ls >1 while read line;do wget "http://www.baidu.com/"+line done FILE=test while read CMD;do echo "$CMD"done<"$FILE"
Bash Shell read file line by line and substring #read onefileline by lineforlinein$(cattest1.txt);doecho$line ;done; #whilereadsplitline by spacewhileread linedoforwordin$linedoecho$worddone;done<test1.txt #stringsplitor substring input=type=abcdefgecho$input; #get abcdefgecho$input |cut-...
read前面的test=在此上下文中没有任何效果。你可以移除它。 确保文件的最后一行以new-line字符结尾。read在到达文件结尾时返回non-zero退出状态(这意味着false),您的代码退出while循环,不显示read读取的最后一个值。如果文件以new-line字符结尾,则最后一行(已读取但未被代码列出)为空,因此不会丢失任何内容。 建议文...
可以使用read命令来实现。read命令用于从标准输入读取用户输入的值,并将其赋给一个变量。 具体用法如下: ``` read variable_name ``` 其中,variable_name是...
read name #We are now going back to standard output, by using echo and printing your name to the command line. echo "With standard input you have told me your name is: $name" 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 这个示例通过标准输出给出提示,提醒用户输入信息,然后从标准输入(键盘...
[STRING/FILENAME]\nDESCRIPTION\n -h Displays this help screen\n -f Forces a check for network boundary when given a STRING(s)\n -i Will read from an Input file (no network boundary check)\n -b Will do the same as –i but with network boundary check\n\nEXAMPLES\n ./cidr-to-ip...
regex`trap'exit 42'sigint# Unportable signal speccmd &> file# Unportable redirection operatorreadfoo < /dev/tcp/host/22# Unportable intercepted filesfoo-bar() { ..; }# Undefined/unsupported function name[$UID= 0 ]# Variable undefined in dash/shlocalvar=value# local is undefined in shtim...
README GPL-3.0 license Haskell Dockerfile Linter A smarter Dockerfile linter that helps you buildbest practiceDocker images. The linter parses the Dockerfile into an AST and performs rules on top of the AST. It stands on the shoulders ofShellCheckto lint the Bash code insideRUNinstructions. ...
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This level of safety is important when wanting to terminate an EC2 instance by name. If an instance ID is passed, returns it as is for convenience. Used by adjacent scripts aws_ec2_instances.sh - lists AWS EC2 instances, their DNS names and States in an easy to read table output aws_...