Classical data structures

Author: vtrbtf

Classical/queue/shell/main.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+Q=()
+PROMPT='-> '
+while [[ true ]]; do
+  echo "$PROMPT"
+  read line
+  ARG=($line)
+
+  case ${ARG[0]} in
+    "ADD") Q+=(${ARG[1]}) && echo "Added"
+      ;;
+    "POP") echo ${Q[0]} && Q=${Q[@]:1}
+      ;;
+  esac
+
+done

Classical/stack/shell/main.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+S=()
+PMP="->"
+while [[ true ]]; do
+  echo $PMP
+  read line
+  ARG=($line)
+  case ${ARG[0]} in
+    "ADD") Q+=(${ARG[1]}) && echo "Added"
+      ;;
+    "POP") echo "${Q[@]:(-1)}" && Q=(${Q[@]:0:${#Q[@]-2}})
+      ;;
+  esac
+done