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gaiety / bash-word-count.sh

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1	echo foo bar \| wc -w
2	# 2
3
4	echo foo\nbar\nbaz \| wc -l # multiple lines
5	# 3

gaiety / docker-reclaimed-space-prune.sh

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Docker system prune with reclaimed space results

bash docker grep prune

1	RESULT=$(docker system prune -a -f \| grep "reclaimed space")
2
3	echo "Docker system prune: $RESULT" # Reclaimed space 12GB

gaiety / rsync-status-check.sh

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Last active 1752986223

rsync success/fail message

bash rsync script shell

1	# rsync ./src ./copy
2
3	if [ "$?" -eq "0" ]; then
4	# rsync succeeded, 2nd to last line of log has some data amount moved for a message
5	MESSAGE=$(tail $logFile -n 2 \| head -n 1)
6	else
7	# rsync failed, take last line and make it the message
8	MESSAGE=$(tail $logFile -n 1)
9	fi

gaiety / date-time-bash.sh

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Last active 1752986119

Simple variables for the current date and time, great to include in logs for small scripts

1	currentDate=$(date +"%m_%d_%Y")
2	currentTime=$(date +"%T")
3
4	echo "Hello! It is $currentTime on the $currentDate" >> my-log.log

gaiety / Rsync the Linux Root Dir

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Without the cruft! It's nice to do a partial system root backup of Linux with rsync, this has a lot of excludes already for you.

bash rsync script shell

1	rsync -a \
2	--log-file=$logFile \
3	--exclude=/swap.img \
4	--exclude=/snap \
5	--exclude=/dev \
6	--exclude=/mnt \
7	--exclude=/proc \
8	--exclude=/sys \
9	--exclude=/tmp \
10	--exclude=/var/tmp \

gaiety / userIsTypingStuff.js

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Last active 1752984618

Hack for JavaScript check to see if the user might be typing somewhere

1	let userIsTypingStuff = document.querySelectorAll('input:focus, textarea:focus').length !== 0;

gaiety / toWords.hs

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Last active 1752984559

String To List Of Words

haskell

1	toWords :: String -> [String]
2	toWords x
3	\| length x == 0 = []
4	\| otherwise = takeWhile (/= ' ') x : toWords (drop 1 (dropWhile (/= ' ') x))

gaiety / Dynamic Length Arrays in JavaScript

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Last active 1752983856

array

1	let arrayOf100Things = [...Array(100).keys()];

gaiety / JS Map, easier than hash, reduces loops

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Last active 1752983411

Avoiding Nested Loops with `new Map()`

array loops map

1	let myHugeArray = [...Array(10000).keys()].map(id => { return {id}; });
2	let listIWant = [1010, 2020, 3030, 4040, 5050, 6060, 7070, 8080, 9090];
3
4	// INSTEAD OF:
5	myHugeArray.filter(obj => listIWant.includes(obj.id));
6
7	// TRY:
8	let mapIWant = new Map();
9	listIWant.forEach(id => mapIWant.set(id));
10	myHugeArray.filter(obj => mapIWant.has(obj.id));