"sort -R" command not POSIX, added "shuf" and "cat" as fallback

2021-08-12 15:14:31 +02:00
parent 3e942bf4ac
commit 14bf197be1
1 changed files with 2 additions and 1 deletions
@@ -42,7 +42,8 @@ INTRUDER()
 {
 NUMBERS=$(echo "$INPUT" | grep -o . | tr '\n' ' ')
 SORTED_UNIQ_NUM=$(echo "${NUMBERS[@]}" | sort -u | tr '\n' ' ')
-RANDOM_DIGITS=$(echo 123456789 | grep -o . | sort -R | tr '\n' ' ')
+SORT_RANDOM_CMD="$( ( echo x|sort -R >&/dev/null && echo "sort -R" ) || ( echo x|shuf >&/dev/null && echo shuf ) || echo cat)"
+RANDOM_DIGITS=$(echo 123456789 | grep -o . | eval "$SORT_RANDOM_CMD" | tr '\n' ' ')
 INTRUDER=-1

 for i in $RANDOM_DIGITS