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.DS_Store |
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# ONT Running Scripts | ||
This is a repository of scripts associated with 'running' / 'analysing data of' the Oxford Nanopore MinION. | ||
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I have written a total of six scripts (here to be praised and criticized). | ||
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Provided below are details and examples of usage of the scripts. | ||
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## fast5-transfer-realtime.py | ||
Throughput from the MinION is rapidly increasing. Therefore it is often important to move the data off to a server, prior to doing any subsequent analysis of the data. | ||
This script is to be run from a computer that can see both the server and the laptop that is running the MinION (this can often be the laptop). | ||
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The script will continue to search for fast5 files until no more fast5 files are found after 800 seconds. This parameter can be adjusted with the watch option. This will last the entire 48 hours for a high quality run. | ||
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#### Dependencies: | ||
If you're on Windows, I would recommend using Cygwin to run these commands. | ||
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#### Example | ||
`fast5-transfer-realtime.py --run_name e_coli_R9` | ||
`--reads_directory C:/data/reads --server_directory Z:/` | ||
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#### Output | ||
A folder is created within the server directory called YYYY\_MM\_DD\_\<RUN\_NAME> | ||
For subsequent scripts this is often referred to as the 'run_directory'. Inside this directory another folder called dump is created. This is where the fast5 files are placed. | ||
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#### Future options | ||
I hope to add ssh and ftp options to this command in the near future. | ||
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## Nanonet-realtime | ||
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Depending on your default modification settings, it may be that the files in the dump directory are not writable. Although it is possible to fiddle and tinker with these settings, it is a safe options to keep these files here as a back-up. Nanonet-realtime copies these files into a folder called 'reads' which is also a sub-directory of the run_directory. Prior to doing so it places these reads into a tmp directory, performs a 1D nanonet analysis on these reads, exported to a fasta file. The fasta file is placed in the fasta folder (a sub-directory of the run\_directory or working\_directory) with the follwing naming convention \<RUN\_NAME>\_1D\_\<postix_time>.fa | ||
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If you are already in the run\_directory when executing this script, the only variable you need is the --run\_name. | ||
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#### Dependencies | ||
Nanonet (from ONT) | ||
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#### Examples | ||
`nanonet-realtime.py --run_name e_coli_R9 --working_directory /data/2016_09_13_e_coli_R9` | ||
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#### Output | ||
Multiple fasta files are created within the fasta directory. Files are moved to the reads directory. | ||
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#### Future options | ||
Yet to think of anything... | ||
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## Metrichor-cli-wrapper.py | ||
The metrichor-cli can be very intimidating. Prior to running this script I would recommend running metrichor-cli-configuredependencies.sh. If you have run the configure dependencies script in the past you will still need to run the metrichor-cli-setpaths.sh script everytime you log into the server. You may add this script to your .bash_profile, however I cannot then guarantee that it won't interfere with other programs you may run in the future. | ||
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The metrichor-cli-wrapper requires two arguments, the run\_directory or working\_directory and the type of workflow you wish to run (I haven't included all of these but typing in metrichor-cli --list will indicate all the numbers and you can update my dictionary within the script). | ||
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A log file will be exported to \<run\_directory>\_log. If you do not specify the reads directory, it will assume the reads exist in \<run_directory>\_reads. | ||
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The reads will be returned into reads/downloads. You cannot change this. | ||
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#### Dependencies | ||
Open up the configure-dependencies script to view what you will need. I had great difficulty | ||
installing the hdf5 modules without root permissions and have done my best to replicate what I did to get it to work. You will also need a gcc compiler of 4.9 or greater. | ||
