stringList=WordPress,Joomla,Magento # Use comma as separator and apply as pattern for val in ${stringList//,/ } do echo $val done Output: $ bash for_list8.sh Hope, the examples of this tutorial will help you to understand the use of for loop for iterating the list of strings, for...
Here, we list some basic bash syntax with a brief explanation. It is a good starting point if you are a beginner.
ortokeep trackofthe quoting usedbyregular expressions while paying attentiontothe shell’s quote removal.Usinga shell variabletostore thepatterndecreases these problems.Forexample, the
如果 in word 被忽略,那么 for 命令遍历 已设置的位置参数(positional parameter,参见下面的 PARAMETERS 参数), 为每一个执行一次序列 list。 返回值是最后一个命令的返回值。如果 in 之后的词扩展的结果是空列表,就不会执行任何命令,返回值是 0。 for (( expr1 ; expr2 ; expr3 )) ; do list ; done...
for (( expr1 ; expr2 ; expr3 )) ; do list ; done 首先,算術表達式 expr1 被根據下面 算術求值 (ARITHMETIC EVALUATION) 中的規則進行求值。 然後算術表達 式 expr2 被循環求值,直到它等於 0。每次 expr2 結果非零時,序列 list 都被執行, 算術表達式 expr3被 求值。如果任何表達式被忽略,將被視爲...
CAVEAT: List order may not stay the same.Example Function:remove_array_dups() { # Usage: remove_array_dups "array" declare -A tmp_array for i in "$@"; do [[ $i ]] && IFS=" " tmp_array["${i:- }"]=1 done printf '%s\n' "${!tmp_array[@]}" }...
for fileName, fileInfo in self.iteritems(): if fileInfo.isMissingStrings(): bad.add(fileName) new = bad - oldBad self.missing_strings = bad @@ -4530,42 +4530,47 @@ def getModList(self,showCRC=False,showVersion=True,fileInfo=None,wtxt=False): if not wtxt: log(u'[/xml][/sp...
Python 风格 for in(常用)for variable in value_list do statements done value_list直接给出具体的值:1 2 3 4 5,"john" "jack" "tom" 给出一个取值范围(只支持数字和字母):{1..5},{a..f} 使用命令的执行结果:$(ls) 使用Shell 通配符:*.sh 使用特殊变量:$@(如果省略 value_list 的话相当于...
var=$(az group list --query "[? contains(name, '$resourceGroup')].name" --output tsv) case $resourceGroup in $var) echo The $resourceGroup resource group already exists.;; *) az group create --name $resourceGroup --location "$location";; esac Using for loops and querying arrays ...
#for-in loop to read list of strings with space forosin"Ubuntu""Linux Mint""Fedora""CentOS" do #Print each string echo"Operating System -$os" done Output: Run the script. $bashfor3.sh Here, the string value, ‘Linux Mint’ is printed properly. ...