From aaa54a0e2aa19cb531fa79c0365af442d25f9d6d Mon Sep 17 00:00:00 2001
From: Dmitry Badovsky <dbadovsky@gmail.com>
Date: Fri, 24 Oct 2025 13:14:41 +0000
Subject: [PATCH] Update vmcreate1.sh

---
 vmcreate1.sh | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/vmcreate1.sh b/vmcreate1.sh
index 0c73135..daff120 100644
--- a/vmcreate1.sh
+++ b/vmcreate1.sh
@@ -12,16 +12,33 @@ show_help()
 
 make_file (){
 if [ $# -eq 0 ] then
-  do touch hosts.tmp
+    touch hosts.tmp
     for arg in "$@"; do
         ipcheck "$arg"
         if [ $? -eq 0 ] then
             echo -n "$arg " >> ./hosts.tmp
         echo $arg | cut -d '.' -f 3,4 | sed 's/\.//' >> hosts.tmp
+        done
+    fi
 }
 
-ip_check (){
-
+function ip_check() {
+    # Функция написана гуглом
+    local ip=$1
+    local stat=1
+    oldIFS=$IFS
+    # Check if the IP matches the general IPv4 pattern
+    if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
+        # Split the IP into octets
+        IFS='.' read -r -a octets <<< "$ip"
+        # Check if each octet is within the valid range (0-255)
+        if [[ ${octets[0]} -le 255 && ${octets[1]} -le 255 \
+              && ${octets[2]} -le 255 && ${octets[3]} -le 255 ]]; then
+            stat=0
+        fi
+    fi
+    return $stat
+    IFS=$oldIFS
 }
 
 hostame_generate(){