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#!/bin/bash -norc
# Public domain notice for all NCBI EDirect scripts is located at:
# https://www.ncbi.nlm.nih.gov/books/NBK179288/#chapter6.Public_Domain_Notice
abbrev=( Ala Asx Cys Asp Glu Phe Gly His Ile \
Xle Lys Leu Met Asn Pyl Pro Gln Arg \
Ser Thr Sec Val Trp Xxx Tyr Glx )
AminoAcidComp() {
local count
while read num lttr
do
idx=$(printf %i "'$lttr'")
ofs=$((idx-97))
count[$ofs]="$num"
done <<< "$1"
for i in {0..25}
do
echo -e "${abbrev[$i]}\t${count[$i]-0}"
done |
sort
}
while read seq
do
comp="$(echo "$seq" | tr A-Z a-z | sed 's/[^a-z]//g' | fold -w 1 | sort-uniq-count)"
AminoAcidComp "$comp"
done
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