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When do I write too many arguments in Bash?
Closed 2 years ago. if i need to go to my directory named as”exception handling” then i write (cd exception handling) but it gives error too many arguments (That being said, cd does not open a file but changes the working directory.) Sora. Sora.
Why are there too many arguments in a function?
If you’re seeing the “too many arguments” error, chances are you’re getting a string from a function with unpredictable output. If it’s also possible to get an empty string (or all whitespace string), this would be treated as zero arguments even with the above “quick fix”, and would fail with [: unary operator expected
Why is there an error in my bash script?
The main error in your script is that the [ command, equivalent to test command, is used to test conditions, like string comparison, existence of files, and so on. To test the exit status of processes you have to use if without [, so your script could be This is explained in Bash Pitfalls: 9. if [grep foo myfile.
When to split a string into multiple arguments?
If your $VARIABLE is a string containing spaces or other special characters, and single square brackets are used (which is a shortcut for the test command), then the string may be split out into multiple words. Each of these is treated as a separate argument. So that one variable is split out into many arguments:
What happens if there are too many arguments in CD?
cd takes 1 and only 1 argument. This means that it will receive an invalid number of arguments whenever there is not 1 and only 1 file which matches the pattern. You’re probably looking for autocomplete. Just hit the Tab key. If it doesn’t autocomplete, there either are no options or more than one.
Is there a way to override the CD Bash command?
I couldn’t test this on a real 17.04 system yet (only verified that it works on 16.04), but you should be able to override the cd Bash built-in command with your own custom function, which discards any additional arguments except the first one:
How to use z instead of CD in Bash?
To install z download it and then source it in our .bashrc file: To try this out, let’s start navigating through different folders using cd: Notice how after invoking z we get a list of the folders we’ve visited. To go to a specific folder without having to type in the full path, let’s try using z instead of cd.