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#### Example | ||
`metrichor-cli-wrapper.py --working_directory /data/2016_09_13_e_coli_R9 --workflow 2D_Basecalling` | ||
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#### Future options | ||
Diagnosing bugs within the metrichor code or installation scripts. | ||
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## Onecodex-realtime.py | ||
Onecodex is an online metagenomic profiler using a k-mer based exact alignment tool, | ||
(maybe Kraken?). | ||
This script using the Onecodex search tool to obtain tax\_ids for a sample. The script takes the fasta files within the fasta directory (that have been generated by nanonet) and uploads them to onecodex. Output is a tab-delimited file read_name \<tab> tax_id. | ||
Due to stringent alignment required and the inaccuracy of 1D fasta files the alignment rate is still quite poor. As of September 2016, onecodex does not have any limits on using their search tool for research purposes. | ||
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#### Dependencies | ||
Python libraries: Biopython, requests and json. | ||
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#### Example | ||
`onecodex-realtime.py --run_name outbreak_sputum --run_directory /2019_09_13_pandemics` | ||
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#!/usr/bin/env python | ||
import os | ||
import shutil | ||
import time | ||
import argparse | ||
import sys | ||
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# This script is designed to transfer data from the output on the laptop produced by MinKNOW to a server. | ||
# This script will be required to be run from a computer that has access to both the laptop and the server. | ||
# Hence it is possible to run this script on the laptop concurrently with MinKNOW if it can see the server. | ||
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# CONSTANTS | ||
version = "%(prog)s 1.0" | ||
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# Configure arguments | ||
help_descriptor = "This is a script designed to remove fast5 files from a laptop onto a server." + \ | ||
"There is not currently any support for FTP or for scp commands. This script only" + \ | ||
"works in circumstances where you can map the network drive. You only need three arguments" + \ | ||
"for this command to run. 1 - Run name, 2 - Reads directory, 3 - Server directory. The reads" + \ | ||
"will then placed into a folder YYYY_MM_DD_<RUN_NAME>/dump in the server directory." | ||
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parser = argparse.ArgumentParser(description=help_descriptor) | ||
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parser.add_argument('--version', action='version', version=version) | ||
parser.add_argument("--run_name", nargs='?', dest="RUN_NAME", type=str, | ||
help="This is a required argument. What is the name of your run as they appear on the fast5 " + | ||
"files? User_Date_FlowcellID_MinIONID_sequencing_run_<RUNNAME>_5DigitBarcode_Channel_Read", | ||
required=True) | ||
parser.add_argument("--reads_directory", nargs='?', dest="READS_DIRECTORY", type=str, | ||
help="This is the directory that contains the fast5 files produced by MinKNOW.", | ||
required="True") | ||
parser.add_argument("--server_directory", nargs='?', dest="SERVER_DIRECTORY", type=str, | ||
help="This is the directory generally the parent directory of the run folder. If the run folder" + | ||
" or its subdirectory <dump> folder do not exist, they will be created.", | ||
required=True) | ||
parser.add_argument("--run_directory", nargs='?', dest="RUN_DIRECTORY", type=str, | ||
help="This is the parent folder of the dump folder. If not specified, this will become" + | ||
"<server_directory>/<run_directory>") | ||
parser.add_argument("--dump_directory", nargs='?', dest="DUMP_DIRECTORY", type=str, | ||
help="This is the folder on the server that you would like to place the fast5 file in to." + | ||
"If not specified, this becomes <run_directory>/dump") | ||
parser.add_argument("--watch", nargs='?', dest="WATCH", type=int, | ||
help="This time (seconds) allowed with no new fast5 files" + | ||
"entering the reads folder before exiting the script. Default set at 800") | ||
parser.add_argument("--logfile", nargs='?', dest="LOGFILE", type=str, | ||
help="This is the file that some general notes are printed to. If not specified," + | ||
"the file will be RUN_DIRECTORY/log/<run_name>.move.log") | ||
args = parser.parse_args() | ||
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# Assign inputs | ||
RUN_NAME = args.RUN_NAME | ||
READS_DIRECTORY = args.READS_DIRECTORY | ||
SERVER_DIRECTORY = args.SERVER_DIRECTORY | ||
RUN_DIRECTORY = args.RUN_DIRECTORY | ||
DUMP_DIRECTORY = args.DUMP_DIRECTORY | ||
WATCH = args.WATCH | ||
LOGFILE = args.LOGFILE | ||
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# Defaults | ||
WATCH_DEFAULT = 800 | ||
INVALID_SYMBOLS = "~`!@#$%^&*()-+={}[]:>;',</?*-+" | ||
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# Set the time | ||
initial_date_suffix = time.strftime("%Y-%m-%d-%H-%M-%S") | ||
date = time.strftime("%Y_%m_%d") | ||
