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-rw-r--r--entries/braxtonhall/wc/fib.sh16
1 files changed, 10 insertions, 6 deletions
diff --git a/entries/braxtonhall/wc/fib.sh b/entries/braxtonhall/wc/fib.sh
index c909617..fc419b3 100644
--- a/entries/braxtonhall/wc/fib.sh
+++ b/entries/braxtonhall/wc/fib.sh
@@ -1,18 +1,22 @@
#!/bin/bash
-rec () {
- shopt -s nullglob dotglob
+function rec () {
if [ $2 == "0" ]; then
:
elif [ $2 == "1" ]; then
- echo "🥵" > "$1/$2.fib"
+ [ -f "$1/$2.fib" ] || echo "🥵" > "$1/$2.fib"
else
- mkdir "$1/$2"
+ [ -d "$1/$2" ] || mkdir "$1/$2"
rec "$1/$2" $(($2 - 1))
rec "$1/$2" $(($2 - 2))
fi
}
-rec $(pwd) $1
-find $(pwd)/$1 -type f | wc -l
+if [[ $1 =~ ^[0-9]+$ ]]; then
+ rec $(pwd) $1
+ find $(pwd)/$1 -type f | wc -l
+else
+ echo "Please provide a natural number!"
+ exit 1
+fi