我刚接触过ansible,当尝试运行在剧本下面时,出现了未定义的变量错误。该任务包括一个带有未定义变量的选项。错误是:“变量”未定义
---
- name: get time date
hosts: localhost
tasks:
- name: get from system
shell: "date +%Y-%m-%d"
register: dstamp
- name: print date
hosts: IOS
tasks:
- name: print
debug:
msg:
我试图编写一个包含字符串的助手函数,如果该字符串有多个空格,它只会将其转换为一个字符串。以下是代码:
getSpaces :: String -> String
getSpaces index =
if (length index) == 1 then index
else
if isInfixOf " " index then index = " "
else index
当我试图将我的模块加载到GHCI中时,我会得到以下错误:
Prelude> :l Utilities
[1 of 1] Comp