From d678bfd90f483ca9d000c267ee9f883de89feeaf Mon Sep 17 00:00:00 2001
From: Jan Sucan <jan@jansucan.com>
Date: Sun, 18 Jun 2023 18:06:19 +0200
Subject: 8_b_2: Add solution

---
 ch08/8_b_2.txt | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 ch08/8_b_2.txt

(limited to 'ch08/8_b_2.txt')

diff --git a/ch08/8_b_2.txt b/ch08/8_b_2.txt
new file mode 100644
index 0000000..6af6518
--- /dev/null
+++ b/ch08/8_b_2.txt
@@ -0,0 +1,19 @@
+-- If you're on a Unix-like system, look through the documentation for the
+-- System.Posix.Files module, and see if you can find a replacement for the
+-- doesNameExist function.
+
+-- The replacement is the fileExist function that checks for existence of both
+-- regular file and directories.
+
+ghci> :module + System.Posix.Files
+
+ghci> fileExist "nonexistent_file"
+False
+
+-- Regular file
+ghci> fileExist "8_b_2.txt"
+True
+
+-- Directory
+ghci> fileExist "../ch08/"
+True
-- 
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