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Substring in shell script

How to print substring in bash script

INPUT='someletters_12345_moreleters.ext'
SUBSTRING=$(echo $INPUT| cut -d'_' -f 2)
echo $SUBSTRING

1

Source: stackoverflow.com

Substring in shell script

STR="birthday-091216-pics"
SUBSTR=$(echo $STR | cut -d'-' -f 2)
echo $SUBSTR

1

Source: stackabuse.com

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