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Outputs list of $PATH dirs sorted by line length

Nov 18, 2022AustinLeath
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LeetCode #192: Word Frequency

Oct 15, 2022CodeCatch

0 likes • 136 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

cppToStdout.sh

Nov 17, 2021LeifMessinger

0 likes • 6 views

#!/bin/bash
#Takes command line arguments and pulls the header files.
#Good for checking if the function you want is in the header or not.
#cppToStdout.sh "time.h"
while [ "$1" != "" ]; do
echo "#include<$1>" | g++ -x c++ -E -
shift
done

mitosis.sh

Apr 3, 2025LeifMessinger

0 likes • 4 views

#!/usr/bin/env bash
#Splits a command across a number of CELL machines
user=$(whoami)
if [[ -z $user ]]; then
echo "whoami failed. Exiting..."
exit 1
fi
command="$1"
if [[ -z $command ]]; then
echo "Need to put in a command."
exit 1
fi
shift
array=("$@")
let start=8
let stop=18
for ((i = $start; i <= $stop; i++)); do
extraZero=$(if [[ "$i" -lt 10 ]]; then echo "0"; fi)
domain="CELL${extraZero}${i}-CSE.ENG.UNT.EDU"
let "index = i - start"
echo ${#array[@]}
if [[ ${#array[@]} != 0 ]] && [[ $index -ge ${#array[@]} ]]; then
echo "$index > ${#array[@]}"
break
fi
ssh -o StrictHostKeyChecking=accept-new "${user}@${domain}" -t "$command ${array[$index]}" &
done

pinger.sh

Mar 21, 2021LeifMessinger

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#pinger.sh by Leif Messinger
#./pinger.sh [ADDRESS] to search
#./pinger.sh [ADDRESS] & to search in the background
#https://serverfault.com/a/42382
ping_cancelled=false # Keep track of whether the loop was cancelled, or succeeded
until ping -c1 "$1" >/dev/null 2>&1; do :; done & # The "&" backgrounds it
trap "kill $!; ping_cancelled=true" SIGINT
wait $! # Wait for the loop to exit, one way or another
trap - SIGINT # Remove the trap, now we're done with it
if [ "$ping_cancelled" == true ] #https://stackoverflow.com/a/21210966/10141528
then
printf "The pinger for $1 just closed bro.\n"
else
printf "$1 IS UP BROOO\a\n"
fi

githubSetSSH.sh

Sep 9, 2023LeifMessinger

0 likes • 3 views

#!/bin/bash
#Changes the remote url from https to ssh.
#Only works for github, because I'd have to store a dictionary of every https to ssh url otherwise.
#Made using Bing Chat
# Get the remote URL from the console
REPO_URL=$(git config --get remote.origin.url)
# Check that REPO_URL contains https://github.com
if [[ $REPO_URL == *"https://github.com"* ]]; then
# Replace https with ssh in the URL
REPO_URL=${REPO_URL/https:\/\/github.com\//[email protected]:}
# Change the remote URL to the SSH version
git remote set-url origin "$REPO_URL"
else
echo "Error: REPO_URL does not contain https://github.com" >&2
exit 1
fi

NPM Workspaces Commands

Aug 16, 2023C S

0 likes • 6 views

# Run "test" script on all packages
npm run test --workspaces
# Tip - this also works:
npm run test -ws
----------------------------------------------------
# Runs "test" only on package-a
npm 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 dependency
npm install tap --workspace package-b --save-dev
# Install `package-a` on `package-b`
npm install package-a --workspace package-b
# Install `eslint` in all packages
npm install eslint --workspaces