• Mar 20, 2023 •C S
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// check version node -v || node --version // list installed versions of node (via nvm) nvm ls // install specific version of node nvm install 6.9.2 // set default version of node nvm alias default 6.9.2 // switch version of node nvm use 6.9.1
• 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" > $bruh fi done
• Aug 7, 2023 •C S
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# Three ways of checking if a file exists in a shell script FILE=/etc/resolv.conf if test -f "$FILE"; then echo "$FILE exists." fi if [ -f "$FILE" ]; then echo "$FILE exists." fi if [[ -f "$FILE" ]]; then echo "$FILE exists." fi
• Nov 18, 2022 •AustinLeath
0 likes • 9 views
#for ssh abuse attempts action = %(action_)s %(action_abuseipdb)s[abuseipdb_apikey="", abuseipdb_category="18,22"] actionban = curl --fail --ciphers ecdhe_ecdsa_aes_256_sha --data 'key=<abuseipdb_apikey>' --data-urlencode 'comment=<matches>' --data 'ip=<ip>' --data 'category=<abuseipdb_category>' "https://www.abuseipdb.com/report/json"
• Nov 23, 2021 •LeifMessinger
#!/bin/bash #Makes a directory ./monkeys and puts every single bored bored ape yacht club monkey in there #Leif Messinger let OFFSET=0 let BATCHSIZE=50 let LIMIT=100 mkdir monkeys function parseResults(){ sed 'y/,/\n/' | sed -e '/storage.opensea/d' -e '/https:\/\/lh3.googleusercontent.com\/Ju9CkWtV-1Okvf45wo8UctR-M9He2PjILP0oOvxE89AyiPPGtrR3gysu1Zgy0hjd2xKIgjJJtWIc0ybj4Vd7wv8t3pxDGHoJBzDB=s120/d' | egrep '"image_url":"(.*)"' | tr -d '\"' | sed 's/image_url://' } function downloadMonkeys(){ while read -r line; do name=`echo "$line" | sed 's/https:\/\/lh3.googleusercontent.com\///'` wget -q -O "./monkeys/$name.png" "$line" & done } function queryMonkeys(){ let progress=($OFFSET*100)/$LIMIT echo "Progress: $progress%" result=`curl -s --request GET --url "https://api.opensea.io/api/v1/assets?order_direction=desc&offset=$OFFSET&limit=$BATCHSIZE&collection=boredapeyachtclub"` if [[ "$result" =~ "Request was throttled" ]] || [ "$result" == "" ]; then #Retry download sleep 10 else #Download Monkeys echo "$result" | parseResults | downloadMonkeys let OFFSET+=$BATCHSIZE fi #If not out of bounds, recurse if [ "$OFFSET" -lt "$LIMIT" ] || [[ "$result" =~ '"assets":[]' ]]; then queryMonkeys fi } echo "Downloading your monkeys into ./monkeys asynchronously." queryMonkeys
• 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"