shell - Can I export variable with another variable inside? -

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i have .sh script uses environment variables export before. variables this: var1="${libdir}/test" in script, ${libdir} replaced value. declared export below: export var1="${libdir}/test" in script libdir not taken account @ all. can way?

no, can't have variable contains variable reference gets substituted in "delayed" fashion:

$ libdir=foo $ var1="${libdir}/test" $ libdir=bar $ echo "$var1" foo/test

you could around using eval, shouldn't.

however, function want, price of touch syntax:

$ var1() {     echo "${libdir}/test" } $ libdir=foo $ echo "$(var1)" foo/test $ libdir=bar $ echo "$(var1)" bar/test

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