• Oct 15, 2022 •CodeCatch
0 likes • 155 views
awk '\ { for (i=1; i<=NF; i++) { ++D[$i]; } }\ END { for (i in D) { print i, D[i] } }\ ' words.txt | sort -nr -k 2
• Nov 18, 2022 •AustinLeath
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# # Austin Leath # checks for /Desktop symlink. Creates the symlink if it doesnt already exist # #Fetch the target user if desired, otherwise use the currently logged in user. if [ "$4" != "" ]; then TARGET_USER=$4 else TARGET_USER=$3 fi if [ "$5" != "" ]; then DIRECTORY_NAME=$5 else TARGET_USER="$3 Desktop" fi # Functions CHECK_SYMLINK() { if test -f "/Desktop"; then echo "/Desktop exists" else echo "/Desktop does not exist" fi } CHECK_SYNTHETIC_CONF() { if test -f "/etc/synthetic.conf"; then echo "/etc/synthetic.conf exists" else echo "/etc/synthetic.conf does not exist" fi } CREATE_SYMLINK() { if [[ $(CHECK_SYNTHETIC_CONF) != "/etc/synthetic.conf exists" ]]; then echo "/etc/synthetic.conf does not exist. creating.." touch /etc/synthetic.conf chown -R root:wheel /etc/synthetic.conf fi if grep -q "$DIRECTORY_NAME" /etc/synthetic.conf; then echo "$DIRECTORY_NAME already exists" exit 1 else echo "$DIRECTORY_NAME\t/Users/$TARGET_USER/Desktop" >> /etc/synthetic.conf fi echo "/Desktop symbolic link created" } if [[ $(CHECK_SYMLINK) != "/Desktop exists" ]]; then CREATE_SYMLINK fi exit 0
echo -e ${PATH//:/\\n} | awk '{print length, $0}' | sort -n | cut -f2- -d' '
• Nov 19, 2022 •CodeCatch
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} #=> $food or "Cake"
• Aug 7, 2023 •C S
0 likes • 2 views
# Three ways of checking if a file exists in a shell script FILE=/etc/resolv.conf if test -f "$FILE"; then echo "$FILE exists." fi if [ -f "$FILE" ]; then echo "$FILE exists." fi if [[ -f "$FILE" ]]; then echo "$FILE exists." fi
• Apr 21, 2021 •LeifMessinger
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#diskRipper.sh by Leif Messinger #For use on debian, where your cds aren't immediately mounted wall "CD inserted boss" set -x #echo on cdDrivePath=$(ls -l /dev/cdrom | awk '{print $NF}') #CD could have no label, so that's why I need awk cdLabel=$(lsblk -n "/dev/$cdDrivePath" -o label) if [[ ! -z "$cdLabel" ]]; then #CD has label folderName=$cdLabel echo "The cd label is ${folderName}" if mkdir ./cds/"${folderName}"; then #Folder didn't exist before sudo mount /dev/cdrom ./.cdmountpoint sudo cp -r ./.cdmountpoint/* "./cds/${folderName}" sudo chmod -R 777 "./cds/${folderName}" sudo umount ./.cdmountpoint eject wall "CD done and ejecting" else wall "Already read that cd, skipped" fi else wall "CD had no label, skipped" fi