 + %-H * 3600) / 86.4'|bc) Show Sample Output
This is sample output - yours may be different.
```
@811
```
1

alias beats='echo '\''@'\''$(TZ=GMT-1 date +'\''(%-S + %-M * 60 + %-H * 3600) / 86.4'\''|bc)'

scruss · 2021-05-27 18:42:21 11
Batch-Convert text file containing youtube links to mp3
This is sample output - yours may be different.
0

cat playlist.txt | while read line; do youtube-dl --extract-audio --audio-format mp3 -o "%(title)s.%(ext)s" ytsearch:"$line" ;done

B4ckBOne · 2021-05-20 17:19:08 24

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Convert seconds to [DD:][HH:]MM:SS

Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

Find usb device in realtime

Using this command you can track a moment when usb device was attached.

burn initial session on a growable DVD using growisofs

replace "directory name to burn on DVD" with actual directory name that you want to copy on DVD

Generate MD5 of string and output only the hash checksum in a readable format

Generates the md5 hash, without the trailing " -" and with the output "broken" into pairs of hexs.

convert UNIX timestamp to UTC timestamp

date -ud @1320198157

Rename files in batch

See n most used commands in your bash history

Rename a file with a random name

Give files a random name (don't ask why :-) The function will rename files but maintain their extensions. BUG: If a file doesn't have an extension it will end up with a dot at the end of the name. The parameter '8' for pwgen controls the length of filenames - eight random characters.

Command line progress bar

This command tar?s up a directory and sends the output to gzip, showing a rate of 223MB/s. This may require you installing the pv command. For debian based users out there: $ sudo aptitude install pv

import a new set of files located in a local directory into a remote Subversion repository

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