Bash Shell字符串操作

Bash字符串处理 var=“hello_world_icbc_cib” 获取长度 ${#string} echo ${#var} 字符串截取 ${string:position} ${string:position:length} # echo ${var:0:2} # echo ${var:2} # echo ${var:0-4:3} # echo ${var:0-4} 最短字串匹配 ${st

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