unary operator expected bash
You would need to add quotes around $1. if [ "$1" = "-r" ]; then echo "I am here" fi. When $1 is empty you are getting if [ = "-r"] which is a syntax error. ,./zhu-kanamori.sh: line 173: [: 1: unary operator expected means that [ expects -eq to have two operands, but it was only passed one. This happened because ... ,...and != is not a unary operator (that is, one capable of taking only a single ... Pretty much covers all of your cases, and no empty string or unary concerns. ,Your problem arises from the fact that $i has a blank value when your statement fails. Always quote your variables when performing comparisons if there is the ... ,If you know you're always going to use bash, it's much easier to always use the double bracket conditional compound command [[ ... ]] , instead of the ... ,You are using indirection. If the variable $BLOCK1FRAN} points to an empty variable, you'll get the error message. Make sure that the variable pointed by ... ,If you're using bash, you can use the [[ syntax, which doesn't require the quotes: if [[ $var = $var1 ]]; then. Even then, it doesn't hurt to quote the variable reference ... ,200910281548unary operator expected的解決方法 ?shell. 在寫linux shell時，遇到if這種判斷句. mask=`awk -F = '/static_msk=/print $2}' $network` if [ $mask ... ,To do this, create the following script called trouble.bash. Be sure to enter it exactly as ... /trouble.bash: [: =: unary operator expected. Number does not equal 1.
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 unary operator expected bash 相關參考資料
-bash: [: =: unary operator expected. when no parameter given ...
You would need to add quotes around $1. if [ "$1" = "-r" ]; then echo "I am here" fi. When $1 is empty you are getting if [ = "-r"] which is a syntax error. https://stackoverflow.com BASH 'unary operator expected' - Stack Overflow
./zhu-kanamori.sh: line 173: [: 1: unary operator expected means that [ expects -eq to have two operands, but it was only passed one. This happened because ... https://stackoverflow.com Bash script error [: !=: unary operator expected - Stack Overflow
...and != is not a unary operator (that is, one capable of taking only a single ... Pretty much covers all of your cases, and no empty string or unary concerns. 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 comparisons if there is the ... https://stackoverflow.com 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 of the ... https://stackoverflow.com Unary operator expected in Bash - Stack Overflow
You are using indirection. If the variable $BLOCK1FRAN} points to an empty variable, you'll get the error message. Make sure that the variable pointed by ... https://stackoverflow.com unary operator expected in shell script when comparing null value ...
If you're using bash, you can use the [[ syntax, which doesn't require the quotes: if [[ $var = $var1 ]]; then. Even then, it doesn't hurt to quote the variable reference ... https://stackoverflow.com unary operator expected的解決方法@ 血落閣:: 隨意窩Xuite日誌
200910281548unary operator expected的解決方法 ?shell. 在寫linux shell時，遇到if這種判斷句. mask=`awk -F = '/static_msk=/print $2}' $network` if [ $mask ... https://blog.xuite.net Writing shell scripts - Lesson 9: Stay Out Of Trouble
To do this, create the following script called trouble.bash. Be sure to enter it exactly as ... /trouble.bash: [: =: unary operator expected. Number does not equal 1. http://linuxcommand.org |