6 lines
163 B
Bash
Executable file
6 lines
163 B
Bash
Executable file
#!/usr/bin/bash
|
|
set -e
|
|
|
|
allowed="azertyuiopqsdfghjklmwxcvbn"
|
|
|
|
cat "$1" | tr '[:upper:]' '[:lower:]' | sed 's/\(.\)/\1\n/g' | sort | uniq | grep -v -E "[$allowed]"
|