# 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

// 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

#!/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

#!/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

#!/bin/bash
#makefileMaker.sh by Leif Messinger
#Needs getDependencies.sh

CC="gcc"
#I have no idea why it's called CXX when it's a c++ compiler
#I know that cpp is c pre processor, but still, why X?
CXX="g++"

CXXFLAGS="-std=c++17 -O2"
#CFLAGS="-std=c17"
LIBRARIES="$@"
#Vulkan Flags for me
#LIBRARIES="-lglfw -lvulkan -ldl -lpthread -lX11 -lXxf86vm -lXrandr -lXi"

function compileAllFiles(){
	#output: bruh.o yeet.o
	#	CXX $CXXFLAGS bruh.o yeet.o -o output $LIBRARIES
	echo -n "output:"
	if compgen -G "*.cpp" &> /dev/null; then
		for f in *.cpp; do
			echo -n " ${f%.cpp}.o"
		done
	fi
	if compgen -G "*.c" &> /dev/null; then
		for f in *.c; do
			echo -n " ${f%.c}.o"
		done
	fi
	echo ""

	if compgen -G "*.cpp" &> /dev/null; then
		echo -e -n "\t$CXX $CXXFLAGS "
	else
		echo -e -n "\t$CC $CFLAGS "
	fi
	if compgen -G "*.cpp" &> /dev/null; then
		for f in *.cpp; do
			echo -n " ${f%.cpp}.o"
		done
	fi
	if compgen -G "*.c" &> /dev/null; then
		for f in *.c; do
			echo -n " ${f%.c}.o"
		done
	fi
	echo " -o output $LIBRARIES"
	echo ""
}

function compileAllObjectFiles(){
	#bruh.o: bruh.cpp yeet.h
	#	CXX $CXXFLAGS -c bruh.cpp $LIBRARIES
	if compgen -G "*.cpp" &> /dev/null; then
		for f in *.cpp; do
			echo -n "${f%.cpp}.o: $f"
			getDependencies.sh < $f
			echo ""

			echo -e "\t$CXX $CXXFLAGS -c $f"
			echo ""
		done
	fi
	#yeet.o: yeet.c
	#	CC $CFLAGS -c yeet.c $LIBRARIES
	if compgen -G "*.c" &> /dev/null; then
		for f in *.c; do
			echo -n "${f%.c}.o: $f"
			getDependencies.sh < $f
			echo ""

			echo -e "\t$CC $CFLAGS -c $f"
			echo ""
		done
	fi
}

compileAllFiles

compileAllObjectFiles

#does not work on windows
echo "clean:"
echo -e "\trm -f -v *.o output"
echo ""

echo "run:"
echo -e "\t./output"
echo ""

echo "debug:"
if compgen -G "*.cpp" &> /dev/null; then
	echo -e -n "\t$CXX $CXXFLAGS -g "
else
	echo -e -n "\t$CC $CFLAGS -g "
fi
if compgen -G "*.cpp" &> /dev/null; then
	for f in *.cpp; do
		echo -n " ${f}"
	done
fi
if compgen -G "*.c" &> /dev/null; then
	for f in *.c; do
		echo -n " ${f}"
	done
fi
echo " $LIBRARIES -o output"
echo ""

echo -e ${PATH//:/\\n} | awk '{print length, $0}' | sort -n | cut -f2- -d' '