Contents
How to use multiple variable for input with READ command?
(here we didn’t bother escaping the spaces for R as the rest of the line after the third word would end-up in R anyway; the user would still need to escape a trailing space though). If you want the user to enter the values on 3 lines, you’d need 3 read invocations.
What are the variables in the READ statement?
Variables I, J and K receive 100, 200 and 300, respectively. Since the second READ starts with a new line, L, M and N receive 500, 600 and 700, respectively. 400 on the first input line is lost. The next READ will start reading with the third line, picking up 900. Hence, 800 is lost. A limited type conversion is possible in a READ statement.
How to read multiple values from multiple lines?
Reading multiple values from multiple lines and columns and setting them to unique variables. Hello, I would like to ask for help with csh script. An example of an input in .txt file is below, the number of lines varies from file to file and I have 2 or 3 columns with values.
How to read multiple variables per line in Bash?
I think all you’re looking for is to read multiple variables per line: the read command can assign words to variables by itself. The below assumes that your desired result is the set of assignments a=1, b=2, and c=3, taking the values from the first line and the keys from the second.
How to use multiple variable for input in Bash?
So, here the user must enter the values for P, N, R space or tab separated, like: (here we didn’t bother escaping the spaces for R as the rest of the line after the third word would end-up in R anyway; the user would still need to escape a trailing space though).
How to pass parameters to a shell script?
NOTE: I know there is an option to pass parameters to scripts, but I find this more intuitive for the user executing script hence wanted to know how to do it this way! This is called indirection, and the syntax is $ {!reference} to substitute the value of the variable whose name is in the reference variable.
What happens when you run a parameter query?
When you run the parameter query, the prompt appears in the dialog box without the square brackets, and without the Like keyword or wildcard characters: After you enter the parameter, the query returns values that contain the parameter string.