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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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