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# Does the RUN_NAME contain any 'bad' characters. | ||
for s in RUN_NAME: | ||
if s in INVALID_SYMBOLS: | ||
error_message = "Error, invalid character in filename. Cannot have any of the following characters %s" \ | ||
% INVALID_SYMBOLS | ||
sys.exit(error_message) | ||
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# Checking to ensure that the reads directory exists | ||
if not os.path.isdir(READS_DIRECTORY): | ||
error_message = "Error: cannot locate or find reads directory %s" % READS_DIRECTORY | ||
sys.exit(error_message) | ||
READS_DIRECTORY = os.path.abspath(READS_DIRECTORY) + "/" | ||
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# Checking to ensure that the server directory exists | ||
if not os.path.isdir(SERVER_DIRECTORY): | ||
error_message = "Error: cannot locate or find server directory %s" % SERVER_DIRECTORY | ||
sys.exit(error_message) | ||
SERVER_DIRECTORY = os.path.abspath(SERVER_DIRECTORY) + "/" | ||
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# Checking to ensure that the run directory exists. | ||
if RUN_DIRECTORY: | ||
if not os.path.isdir(RUN_DIRECTORY): | ||
error_message = "Error: run directory specified but does not exist %s" % RUN_DIRECTORY | ||
sys.exit(error_message) | ||
else: | ||
RUN_DIRECTORY = SERVER_DIRECTORY + date + "_" + RUN_NAME + "/" | ||
general_message = "Run directory not specified. Using %s" % RUN_DIRECTORY | ||
print(general_message) | ||
if not os.path.isdir(RUN_DIRECTORY): | ||
os.mkdir(RUN_DIRECTORY) | ||
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# Checking to ensure that the dump directory exists. | ||
if DUMP_DIRECTORY: | ||
if not os.path.isdir(DUMP_DIRECTORY): | ||
error_message = "Error: dump directory specified but does not exist %s" % DUMP_DIRECTORY | ||
else: | ||
DUMP_DIRECTORY = RUN_DIRECTORY + "dump/" | ||
general_message = "Dump directory not defined. Using %s" % DUMP_DIRECTORY | ||
print(general_message) | ||
if not os.path.isdir(DUMP_DIRECTORY): | ||
os.mkdir(DUMP_DIRECTORY) | ||
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if not WATCH: | ||
WATCH = WATCH_DEFAULT | ||
general_message = "Watch option not defined. Using %s" % WATCH_DEFAULT | ||
print(general_message) | ||
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# Create the log file | ||
if LOGFILE: | ||
if not os.path.isfile(LOGFILE): | ||
error_message = "Log file specifed but does not exist." | ||
sys.exit(error_message) | ||
else: | ||
log_directory = RUN_DIRECTORY + "log/" | ||
if not os.path.isdir(log_directory): | ||
os.makedirs(log_directory) | ||
LOGFILE = log_directory + date + "_" + RUN_NAME + ".transfer.log" | ||
general_message = "Log file not defined, using %s" % LOGFILE | ||
print(general_message) | ||
# We now begin the process of moving reads across from the read_directory to the server directory | ||
# to prevent the computer from filling up. | ||
# We want to be careful to ensure that reads do not get moved across twice | ||
# and that only fast5 files are moved across. | ||
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logger = open(LOGFILE, 'a+') | ||
logger.write("The time is %s:\n" % time.strftime("%c")) | ||
logger.write("Commencing transfer of reads from %s to %s" % (READS_DIRECTORY, DUMP_DIRECTORY)) | ||
logger.close() | ||
start_time = time.time() | ||
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fast5_files = [] | ||
run_exhausted = False | ||
files_moved = 0 | ||
patience_counter = 0 | ||
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os.chdir(READS_DIRECTORY) | ||
os.chmod(RUN_DIRECTORY, 777) | ||
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while not run_exhausted: | ||
while len(fast5_files) == 0: | ||
# Create an array of all the fast5 files in the directory the MinION is writing to. | ||
run_string = "sequencing_run_%s" % RUN_NAME | ||
fast5_files = [fast5 for fast5 in os.listdir(READS_DIRECTORY) if fast5.endswith('.fast5') and run_string in fast5] | ||
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# Important to transfer the oldest files first. | ||
fast5_files.sort(key=lambda x: os.path.getmtime(x)) | ||
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# Did we pick anything up? | ||
if len(fast5_files) != 0: | ||
break | ||
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# Didn't pick anything up... | ||
# Have we exceeded the number of mini-sleeps? | ||
if patience_counter > WATCH: | ||
run_exhausted = True | ||
break | ||
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# No? Take a minute sleep. | ||
if patience_counter != 0: | ||
abstinence_message = "No fast5 files found in the last %d seconds.\n" % patience_counter | ||
sleeping_message = "Waiting 60 seconds, breaking in %d if no more reads created.\n" \ | ||
% (WATCH - patience_counter) | ||
logger = open(LOGFILE, 'a+') | ||
print(abstinence_message) | ||
print(sleeping_message) | ||
logger.write(abstinence_message + "\n") | ||
logger.write(sleeping_message + "\n") | ||
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time.sleep(60) | ||
patience_counter += 60 | ||
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# Out of the while loop, either fast5 files have been found or run is exhausted. | ||
