How do you declare a date variable in shell script?

How do you declare a date variable in shell script?

To get the date in bash shell and add a date, you can use the GNU date command as date -d ‘Feb 12 +1 day’ +%F which will output 2020-02-13 .

How do you display a variable in a shell script?

To display the value of a variable, either use echo or printf command as follows:

1. echo $varName # not advisable unless you know what the variable contains.
2. echo “$varName”
3. printf “%s\n” “$varName”

How do I run a shell script in DB2?

To run the script on DB2, complete the following steps:

1. Copy the db-scripts\DB2\suite-scripts file to the DB2 server.
2. Make the user, who is the instance owner, the owner of the files.
3. Run the script as the instance owner by completing the following steps.
4. Run the create-suite-db script to create the database.

What types of variables can be used in a shell script?

Two types of variables can be used in shell programming:

• Scalar variables.
• Array variables.

How do you set a date variable?

To declare a date variable, use the DECLARE keyword, then type the @variable_name and variable type: date, datetime, datetime2, time, smalldatetime, datetimeoffset. In the declarative part, you can set a default value for a variable. The most commonly used default value for a date variable is the function Getdate().

How do you assign a path to a variable in shell script?

For Bash, you simply need to add the line from above, export PATH=$PATH:/place/with/the/file, to the appropriate file that will be read when your shell launches. There are a few different places where you could conceivably set the variable name: potentially in a file called ~/. bash_profile, ~/. bashrc, or ~/.

How do you set a variable in a Bash script?

To create a variable, you just provide a name and value for it. Your variable names should be descriptive and remind you of the value they hold. A variable name cannot start with a number, nor can it contain spaces. It can, however, start with an underscore.

How do I run a db2 query in Unix?

CREATE, INSERT, EXPORT, DROP and IMPORT

1. Logon as instance owner and make sure Db2 is up and running.
2. Save below as repro.sh and run “chmod 777 repro.sh” —————- #!/bin/sh. export DBNAME=db1. db2 -v “drop db $DBNAME” db2 -v “create db $DBNAME” db2 -v “connect to $DBNAME”
3. Run “repro.sh” as instance owner.

Which shell is most powerful in Unix?

In this article, we shall take a look at some of the top most used open source shells on Unix/GNU Linux.

1. Bash Shell. Bash stands for Bourne Again Shell and it is the default shell on many Linux distributions today.
2. Tcsh/Csh Shell.
3. Ksh Shell.
4. Zsh Shell.
5. Fish.