From ea6d3e58a5726729b57a6fda0c39b6772fbf0001 Mon Sep 17 00:00:00 2001
From: Alexander Popov <iiiypuk@fastmail.fm>
Date: Fri, 8 Apr 2022 17:34:07 +0300
Subject: [PATCH] add first Crystal snipplet

---
 README.md                     | 1 +
 ~/Crystal/README.md           | 4 ++++
 ~/Crystal/value_from_match.cr | 8 ++++++++
 3 files changed, 13 insertions(+)
 create mode 100644 ~/Crystal/README.md
 create mode 100644 ~/Crystal/value_from_match.cr

diff --git a/README.md b/README.md
index 8c486bb..cb969ba 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 * [HTML](~/HTML/)
 * [CSS](~/CSS/)
 * [HTTP](~/HTTP/)
+* [Crystal](~/Crystal/)
 * [PHP](~/PHP/)
 * [JavaScript](~/JavaScript/)
 * [nginx](~/nginx/)
diff --git a/~/Crystal/README.md b/~/Crystal/README.md
new file mode 100644
index 0000000..45f4db8
--- /dev/null
+++ b/~/Crystal/README.md
@@ -0,0 +1,4 @@
+# Crystal
+
+## std
+- [Значение из Regex::MatchData](value_from_match.cr) - Получить значение из `Regex::MatchData("Happy")`
diff --git a/~/Crystal/value_from_match.cr b/~/Crystal/value_from_match.cr
new file mode 100644
index 0000000..ce6cd20
--- /dev/null
+++ b/~/Crystal/value_from_match.cr
@@ -0,0 +1,8 @@
+test_string_1 = "rw------- (0o600)"
+# test_string_2 = "rwx------ (0o700)"
+
+if /\d{3}/.match(test_string_1).try &.[0] != "600"
+  puts "Password file permissions is not RW for you.".colorize(:red)
+
+  exit(0)
+end