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#!/bin/bash INDEX=0 while [ $INDEX -lt 5 ] do echo $INDEX INDEX=$((INDEX+1)) done. This time when we run the script we get the expected result: …
@spen.smith: according to the Bash FAQ, [[was added to Bash in v2.02 (1998), based on the ksh feature available since the 1980s. In 2012, when cdarke wrote that comment, …
When it only finds one, it tells us that it was expecting another unary operator. An if statement with only one number, which causes a unary operator expected error. The obvious …
The reason for this error is that the use of space will make the left side expression, i.e., “$v,” disappear from the condition. $ bash –xv ./unary.sh. To prevent this script from throwing the …
I don't write a lot of Bash, so I'm a bit stumped as to how to fix this. I need to check whether a value returned from a command is greater than x. When it runs though I get [: -gt: …
$ make install bazel fetch //:package Starting local Bazel server and connecting to it... ^Cbazel fetch attempt 1 of 5 failed /bin/sh: line 0: [: -eq: unary operator expected bazel …
I got this error message when execute make clean command /bin/sh: /bin/nvcc: No such file or directory awk: syntax error at source line 1 context is {exit >>> ...
$ make all No receipt for 'com.apple.pkg.CLTools_Executables' found at '/'. /bin/sh: line 0: [: -gt: unary operator expected /bin/sh: line 0: [: -gt ...
Unary operator expected in Bash. You are using indirection. If the variable $ {BLOCK1FRAN} points to an empty variable, you'll get the error message. Make sure that the …
Shell script execution error [: 0: unary operator expected. When executing the shell script, the if judgment statement reports an error. When testNum is used, it is not defined, and no …
#!/bin/bash read -p "enter a number: " n s=0 i=1 j=0 while [ $i -le $n ] do if [ $(( i % 2 )) -eq 0 ] then s=$(( s + i )) j=$(( j + 1 )) fi i=$(( i + 1 )) # uncomment: remove the '#' from the …
This article explains how to solve unary operator expected error in Bash.
Questions describing a problem that can't be reproduced and seemingly went away on its own (or went away when a typo was fixed) are off-topic as they are unlikely to help future …
Debugging bash scripts. You can also debug the script line-by-line using bash -x. bash -x shows all commands that are being executed, just like gdb or strace, but for bash …
Stack Exchange Network. Stack Exchange network consists of 182 Q&A communities including Stack Overflow, the largest, most trusted online community for …
Stack Exchange Network. Stack Exchange network consists of 182 Q&A communities including Stack Overflow, the largest, most trusted online community for …
Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free …
1 Answer. Sorted by: 3. You use the following command line: if [ -gt 0 ] since $ {PROCESS_STATE} expands to nothing because it is an uninitialized variable. For this reason, it …
Summary: make clean fails (/bin/bash: -/: invalid option) Status: RESOLVED DUPLICATE of bug 39933: Alias: None Product: gcc Classification: Unclassified ... -irsD or -c …
Hiya all, Why do I get a :unary operator expected when I try to put a condition statement in my shell script (sh) like so and how to fix? if ; then echo "say hello" else echo "don't …
hey, try doing this put the pass list in /blackeye, not somewhere else and if your list is named "test" in the terminal when it asks you, say just "test" without .txt, .lst or any extension …
It really depends on the data you wish to extract and its specific location within the AWR report. The script works on the basis of using "handlers" to process distinct areas of a …
The error-message comes from "test" (" [" is just another name for this program) and says that "-gt" is a clause which expects two operands: one before and one behind. One of …
Message : ./db_migrate.sh: line 3: [: =: unary operator expected. 검색해보니 정확히 같은 사례가 나와서 바로 해결. https://stackoverflow.com ...
[bash]字符串判空有空格报错:binary operator expected. 最近写代码时,遇到了binary operator expected报错,代码类似如下
Ubuntu: -gt: unary operator expected error on bashHelpful? Please support me on Patreon: https://www.patreon.com/roelvandepaarWith thanks & praise to God, a...
Hi @ziga.rupret,. if it is a copy-paste and didn’t work, then it is probably because you didn’t pass any param to the script. You have to call it like:./my_script.sh rotate
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Stack Exchange Network. Stack Exchange network consists of 182 Q&A communities including Stack Overflow, the largest, most trusted online community for …
Bash Shell Script errors: ambiguous redirect and unary operator expected conditional binary operator expected with Do and ssh connection Compare integer in bash, unary operator …
Are you looking for an answer to the topic “bash unary operator expected“? We answer all your questions at the website Brandiscrafts.com in category: Latest technology and computer news …
Coding example for the question Unary operator expected when compressing static files-bash
checking host system type... i386-apple-darwin9.5.0 checking how to run the C preprocessor... gcc -E checking for grep that handles long lines and -e... /usr/bin/grep
[[ ]] shouldn't be neccessary if the file ecoli_operons exists and is readable as the Awk always returns a number. It should even work on Solaris! I would be more inclined to use …
Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free …
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