Many additions and changes

scripts/shell/job/change-value-from-keyvalue-file.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+show_help() {
+    echo "Usage: $0 [--files|-f files]"
+    echo "Options:"
+    echo "  --help          | -h (Optional) Display help information on how to use this script"
+    echo "  --key           | -k (Required) Specify the key's name"
+    echo "  --new-value     | -v (Required) Specify the new value for the key"
+    echo "  --file-path     | -f (Required) Specify the file's path"
+}
+
+key=''
+new_value=''
+file_path=''
+
+while [ "$#" -gt 0 ]; do
+    case "$1" in
+        --help|-h)      show_help; exit ;;
+        --key|-k)       key="$2"; shift 2;;
+        --new-value|-v) new_value="$2"; shift 2;;
+        --file-path|-f) file_path="$2"; shift 2;;
+        *) shift ;;
+    esac
+done
+
+old_value=`cat $file_path | grep $key | awk -F= '{print $2}'`
+sed -i "s/$old_value/$new_value/g" $file_path