Contents

declare -A trans
trans[G]='C'
trans[C]='G'
trans[A]='U'
trans[T]='A'

for i in $(seq 1 ${#1}); do
  nt="${1:$i-1:1}"
  comp_nt="${trans[$nt]}"

  if [ -z "$comp_nt" ]; then
    echo 'Invalid nucleotide detected.'
    exit 1
  fi

  complement="$complement$comp_nt"
done

echo $complement

Version data entries

300 entries across 300 versions & 1 rubygems

Version	Path
trackler-2.2.1.22	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.21	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.20	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.19	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.18	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.17	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.16	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.15	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.14	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.13	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.12	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.11	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.10	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.9	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.8	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.7	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.6	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.5	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.4	tracks/bash/exercises/rna-transcription/example.sh
trackler-2.2.1.3	tracks/bash/exercises/rna-transcription/example.sh