Bash shell script two variables in for loop, This might be another way to use two variables in the same loop. But you need to know the total number of files (or, the number of times you want to run the loop) in the directory to use it as the value of iteration i. Get the numbe...
向子程序发送 End Of File 信号。 sendintr() - 发送终止信号 向子程序发送 SIGINT 信号,相当于 Linux 中的 kill 2 ,它会直接终止掉子进程。 interact() - 将控制权交给用户 interact() 表示将控制权限交给用户(或者说标准输入)。 一般情况下 pexpect 会接管所有的输入和输出,但有的时候还是希望用户介入,...
At the time of the execution, we opened the terminal and ran the bash command “./bash1.sh”. When the bash file is executed, it runs endlessly and prints the echo command infinitely in the terminal. Note that, here, we have taken a “true” command for the while loop, but the fal...
Loopback1 50.50.255.42/32 N/A Leaf 3 WGE1/0/1 N/A Interface connected to a single-homed device. Connected Server 3. WGE1/0/2 N/A Interface connected to a single-homed device. Connected Server 4. HGE1/0/29 N/A Member port of the peer-link interface. Connected to ...
voidloop_once(intefd,intlfd,intwaitms) { constintkMaxEvents=20; structepoll_eventactiveEvs[100]; intn=epoll_wait(efd,activeEvs,kMaxEvents,waitms); printf("epoll_wait return %d\n",n); for(inti=0;i<n;i++) { intfd=activeEvs[i].data.fd; ...
In this example, we will use a "for loop" to output a certain string a specific number of times. You will be able to grasp the following code example easily. #!/bin/bash echo "For loop example" for i in 1 2 3 4 5 do echo "$i - Welcome" done echo "* end of script *" ...
# Check this CD/USB drive is not too old - see Tutorial #71 for details # Usage: /checkdate.g4b <Release Year> <Release Month> <Release DayOfMonth> <ExpiresInDays> [<SILENT>] /checkdate.g4b 2012 12 3 2 pause if NOT "%CHECKDATE%"=="OK" reboot ...
VBScript to combine rs values, loop and add to duplicate(s) I've written a lot of IF statements in VBScript, but haven't gone much beyond that so apologize for my lack of experience. I hope what I'm asking is simple to do. I want to output item identifiers cre...How can I ...
This JavaScript uses a nested "while" loop statements to calculate prime numbers. It has the same execution logic as the While_Loop_Statements.html JavaScript. The output of this sample JavaScript is: Found a prime number: 3. Found a prime number: 5. Found a prime number: 7. Found a ...
Expression and Order of Operation PrecedenceStatement Syntax and Statement TypesArray Data Type and Related StatementsArray References and Array Assignment StatementsConditional Statements - "If ... Then" and "Select Case"Loop Statements - "For", "While", and "Do"...