I want to reference a bash variable from a variable without using

echo "${!VARNAME}"

Any ideas? Since i want to use the variable on fly and many such references are there, i cant declare them to another variable and use it.

example:

var1=host
${var1}_file ----> host_file is another variable that i want to call in a command. 

I want to reference a bash variable from a variable without using:

echo "${!VARNAME}"

Any ideas? Since I want to use the variable on fly and many such references are there, I can't declare them to another variable and use it.

Example:

var1=host
${var1}_file ----> host_file is another variable that i want to call in a command. 

I want to reference a bash variable from a variable without using

echo "${!VARNAME}"

Any ideas? Since i dont want to use the variable on fly and many such references are there, i cant declare them to another variable and use it.

example:

var1=host
${var1}_file ----> host_file is another variable that i want to call in a command. 

I want to reference a bash variable from a variable without using

echo "${!VARNAME}"

Any ideas? Since i want to use the variable on fly and many such references are there, i cant declare them to another variable and use it.

example:

var1=host
${var1}_file ----> host_file is another variable that i want to call in a command. 

I want to reference a bash variable from a variable without using

echo "${!VARNAME}"

Any ideas? Since i dont want to use the variable on fly and many such references are there, i cant declare them to another variable and use it.

example:

var1=host ${var1}_file ----> host_file is another variable that i want to call in a command.

I want to reference a bash variable from a variable without using

echo "${!VARNAME}"

Any ideas? Since i dont want to use the variable on fly and many such references are there, i cant declare them to another variable and use it.

example:

var1=host
${var1}_file ----> host_file is another variable that i want to call in a command.