From cc335ca6a52138dc39572f2901547c2dd700ac0f Mon Sep 17 00:00:00 2001
From: raul <raul@bulgariu.xyz>
Date: Wed, 11 Dec 2024 09:50:07 +0100
Subject: [PATCH] Add calc.sh

---
 calc.sh | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100755 calc.sh

diff --git a/calc.sh b/calc.sh
new file mode 100755
index 0000000..05a8341
--- /dev/null
+++ b/calc.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+OPERADORES_DISPONIBLES=("+" "x" "-" "/")
+VALID=false
+FINAL_SEQUENCE=""
+RE='^[0-9]+$'
+NG='^-[0-9]+$'
+
+for arg in $@; do
+  valid_num=false
+  valid_oper=false
+
+  for oper in "${OPERADORES_DISPONIBLES[@]}"; do
+    if [[ "$oper" == "$arg" ]] ; then
+      valid_oper=true
+    fi
+  done
+
+  if [[ $arg =~ $RE || $arg =~ $NG ]] ; then
+    valid_num=true
+  fi
+
+  if [[ "$valid_num" != true && "$valid_oper" != true ]] ; then
+    echo "INVALID CHARACTER DETECTED: $arg"
+    exit
+  fi
+
+  if [[ $arg == "x" ]]; then
+    FINAL_SEQUENCE+="* "
+  else
+    FINAL_SEQUENCE+="$arg "
+  fi
+done
+#echo "$FINAL_SEQUENCE"
+echo "$FINAL_SEQUENCE = $(($FINAL_SEQUENCE))"