patience_counter = 0 # Must be consecutive minute sleeps to exhaust the run. | ||
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# Move the files from the MinION directory to the server directory | ||
for read in fast5_files: | ||
if not os.path.isfile(DUMP_DIRECTORY + read): | ||
shutil.move(READS_DIRECTORY + read, DUMP_DIRECTORY) | ||
files_moved += 1 | ||
else: | ||
print "Warning, %s already exists in dump directory. Deleting from laptop." % read | ||
os.remove(READS_DIRECTORY + read) | ||
fast5_files = [] # To pass into the inner while loop | ||
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# Run has been exhausted | ||
end_time = time.time() | ||
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logger = open(LOGFILE, 'a+') | ||
logger.write("No fast5 files found for %d seconds\n" % WATCH) | ||
logger.write("Moved %d files\n" % files_moved) | ||
logger.write("Process completed in %d seconds.\n" % (end_time - start_time)) | ||
logger.write("Exiting\n") | ||
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#!/usr/bin/env bash | ||
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# Prior to running this script you will need to unzip the metrichor tarball into your home directory. | ||
# You will need to have installed a gcc, I've found 5.4.0 works well. | ||
# You can use easybuild to install a gcc compiler without root permissions see here: | ||
# https://github.com/hpcugent/easybuild/wiki/Step-by-step-guide | ||
# To install hdf5 check out this website here: | ||
# http://nugridstars.org/work-packages/io-technologies/hdf5-useepp-format/installing-hdf5 | ||
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# This script is designed to allow those without root permissions to install metrichor into their home-directory. | ||
current_directory=$(echo $(pwd)) | ||
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# Set versions | ||
nvm_version="5.12.0" | ||
metrichor_version="2.40.16" | ||
gcc_version="5.4.0" | ||
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# Set and export compiler flags | ||
export CXX=$HOME/.local/easybuild/software/GCC/$gcc_version/bin/g++ | ||
export CC=$HOME/.local/easybuild/software/GCC/$gcc_version/bin/gcc | ||
export LD_LIBRARY_PATH=$HOME/.local/easybuild/software/GCC/$gcc_version/lib/:$HOME/.local/easybuild/software/GCC/$gcc_version/lib64/:$LD_LIBRARY_PATH | ||
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# Set hdf5 flag | ||
HDF5_HOME=$HOME/src/hdf5/ | ||
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# Install nvm | ||
cd $HOME/nvm-master | ||
./install.sh | ||
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export NVM_DIR=$HOME/.nvm | ||
source $NVM_DIR/nvm.sh # This loads nvm | ||
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#Change to metrichor directory and install nvm and npm | ||
cd $HOME/metrichor-cli-$metrichor_version | ||
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nvm install $nvm_version | ||
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# npm needs to be installed globally, otherwise I get errors I haven't been able to fix. | ||
# export path to npm and node | ||
# export PATH=$PATH:$HOME/.nvm/versions/node/v5.12.0/bin/ | ||
npm install npm -g | ||
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npm install hdf5 -ws:verbose -g | ||
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# export path to metrichor commandline agent | ||
export PATH=$PATH:$HOME/metrichor-cli-2.40.16/bin/ | ||
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# export node path to link to hdf5 module | ||
export NODE_PATH=$HOME/.nvm/versions/node/v5.12.0/lib/node_modules/ | ||
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# change back to current directory | ||
cd $current_directory |
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#!/usr/bin/env bash | ||
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# Set versions | ||
nvm_version="5.12.0" | ||
metrichor_version="2.40.16" | ||
gcc_version="5.4.0" | ||
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# Set and export compiler flags | ||
export CXX=$HOME/.local/easybuild/software/GCC/$gcc_version/bin/g++ | ||
export CC=$HOME/.local/easybuild/software/GCC/$gcc_version/bin/gcc | ||
export LD_LIBRARY_PATH=$HOME/.local/easybuild/software/GCC/$gcc_version/lib/:$HOME/.local/easybuild/software/GCC/$gcc_version/lib64/:$LD_LIBRARY_PATH | ||
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# Set hdf5 flag | ||
HDF5_HOME=$HOME/src/hdf5/ | ||
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# Load nvm | ||
export NVM_DIR=$HOME/.nvm | ||
source $NVM_DIR/nvm.sh # This loads nvm | ||
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# source API_KEY | ||
source $HOME/.met_apikey | ||
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# export path to metrichor commandline agent | ||
export PATH=$PATH:$HOME/metrichor-cli-2.40.16/bin/ | ||
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# export node path to link to hdf5 module | ||
export NODE_PATH=$HOME/.nvm/versions/node/v${nvm_version}/lib/node_modules/:$NODE_PATH | ||
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