• Oct 30, 2020 •LeifMessinger
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#!/bin/bash #getDependencies.sh by Leif Messinger grep -Po '#include\s*"\K.+(?=")' | while read -r line ; do echo -n " $line" ./getDependencies.sh < $line done
• Nov 19, 2022 •CodeCatch
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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"
• Sep 23, 2024 •AustinLeath
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CLIENT_VPN_ID="cvpn-endpoint-xxxxxxxxxxxx" for region in $(aws ec2 describe-regions --query "Regions[].RegionName" --output text); do echo "Searching in region: $region" aws ec2 describe-client-vpn-endpoints --region $region --query "ClientVpnEndpoints[?ClientVpnEndpointId=='$CLIENT_VPN_ID']" --output table done
• Oct 26, 2021 •LeifMessinger
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#!/bin/bash #Leif Messinger lsm0147 #credit.sh FILES cred="Leif Messinger lsm0147" for bruh; do if [[ $bruh =~ \.cpp|\.c|\.java|\.js ]]; then comment="//$cred" else #Basically everything else gets a pound sign comment #Pound signs are standard across linux. bash, sed, gawk, python etc #Speaking of which, I need to escape it because of that. comment="\#$cred" fi if [ -s $bruh ]; then #If the file has a shebang if egrep -q '^#!/' $bruh; then sed -i "/^\#!\//a$comment" $bruh else sed -i "1i$comment" $bruh fi else echo "$comment" > $bruh fi done
• Sep 29, 2021 •LeifMessinger
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#!/bin/bash #cpcmd.sh [file1 [file2...]] #Prints out the commands needed to copy the file to your local machine #This will work on any server that also has the same hostname as in your hosts file. #I should update this to detect if a file is a directory, and enable recursion for those commands. If you do it now, it will probably just warn you. if [ -n "$1" ]; then for arg; do recursive=$(if [[ -d $arg ]]; then printf " -r"; fi) printf "scp$recursive \"$(whoami)@$(hostname):" printf `readlink -f $arg` printf "\" .\n" done else echo "scp \"$(whoami)@$(hostname):$PWD/*\" ." fi #-----------EDIT: #On the UNT cell machines, you have to do this script instead ##!/bin/bash #if [ -n "$1" ]; then # for arg; do # recursive=$(if [[ -d $arg ]]; then printf " -r"; fi) # printf "scp$recursive $(whoami)@$(hostname).eng.unt.edu:" # printf `readlink -f $arg` # printf " .\n" # done #else # echo "scp $(whoami)@$(hostname).eng.unt.edu:$PWD/* ." #fi
• Aug 7, 2023 •C S
# Three ways of checking if a file exists in a shell script FILE=/etc/resolv.conf if test -f "$FILE"; then echo "$FILE exists." fi if [ -f "$FILE" ]; then echo "$FILE exists." fi if [[ -f "$FILE" ]]; then echo "$FILE exists." fi