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I have simple script like this:

#!/bin/bash

BOO=bla-bla-bla

cat > ./Makefile <<'EOF'
        Hello
        INCLUDES := -I/data/opt/include/ -Ideps/ -I$BOO/include
EOF

Yet it outputs into file:

 Hello
 INCLUDES := -I/data/opt/include/ -Ideps/ -I$BOO/include

how to make cat use my variables values, not names inside that string?

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1 Answer 1

Drop the single quotes around the here-document limit string EOF to avoid suppressing parameter substitution. More details here.

Especially take note of "Example 19-7. Parameter substitution turned off" and "Example 19-8. A script that generates another script".

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1  
@sukminder, thank you. Will keep this in mind going forward –  1_CR Oct 11 '13 at 20:19

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