Read file line loop in bash Code Example - Coding

for each line in file bash

while read p; do
  echo "$p"
done <peptides.txt

bash read a file line by line

#!/bin/bash
input="/path/to/txt/file"
while IFS= read -r line
do
  echo "$line"
done < "$input"

read file line loop in bash

for word in $(cat peptides.txt); do echo $word; done

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