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Script parse file

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# 1  
Script parse file

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1. The problem statement, all variables and given/known data:

Hi all, I need help for a script that pulls out a series of numbers from a file (attached file) Basically I need a parse to file and write only in a generic variable (serial) : 9d424312

2. Relevant commands, code, scripts, algorithms:
unix shell scripting


3. The attempts at a solution (include all code and scripts):

Code:
{ s=$(<aid.conf);} 2>/dev/null while IFS= read str ; do               IFS= read -ra ADDR <<< "$str"    for i in "${ADDR[@]}"; do        echo $i    done    done <<< "$s"

Linux Debian 9.3
nome script: try.sh

4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):

homework project (read tag NFC)
# 2  
Hi there is not input file specified. Please post a relevant sample.

That being said,
Code:
IFS= read -ra ADDR <<< "$str"

means that there is always exactly one array element in array ADDR, since you set the field separator to the empty string.
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