TCL培训教程(全)(内部使用)深圳市华为技术有限公司第2页共68页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共68页目录1引言.............................................................................................................................................................62语法.............................................................................................................................................................72.1脚本、命令和单词符号...............................................................................................................72.2置换(substitution).........................................................................................................................72.2.1变量置换(variablesubtitution).............................................................................................82.2.2命令置换(commandsubstitution).........................................................................................82.2.3反斜杠置换(backslashsubstitution).....................................................................................92.2.4双引号和花括号.................................................................................................................102.3注释............................................................................................................................................103变量...........................................................................................................................................................113.1简单变量....................................................................................................................................113.2数组............................................................................................................................................123.3相关命令....................................................................................................................................123.3.1set........................................................................................................................................123.3.2unset....................................................................................................................................123.3.3append和incr.....................................................................................................................134表达式......................................................................................................................................................134.1操作数........................................................................................................................................134.2运算符和优先级........................................................................................................................141.1数学函数....................................................................................................................................142List...........................................................................................................................................................162.1list命令.......................................................................................................................................162.2conc...
