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Ubuntu install NPM

| March 16, 2013 | 0 Comments
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To install npm in one command, here:

curl https://npmjs.org/install.sh | sudo sh

Now the url address is https://npmjs.org/install.sh ( http://npmjs.org/install.sh before). If you use
curl http://npmjs.org/install.sh | sh and you may see :sh: 2: Syntax error: newline unexpected.

install.sh

#!/bin/sh

# A word about this shell script:
#
# It must work everywhere, including on systems that lack
# a /bin/bash, map 'sh' to ksh, ksh97, bash, ash, or zsh,
# and potentially have either a posix shell or bourne
# shell living at /bin/sh.
#
# See this helpful document on writing portable shell scripts:
# http://www.gnu.org/s/hello/manual/autoconf/Portable-Shell.html
#
# The only shell it won't ever work on is cmd.exe.

if [ "x$0" = "xsh" ]; then
# run as curl | sh
# on some systems, you can just do cat>npm-install.sh
# which is a bit cuter. But on others, &1 is already closed,
# so catting to another script file won't do anything.
curl -s https://npmjs.org/install.sh > npm-install-$$.sh
sh npm-install-$$.sh
ret=$?
rm npm-install-$$.sh
exit $ret
fi

# See what "npm_config_*" things there are in the env,
# and make them permanent.
# If this fails, it's not such a big deal.
configures="`env | grep 'npm_config_' | sed -e 's|^npm_config_||g'`"

npm_config_loglevel="error"
if [ "x$npm_debug" = "x" ]; then
(exit 0)
else
echo "Running in debug mode."
echo "Note that this requires bash or zsh."
set -o xtrace
set -o pipefail
npm_config_loglevel="verbose"
fi
export npm_config_loglevel

# make sure that node exists
node=`which node 2>&1`
ret=$?
if [ $ret -eq 0 ] && [ -x "$node" ]; then
(exit 0)
else
echo "npm cannot be installed without NodeJS." >&2
echo "Install node first, and then try again." >&2
echo "" >&2
echo "Maybe node is installed, but not in the PATH?" >&2
echo "Note that running as sudo can change envs." >&2
echo ""
echo "PATH=$PATH" >&2
exit $ret
fi

# set the temp dir
TMP="${TMPDIR}"
if [ "x$TMP" = "x" ]; then
TMP="/tmp"
fi
TMP="${TMP}/npm.$$"
rm -rf "$TMP" || true
mkdir "$TMP"
if [ $? -ne 0 ]; then
echo "failed to mkdir $TMP" >&2
exit 1
fi

BACK="$PWD"

ret=0
tar="${TAR}"
if [ -z "$tar" ]; then
tar="${npm_config_tar}"
fi
if [ -z "$tar" ]; then
tar=`which tar 2>&1`
ret=$?
fi

if [ $ret -eq 0 ] && [ -x "$tar" ]; then
echo "tar=$tar"
echo "version:"
$tar --version
ret=$?
fi

if [ $ret -eq 0 ]; then
(exit 0)
else
echo "No suitable tar program found."
exit 1
fi

# Try to find a suitable make
# If the MAKE environment var is set, use that.
# otherwise, try to find gmake, and then make.
# If no make is found, then just execute the necessary commands.

# XXX For some reason, make is building all the docs every time. This
# is an annoying source of bugs. Figure out why this happens.
MAKE=NOMAKE

if [ "x$MAKE" = "x" ]; then
make=`which gmake 2>&1`
if [ $? -eq 0 ] && [ -x $make ]; then
(exit 0)
else
make=`which make 2>&1`
if [ $? -eq 0 ] && [ -x $make ]; then
(exit 0)
else
make=NOMAKE
fi
fi
else
make="$MAKE"
fi

if [ -x "$make" ]; then
(exit 0)
else
# echo "Installing without make. This may fail." >&2
make=NOMAKE
fi

