/bin/bash## Name: test-bucket-1## Purpose:# Performs the test-bucket number 1 for Product X.# (Actually, this is a sample shell script,# which invokes some system commands# to illustrate how to construct a Bash script)## Notes:# 1) The environment variable TEST_VAR must be set# (...
stage('Checkout') { if (!env.hub_org) { println(ANSI_BOLD + ANSI_RED + "Uh Oh! Please set a Jenkins environment variable named hub_org with value as registery/sunbidrded" + ANSI_NORMAL) error 'Please resolve the errors and rerun..' } else { println(ANSI_BOLD + ANSI_GREEN + ...
译:-l的作用是使bash变成一个login shell-r If the -r option is present, the shell becomes restricted (see RESTRICTED SHELL below).-s If the -s option is present, orifno arguments remain after option processing,thencommands are read from the standard input. This option allows the positional ...
is$10"# Positional parameter misreferenceif$(myfunction);then..;fi# Wrapping commands in $()elseifothercondition;then..# Using 'else if'f;f() {echo"hello world; } # Using function before definition [ false ] # 'false' being true if ( -f file ) # Using (..) instead of test ...
getopts中的排序参数 如何在TCL中使用getopts 在bourne shell中使用user-defined-function中的getopts 在bash with bash中的力量 如何在getopts中获取参数值 如何使用getopts函数指定参数的顺序? 使用!在bash函数的参数中 C中的getopts,命令行参数 页面内容是否对你有帮助? 有帮助 没帮助 ...
>>> core__bash_version_test=true >>> set -o nounset >>> core_is_defined undefined_variable; echo $? 1Function core_is_emptyTests if variable is empty (undefined variables are not empty)>>> local foo="bar" >>> core_is_empty foo; echo $? 1>>> local defined_and_empty="" >>...
bash 中有四种类型的变量,它们是环境变量、本地变量、位置变量和特殊变量。...参考文章 bash shell学习之变量 Shell变量 How to tell if a string is not defined in a bash shell script? 1.1K30 Bash shell 中,select 使用举例 文章目录 Bash shell 中,select 使用举例一 背景二 使用举例 2.1 单独使用.....
How a function sees a variable depends on its definition within the function or the caller/parent. The benefit of dynamic scoping is often to reduce the risk of variable conflicts in the global scope. A shadow variable is one that is defined locally in a function with the same name as a...
aws_sso_ssh.sh - launches local AWS SSO authentication pop-up (if not already authenticated), then scp's the latest resultant ~/.aws/sso/cache/ file to the remote server and SSH's there so that you can use AWS CLI or kubectl to EKS remotely on that server easily, without having to...
When invoked as an interactive shell with the name sh, bash looks for the variable ENV, expands its value if it is defined, and uses the expanded value as the name of a file to read and execute. Since a shell invoked as sh does not attempt to read and execute commands from any ...