如果会报错,没有则跳过: Syntax error: Bad for loop variable 原因:代码对于标准bash而言没有错,因为Ubuntu为了加快开机速度,用dash代替了传统的bash,是dash在捣鬼。 解决方法:取消dash dpkg-reconfigure dash 出现弹框,选择NO 参考原文详情,解决报错: http://blog.csdn.net/yf2
Use a glob or a for loop with a condition to allow non-alphanumeric filenames. 详见Wiki SC2010 针对这个问题,我本想尝试用 files=$(ls -l "$dir/"* | wc -l) 来解决,但是 ls -l /direcotry/* 打印出来的结果不尽如人意: [root@mongodb10 shell]# ls -l /opt/mongo/* /opt/mongo/...
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echo "user is created,password is in /root/pw_File" fi done 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. #删除10个用户 for i in {1..10} ;do userdel -r user$i ;done 3、/etc/rc.d/rc3.d目录下分别有多个以K开头和以S开头的文件;分别读取每个文件,以K...
If you don’t specify the keyword “in” followed by any list of values in the bash for loop, it will use the positional parameters (i.e the arguments that are passed to the shell script). $ cat for3.sh i=1 for day do echo "Weekday $((i++)) : $day" ...
for n in {1..7}; do echo $n done Once the shell script is executed, all the values in the range are listed, similar to what we had insimple loops. Bash For Loop with Ranges Example Additionally, we can include a value at the end of the range that is going to cause thefor loop...
Another practical use case is synchronizing the contents of two folders. There are two loops in theSyncFolder.ps1script, both using theForEach-Objectcmdlet. The first loop replicates the source folder’s folder structure to the destination folder. The second one performs the file copy operation. ...
gpg --command-fd=0 --pinentry-mode=loopback --edit-key "$KEYID" <<EOF uid * trust 5 y save EOF Create Subkeys Generate Signature, Encryption and Authentication Subkeys using the previously configured key type, passphrase and expiration: for SUBKEY in sign encrypt auth ; do \ echo "...
PowerShell $users|ForEach-Object-Parallel{Set-ADUser$user-Department"Marketing"} 默认情况下,-Parallel 参数支持一次处理五个项。 可以使用 -ThrottleLimit 参数将其修改为更大或更小的值。 下一单元: 查看并使用 Windows PowerShell 脚本中的 If 构造 ...
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