• [ string1 == string2 ] 等同于[ string1 = string2 ]。 整数判断 • [ integer1 -eq integer2 ]:如果integer1等于integer2,则为true。 -ne -le -lt -ge -gt 正则判断 [[ expression ]]这种判断形式,支持正则表达式。 [[ string1 =~ regex ]] if [[ "$INT" =~ ^-?[0-9]+$ ]]...
find_lock.sh - tries to find if a lockfile is used in the given or current working directory by taking snapshots of the file list before and after a prompt in which you should open/close an application foreach_path_bin.sh - runs each binary of the given name found in $PATH with the...
location"# Notice that the space in the $location variable is ignored and the location argument accepts the entire string as the value 在JSON 字典输出中,查看已创建资源组的属性。 使用If Then Else 确定变量是否为 NULL 若要评估字符串,请使用!=;若要评估数字,请使用-ne。 以下 If Then Else 语句...
using default value of $2, returns true if response starts with y or Y or is empty string local DEFAULT=yes if [ "$2" ]; then local DEFAULT="$( toLowerCase "$2" )"
If you enclose your for loop in double quotes, the start and end variables will be dereferenced when you echo the string, and you can ship the string right back to BASH for execution. $i needs to be escaped with \'s so it is NOT evaluated before being sent to the subshell. RA...
有特殊用法$'string',string里允许使用C语言的转义序列 3. 双引号去除大部分字符的特殊含义,包括通配符 绝对例外:$ ` 仍保持展开含义,因此双引号内允许$类展开 if [[ abc == "a*" ]]; then echo yes; else echo no; fi # 输出:no 相对例外:\后跟$ ` " \ newline时仍保持转义含义 echo "\n...
#!/bin/bash main() { if [[ $# == 1 ]]; then case $1 in "-h") echo "脚本使用方法: " echo " ./gitlab-pipeline.sh git仓库名1 git仓库名2 ... tag名(tag命名规则为: *-v加数字)" exit ;; "--help") echo "脚本使用方法: " echo " ./gitlab-pipeline.sh git仓库名1 git仓...
[[${string1}<${string2}]] 如果string1在string2之后按字典顺序排序,则为真: 代码语言:javascript 复制 [[${string1}>${string2}]] 算术运算符 如果两个数相等,则返回true: 代码语言:javascript 复制 [[${arg1}-eq ${arg2}]] 如果数字不相等,则返回true: ...
Along with many other things, the list above will be the commands we will discuss. Commands Creating folders Creating folders can be done simply in the file manager nautilus by right clicking and selecting 'Create Folder', but if you want to do this from a cli environment you would type ...
for each help topic. This aids in translating the text to different languages. You may need to disable this if your compiler cannot handle very long string literals. '--enable-strict-posix-default' Make Bash POSIX-conformant by default (*note Bash POSIX Mode::). ...