Data commit

Task/Associative-array-Creation/UnixPipes/associative-array-creation.up

@@ -0,0 +1,44 @@
+map='p.map'
+
+function init() {
+cat <<EOF > $map
+apple a
+boy b
+cat c
+dog d
+elephant e
+EOF
+}
+
+function put() {
+    k=$1; v=$2;
+    del $k
+    echo $v $k >> $map
+ }
+
+function get() {
+    k=$1
+    for v in $(cat $map | grep "$k$"); do
+        echo $v
+        break
+    done
+ }
+
+function del() {
+    k=$1
+    temp=$(mktemp)
+    mv $map $temp
+    cat $temp | grep -v "$k$" > $map
+}
+
+function dump() {
+    echo "-- Dump begin --"
+    cat $map
+    echo "-- Dump complete --"
+}
+
+init
+get c
+put c cow
+get c
+dump