Assigning a Variable with the value from another shell script

Question

I'm trying to get a value from another shell script and assigning it to a variable in a shell script

I tried with the below command. But it's not working

BundleVersion= $(sh VersionNumberScript $(PLISTPATH))

Can I know what's wrong in the above command

Probably you want $(PLISTPATH) to be $PLISTPATH, in addition to the note about the space after the equal sign, which should not be there. — linuxfan says Reinstate Monica
– linuxfan says Reinstate Monica, Commented Feb 17, 2017 at 8:26
Indeed, I didn't notice this. Well, unless PLISTPATH is a command, but it doesn't seem to be. — Matthieu Moy
– Matthieu Moy, Commented Feb 17, 2017 at 18:46

Matthieu Moy · Accepted Answer · 2017-02-17 07:01:34Z

1

You have an extra space after =, which shouldn't be there. The syntax for assignment in shell is:

variable=value

If you write

variable= value

it will be interpreted as

variable='' value

which stands for "execute command 'value' after setting environment variable 'variable' to the empty string".

answered Feb 17, 2017 at 7:01

Matthieu Moy

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2 Comments

Icoder Over a year ago

I have tried this but its not working. When I'm trying to run the script its printing, but its not getting assigned to a variable

user1934428 Over a year ago

@Icoder: It's hard to diagnose, when you don't even mention in which shell you are executing this command. The following applies, if it's in bash: First, a program named PLISTPATH is executed (in a child process), and its standard output is collected. Then, the program VersionNumberScript is executed (either as Posix-Shell or as Bourne Shell, depending on where you are on), and receives the previously collected output as parameter(s). Finally, the output of VersionNumberScript is stored in the variable BundleVersion.

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