script unary operator expected
I've tested your script and it works if you double qoote cnt, it worked like this: #!/bin/bash ssh [email protected] netstat | grep 6200 > log cnt=$(sudo ..., Your problem arises from the fact that $i has a blank value when your statement fails. Always quote your variables when performing ...
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 script unary operator expected 相關參考資料
Bash script error [: !=: unary operator expected - Stack Overflow
Or for what seems like rampant overkill, but is actually simplistic ... Pretty much covers all of your cases, and no empty string or unary concerns. https://stackoverflow.com bash script gives (unary operator expected) - Stack Overflow
I've tested your script and it works if you double qoote cnt, it worked like this: #!/bin/bash ssh [email protected] netstat | grep 6200 > log cnt=$(sudo ... https://stackoverflow.com Compare integer in bash, unary operator expected - Stack Overflow
Your problem arises from the fact that $i has a blank value when your statement fails. Always quote your variables when performing ... https://stackoverflow.com Linux 的shell script 中，遇到unary operator expected ... - Medium
在寫shell script 如果遇到判斷式，例如. “Linux 的shell script 中，遇到unary operator expected 的解決方法” is published by 許聖泉Michael Hsu in MicheH. https://medium.com Shell Script - [: -lt: unary operator expected - Stack Overflow
Indent your code blocks inside the if statement: #!/bin/bash var= grep -o -i abcd /home/test1.txt | wc -l threshold=15 if [ "$var" -lt "$threshold" ]; ... https://stackoverflow.com Shell脚本报错unary operator expected - CSDN博客
在运行时出现了[: =: unary operator expected 的错误，就一直找不到原因，尝试了 ... linux 脚本提示-bash: [: ==: unary operator expected 解决办法. https://blog.csdn.net unary operator expected - Stack Overflow
If you know you're always going to use bash, it's much easier to always use the double bracket conditional compound command [[ ... ]] , instead ... https://stackoverflow.com unary operator expected in shell script when comparing null value ...
unary operator expected in shell script when comparing null value with string. https://stackoverflow.com unary operator expected的解決方法@ 血落閣:: 隨意窩Xuite日誌
但是awk沒有抓到值的話，mask內就是null，當執行時就會出現[: ==: unary operator expected 這是因為$mask的值為「空」，變成==沒有左值而出現的錯誤，有兩種 ... https://blog.xuite.net |