LINE="Tests run: 196, Failures: 1, Errors: 1"error=`echo $LINE|cut -d':' -f4`ERROR=0 ERROR=$(($error+$ERROR))你确定你是在用bash不是其他shell执行这个脚本？还有，你发的LINE=后面的引号是 全角的，是你输入错误还是原来脚本就用全角的？ 把这下面这个复制粘贴到t.sh, 再报错...
(( ))without the leading$is a Bash-only feature.$(( ))substitution is allowed in the POSIX shell. As one would expect, the result of the arithmetic expression inside the$(( ))is substituted into the original command. Here are some examples of the use of the arithmetic substitution syntax...
在处理windows格式文本,以 \r\n 为换行符,如果参与运算的数据是行尾的 syntax error: invalid arithmetic operator (error token is " https://stackoverflow.com/questions/43309793/remove-r-n-in-awk awk-v RS='\r\n'... awk'{ sub("\r$", ""); ...} awk'{sub(/\r/,"",$NF); ...}' ...
In this Assignment, you should write a program that allows the user to perform simple arithmetic in binary. Upon starting, the program should tell the user that it is a binary math program, along with brief instructions on how to use the program. The program should then enter a loop, wher...
LinuxStory2023年4月19日LinuxBash约331 字大约1 分钟此页内容 差异比较 算术扩展为脚本中的(整数)算术操作提供了强有力的工具。你可以使用反引号、双圆括号或者 let 将字符串转换为数学表达式。 # 差异比较 # 使用反引号open in new window 的算术扩展(通常与 expropen in new window 一起使用) ...
-bash: luyanping@gpu01~: syntax error: invalid arithmetic operator (error token is"@gpu01 ~") Conda list (base)[luyanping@gpu01~]$[luyanping@gpu01~]\$conda list --show-channel-urls#packages in environment at /home/luyanping/miniconda3:##Name Version Build Channel_libgcc_mutex 0.1 ...
(WSL), which essentially allows you to use Linux features in Windows without the need for a dual-boot system or a virtual machine. To activate this, first go toSettings->Update and security->For developersand enable developer mode. (This may take a while.) Afterwards, open Powershell as ...
bash: [[: v18.18.0: syntax error: invalid arithmetic operator (error token is ".18.0") Is there anything in any of your profile files that modifies thePATH? I don't know but I have never done anything that seems to have done it....
Shell script So, to summarize how to compile and use my compiler, I've written a shell script to download the compiler, compile and assemble the Analog Clock example program, and run it in NodeJS: if [ $(command -v git > /dev/null 2>&1 ; echo $?) -eq 0 ] then git clone htt...
(WSL), which essentially allows you to use Linux features in Windows without the need for a dual-boot system or a virtual machine. To activate this, first go toSettings->Update and security->For developersand enable developer mode. (This may take a while.) Afterwards, open Powershell as ...