|
|
@ -1,6 +1,6 @@
|
|
|
|
##############################################################################
|
|
|
|
##############################################################################
|
|
|
|
# BASH CHEATSHEET (中文速查表) - by skywind (created on 2018/02/14)
|
|
|
|
# BASH CHEATSHEET (中文速查表) - by skywind (created on 2018/02/14)
|
|
|
|
# Version: 6, Last Modified: 2018/02/24 18:37
|
|
|
|
# Version: 8, Last Modified: 2018/02/24 22:06
|
|
|
|
# https://github.com/skywind3000/awesome-cheatsheets
|
|
|
|
# https://github.com/skywind3000/awesome-cheatsheets
|
|
|
|
##############################################################################
|
|
|
|
##############################################################################
|
|
|
|
|
|
|
|
|
|
|
@ -243,11 +243,30 @@ ${variable//pattern/str} # 将变量中所有匹配 pattern 的地方替换成
|
|
|
|
|
|
|
|
|
|
|
|
${#varname} # 返回字符串长度
|
|
|
|
${#varname} # 返回字符串长度
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
*(patternlist) # 零次或者多次匹配
|
|
|
|
|
|
|
|
+(patternlist) # 一次或者多次匹配
|
|
|
|
|
|
|
|
?(patternlist) # 零次或者一次匹配
|
|
|
|
|
|
|
|
@(patternlist) # 单词匹配
|
|
|
|
|
|
|
|
!(patternlist) # 不匹配
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
array=($text) # 按空格分隔 text 成数组,并赋值给变量
|
|
|
|
|
|
|
|
IFS="/" array=($text) # 按斜杆分隔字符串 text 成数组,并赋值给变量
|
|
|
|
|
|
|
|
text="${array[*]}" # 用空格链接数组并赋值给变量
|
|
|
|
|
|
|
|
text=$(IFS=/; echo "${array[*]}") # 用斜杠链接数组并赋值给变量
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
num=$((1 + 2)) # 计算 1+2 赋值给 num
|
|
|
|
|
|
|
|
num=$(($num + 1)) # 变量递增
|
|
|
|
|
|
|
|
num=$((1 + (2 + 3) * 2)) # 复杂计算
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$(UNIX command) # 运行命令,并将标准输出内容捕获并返回
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
##############################################################################
|
|
|
|
##############################################################################
|
|
|
|
# References
|
|
|
|
# References
|
|
|
|
##############################################################################
|
|
|
|
##############################################################################
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
https://github.com/LeCoupa/awesome-cheatsheets/blob/master/languages/bash.sh
|
|
|
|
https://ss64.com/bash/syntax-keyboard.html
|
|
|
|
https://ss64.com/bash/syntax-keyboard.html
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|