shell if unary operator expected
2018年10月31日 — Quotes! if [ "$1" != -v ]; then. Otherwise, when $1 is completely empty, your test becomes: [ != -v ]. instead of [ "" != -v ] ...and != is not a unary ... ,2020年7月28日 — The Bash Unary Operator Expected error is one of those errors that is not easy to ... Unary Operator Expected” in the Linux terminal I thought:”And now? ... It might not be 100% clear if it's the first time you hear about unary and
| 相關軟體 PuTTY 資訊 | |
|---|---|
 shell if unary operator expected 相關參考資料
"unary operator expected" error in Bash if condition - Stack ...
2017年9月22日 — (It would also fail with a different error message if $aug1 included white space or shell metacharacters.) The modern [[ operator has lots of other ... https://stackoverflow.com Bash script error [: !=: unary operator expected - Stack Overflow
2018年10月31日 — Quotes! if [ "$1" != -v ]; then. Otherwise, when $1 is completely empty, your test becomes: [ != -v ]. instead of [ "" != -v ] ...and != is not a unary ... https://stackoverflow.com Bash Unary Operator Expected: What Does It Mean ...
2020年7月28日 — The Bash Unary Operator Expected error is one of those errors that is not easy to ... Unary Operator Expected” in the Linux terminal I thought:”And now? ... It might not be 100% clear if... https://codefather.tech Linux 的shell script 中，遇到unary operator expected 的解決 ...
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. https://michael-hsu.medium.com shell腳本執行報錯[: 0: unary operator expected - IT閱讀
2018年7月9日 — The 轉換set [ ] 但是perl per shell腳本正常. 在執行shell腳本，if判斷語句報錯. #!/bin/bash if [ 0 == $testNum ] then echo "Check Result:0" fi. https://www.itread01.com shell腳本報錯："[: =: unary operator expected" - IT閱讀
2017年10月13日 — 其他stat blog opera exp share font 雙引號style. shell腳本報錯："[: =: unary operator expected". 在匹配字符串相等時，我用了類似這樣的語句：. if ... https://www.itread01.com unary operator expected in shell script when comparing null ...
2017年8月14日 — 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
在寫linux shell時，遇到if這種判斷句 mask=`awk -F = '/static_msk=/print $2}' $network`if [ $mask == "32" ];then echo "*JAC 33 255.255.255.255"fi 如果mask ... https://blog.xuite.net Writing shell scripts - Lesson 9: Stay Out Of Trouble
The " = " is a binary operator; that is, it expects two items to operate upon - one on each side. What the shell is trying to tell us is that there is only one item and there should be a una... https://linuxcommand.org |