批次:抓取字符串的第一个字母 [英] Batch: Grab first letter of a string

问题描述

当前正在测试一些东西，是否有可能抓住字符串的第一个字母并将其分配给变量?

Currently testing a few things and wandered if it was possible to grab the first letter of a string and assign it to a variable?

一些上下文/示例:

set USRDIR1==\\SERVER\Users\%username%
if not exist %USRDIR1% mdkir %USRDIR1%

rem // grab first letter from %username% and assign to %firstletter% //

set USDIR2==\\SERVER\Users\%firstletter%\%Username%
if not exist %USRDIR2% mkdir %USRDIR2%

推荐答案

set USRDIR1==\\SERVER\Users\%username%
if not exist %USRDIR1% mdkir %USRDIR1%

rem // grab first letter from %username% and assign to %firstletter% //
set firstletter=%username:~0,1%

set USDIR2==\\SERVER\Users\%firstletter%\%Username%
if not exist %USRDIR2% mkdir %USRDIR2%

检查变量子字符串语法

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