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#!/bin/bash#Leif Messinger lsm0147#credit.sh FILEScred="Leif Messinger lsm0147"for bruh; doif [[ $bruh =~ \.cpp|\.c|\.java|\.js ]]; thencomment="//$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"fiif [ -s $bruh ]; then#If the file has a shebangif egrep -q '^#!/' $bruh; thensed -i "/^\#!\//a$comment" $bruhelsesed -i "1i$comment" $bruhfielseecho "$comment" > $bruhfidone
# Update all npm packages under the scope defined by the PREFIX variable ("foo").PREFIX="foo"; npm ls | grep "$PREFIX" | awk -F/ '{print $NF}' | sed 's/@.*//' | xargs -I package npm update @"$PREFIX"/package
# Three ways of checking if a file exists in a shell scriptFILE=/etc/resolv.confif test -f "$FILE"; thenecho "$FILE exists."fiif [ -f "$FILE" ]; thenecho "$FILE exists."fiif [[ -f "$FILE" ]]; thenecho "$FILE exists."fi
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"
echo -e ${PATH//:/\\n} | awk '{print length, $0}' | sort -n | cut -f2- -d' '
#!/bin/bashgit statusecho "Do you want to add all changed files?"select yn in "Yes" "No"; docase $yn inYes ) break;;No ) exit 1;;esacdonegit add -ugit statusecho "Does this look right?"select yn in "Yes" "No"; docase $yn inYes ) break;;No ) exit 2;;esacdonegit commitecho "Do you want to push?"select yn in "Yes" "No"; docase $yn inYes ) break;;No ) exit 2;;esacdonegit push