get file extension bash code example

Example 1: extract file extension bash

FILE="/path/to/file.extension" 
echo "$FILE" | rev | cut -d '.' -f 1 | rev

Example 2: bash find files with extension

# syntax
find  -name '.'

# example 
find /export/home/jacquesk -name '*.txt'

# This will search in folder-path (including subdirectories) 
# of "/export/home/jacquesk", and will show any files 
# that end in '.txt'

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