training/nf-training/hello.nf at master · NahkuriR/training

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#!/usr/bin/env nextflow

params.greeting = 'Hello world!'

greeting_ch = Channel.of(params.greeting)

process SPLITLETTERS {

input:

val x

output:

path 'chunk_*'

script:

"""

printf '$x' | split -b 6 - chunk_

"""

}

process CONVERTTOUPPER {

input:

path y

output:

stdout

script:

"""

cat $y | tr '[a-z]' '[A-Z]'

"""

}

workflow {

letters_ch = SPLITLETTERS(greeting_ch)

results_ch = CONVERTTOUPPER(letters_ch.flatten())

results_ch.view{ it }

}