| 1 | #!/usr/bin/env bash
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| 2 | #
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| 3 | # Usage:
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| 4 | #   ./declare.sh <function name>
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| 5 | 
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| 6 | set -o nounset
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| 7 | set -o pipefail
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| 8 | set -o errexit
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| 9 | 
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| 10 | demo() {
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| 11 |   readonly __ONE=bar  # declare -r
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| 12 |   export readonly __TWO=bar  # declare -x
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| 13 |   export readonly local __THREE=bar  # declare -x
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| 14 |   readonly __FOUR=bar
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| 15 |   export __FOUR  # declare -rx
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| 16 |                  # OK export readonly doesn't work!  That was silly.
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| 17 |                  # not sure why I thought they can be combined.
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| 18 | 
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| 19 |   # Show everything
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| 20 |   declare -p  | grep __
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| 21 | }
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| 22 | 
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| 23 | demo-clean() {
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| 24 |   # Show a clean demo
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| 25 |   env -i $0 demo
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| 26 | }
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| 27 | 
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| 28 | "$@"
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