[Solved] Unable to fetch the UNIX variable information

UNIX for Advanced & Expert Users
1

I am having a file called variable_info.ksh in that file I am having following global variable information like�

EMAIL_PATH=/var/mail
TMP_PATH=/home/tmp

And we are having another temporary parameter file abcd.txt, in that file we are having the following information like�

EMAIL|EMAI_PATH

I am writing a shell script and using the abacd.txt file searching for EMAIL word and picking up the �EMAI_PATH�
Inside my I am executing variable_info.ksh script to fetch variable information.
Steps included in my scripts are..

./ variable_info.ksh
TMP_VAR_INFO=`grep �EMAIL� abcd.txt | cut �f1 �d�|�`
Echo $TMP_VAR_INFO

Then I am getting the �EMAI_PATH�
But I want to fetch the EMAIL_PATH information by looking abcd.txt file.
Whenever I do get the value of TMP_VAR_INFO= EMAI_PATH
I want to get the value as /var/mail.
Can you anyone please help me regarding this scenario.

2

Dot the file instead of executing it

Replace ./ variable_info.ksh with . variable_info.ksh

This would ensure the variables exported in the variable_info.ksh file are available in the current shell.

If you execute the script then a sub shell is invoked and the parameters will be available only in the sub shell.

3

I tried with that option and it's not working. Could you please suggest any other way i can achieve my result

4

Please try this

. variable_info.ksh
TMP_VAR_INFO=$(grep "EMAIL" abcd.txt | cut -f2 -d"|")
eval echo \$${TMP_VAR_INFO}

Output:

/var/mail
5

Thanks krishmaths Your solution worked.