# If there's no bash, then don't even try to clean
if [ -x "/bin/bash" ]; then
(exit 0)
else
clean="no"
fi

node_version=`"$node" --version 2>&1`
ret=$?
if [ $ret -ne 0 ]; then
echo "You need node to run this program." >&2
echo "node --version reports: $node_version" >&2
echo "with exit code = $ret" >&2
echo "Please install node before continuing." >&2
exit $ret
fi

t="${npm_install}"
if [ -z "$t" ]; then
# switch based on node version.
# note that we can only use strict sh-compatible patterns here.
case $node_version in
0.[0123].* | v0.[0123].*)
echo "You are using an outdated and unsupported version of" >&2
echo "node ($node_version). Please update node and try again." >&2
exit 99
;;
v0.[45].* | 0.[45].*)
echo "install npm@1.0"
t=1.0
;;
v0.[678].* | 0.[678].*)
echo "install npm@1.1"
t=1.1
;;
*)
echo "install npm@latest"
t="latest"
;;
esac
fi

# the npmca cert
cacert='
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
'

echo "$cacert" > "$TMP/cafile.crt"
cacert="$TMP/cafile.crt"

# need to echo "" after, because Posix sed doesn't treat EOF
# as an implied end of line.
url=`(curl -SsL --cacert "$cacert" https://registry.npmjs.org/npm/$t; echo "") \
| sed -e 's/^.*tarball":"//' \
| sed -e 's/".*$//'`

ret=$?
if [ "x$url" = "x" ]; then
ret=125
# try without the -e arg to sed.
url=`(curl -SsL --cacert "$cacert" https://registry.npmjs.org/npm/$t; echo "") \
| sed 's/^.*tarball":"//' \
| sed 's/".*$//'`
ret=$?
if [ "x$url" = "x" ]; then
ret=125
fi
fi
if [ $ret -ne 0 ]; then
echo "Failed to get tarball url for npm/$t" >&2
exit $ret
fi

echo "fetching: $url" >&2

cd "$TMP" \
&& curl -SsL --cacert "$cacert" "$url" \
| $tar -xzf - \
&& rm "$cacert" \
&& cd "$TMP"/* \
&& (req=`"$node" bin/read-package-json.js package.json engines.node`
if [ -d node_modules ]; then
"$node" node_modules/semver/bin/semver -v "$node_version" -r "$req"
ret=$?
else
"$node" bin/semver.js -v "$node_version" -r "$req"
ret=$?
fi
if [ $ret -ne 0 ]; then
echo "You need node $req to run this program." >&2
echo "node --version reports: $node_version" >&2
echo "Please upgrade node before continuing." >&2
exit $ret
fi) \
&& (ver=`"$node" bin/read-package-json.js package.json version`
isnpm10=0
if [ $ret -eq 0 ]; then
req=`"$node" bin/read-package-json.js package.json engines.node`
if [ -d node_modules ]; then
if "$node" node_modules/semver/bin/semver -v "$ver" -r "1"
then
isnpm10=1
fi
else
if "$node" bin/semver -v "$ver" -r ">=1.0"; then
isnpm10=1
fi
fi
fi

ret=0
if [ $isnpm10 -eq 1 ] && [ -f "scripts/clean-old.sh" ]; then
if [ "x$skipclean" = "x" ]; then
(exit 0)
else
clean=no
fi
if [ "x$clean" = "xno" ] \
|| [ "x$clean" = "xn" ]; then
echo "Skipping 0.x cruft clean" >&2
ret=0
elif [ "x$clean" = "xy" ] || [ "x$clean" = "xyes" ]; then
NODE="$node" /bin/bash "scripts/clean-old.sh" "-y"
ret=$?
else
NODE="$node" /bin/bash "scripts/clean-old.sh" &2
exit $ret
fi) \
&& (if [ "x$configures" = "x" ]; then
(exit 0)
else
echo "./configure "$configures
echo "$configures" > npmrc
fi) \
&& (if [ "$make" = "NOMAKE" ]; then
(exit 0)
elif "$make" uninstall install; then
(exit 0)
else
make="NOMAKE"
fi
if [ "$make" = "NOMAKE" ]; then
"$node" cli.js rm npm -gf
"$node" cli.js install -gf
fi) \
&& cd "$BACK" \
&& rm -rf "$TMP" \
&& echo "It worked"

ret=$?
if [ $ret -ne 0 ]; then
echo "It failed" >&2
fi
exit $ret
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About the Author ()

My name is John Link.I am 26 years old. My major is Computer science and technology. I am a junior programmer with Python.

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