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#diskRipper.sh by Leif Messinger#For use on debian, where your cds aren't immediately mountedwall "CD inserted boss"set -x #echo oncdDrivePath=$(ls -l /dev/cdrom | awk '{print $NF}')#CD could have no label, so that's why I need awkcdLabel=$(lsblk -n "/dev/$cdDrivePath" -o label)if [[ ! -z "$cdLabel" ]]; then #CD has labelfolderName=$cdLabelecho "The cd label is ${folderName}"if mkdir ./cds/"${folderName}"; then #Folder didn't exist beforesudo mount /dev/cdrom ./.cdmountpointsudo cp -r ./.cdmountpoint/* "./cds/${folderName}"sudo chmod -R 777 "./cds/${folderName}"sudo umount ./.cdmountpointejectwall "CD done and ejecting"elsewall "Already read that cd, skipped"fielsewall "CD had no label, skipped"fi
name="John"echo ${name}echo ${name/J/j} #=> "john" (substitution)echo ${name:0:2} #=> "Jo" (slicing)echo ${name::2} #=> "Jo" (slicing)echo ${name::-1} #=> "Joh" (slicing)echo ${name:(-1)} #=> "n" (slicing from right)echo ${name:(-2):1} #=> "h" (slicing from right)echo ${food:-Cake} #=> $food or "Cake"
# Update all npm packages under the scope defined by the PREFIX variable ("foo").PREFIX="foo"; npm ls | grep "$PREFIX" | awk -F/ '{print $NF}' | sed 's/@.*//' | xargs -I package npm update @"$PREFIX"/package
#!/bin/shBAT_LOW=15BAT_CRITICAL=5if [ "$1" = "--help" ]thenprintf "Usage:\tbattery_check.sh warning%% hibernate%%Description:\tA script for notifying the user via dunst and logging when\tthe battery is low and the system is going to hibernate.\tCan be supplied arguments for the battery low warning and\thibernation percentage thresholds as the first and second arguments.\t Default behavior is to warn at 15% and hibernate at 5%."exitfiif [[ -n "$1" && -n "$2" && $1 -gt $2 ]]thenBAT_LOW=$1BAT_CRITICAL=$2fiacpi -b | awk -F'[,:%]' '{print $2, $3}' | {read -r status capacityecho Low threshold: $BAT_LOW, Hibernate threshold: $BAT_CRITICALecho Status: $status, Capacity: $capacityif [ "$status" = Discharging -a "$capacity" -le $BAT_CRITICAL ]; thenecho Battery critical threshold.dunstify -u critical "Critical battery threshold, hibernating..."logger "Critical battery threshold, hibernating..."sleep .5systemctl hibernateexitfiif [ "$status" = Discharging -a "$capacity" -le $BAT_LOW ]; thenecho Battery low threshold.dunstify -u critical 'Battery low! System will hibernate at 5%.'logger 'Battery low! System will hibernate at 5%.'sleep .5light -S 15exitfi}
#!/bin/bash#Takes all the c and h files in the current directory and prints them#Yup, it's that easyfor file in *.h *.hpp *.c *.cpp; do#If it existsif [ -f "$file" ]; thenecho "//===============$file==============="cat $filefidone
# Run "test" script on all packagesnpm run test --workspaces# Tip - this also works:npm run test -ws----------------------------------------------------# Runs "test" only on package-anpm run test --workspace package-a# Tip - this also works:npm run test -w package-a----------------------------------------------------# Install `lodash` on `package-a`npm install lodash --workspace package-a# Install `tap` on `package-b` as a dev dependencynpm install tap --workspace package-b --save-dev# Install `package-a` on `package-b`npm install package-a --workspace package-b# Install `eslint` in all packagesnpm install eslint --workspaces