Created
July 5, 2020 17:29
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# these can all be npm scripts, but anything can be an npm script | |
# a | |
echo $(cat ./package.json | grep version | head -1 | awk -F: '{ print $2 }' | sed 's/[",]//g' | tr -d '[[:space:]]') | |
# b | |
echo $(cat ./package.json | grep version | head -1 | awk -F= "{ print $2 }" | sed -E 's/(version)|[:,\",]//g' | tr -d '[[:space:]]') | |
# c | |
echo $(node --eval="process.stdout.write(require('./package.json').version)") | |
# d | |
node -pe "require('./package.json').version" | |
# e | |
jq -r .version ./package.json | |
# f | |
npm run version --silent # add version run-script to scripts: ' "version": "echo $npm_package_version" ' # also could access $npm_package_version any other way | |
# g not clean | |
npm version | |
# if published package, to check published package | |
# h | |
npm view . version | |
# i | |
npm show . version | |
# j | |
awk -F\" '/"version":/ {print $4}' package.json | |
# k | |
npx -c 'echo "$npm_package_version"' | |
# l | |
perl -ne 'print "$1\n" if /"version":\s*"(.*?)"/' package.json | |
# m | |
awk '/version/{gsub(/("|",)/,"",$2);print $2}' package.json | |
# n | |
sed -nr 's/^\s*\"version": "([0-9]{1,}\.[0-9]{1,}.*)",$/\1/p' package.json | |
#--- | |
# npm package example, others exist | |
npm i -g json | |
# o (requires "npm i -g json") | |
json version -a < package.json | |
# p (requires "npm i -g json") | |
json dependencies -a < package.json | grep : | sed 's/^ *//;s/"//g;s/: /@/;s/,$//' | |
# q (requires "npm i -g json") | |
json dependencies -a < package.json | grep : | sed 's/[",]//g;s/: /@/;s/,$//' | |
# r (requires "npm i -g json") | |
json devDependencies -a < package.json | grep : | sed 's/^ *//;s/"//g;s/: /@/;s/,$//' | |
# s (requires "npm i -g json") | |
json devDependencies -a < package.json | grep : | sed 's/[",]//g;s/: /@/;s/,$//' | |
#--- |
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