Revision 9037
Added by Aaron Marcuse-Kubitza over 11 years ago
| lib/sh/util.sh | ||
|---|---|---|
| 81 | 81 |
func_exists () { declare -f "$1" >/dev/null; }
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| 82 | 82 |
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| 83 | 83 |
copy_func () # usage: from=... to=... copy_func |
| 84 |
# $to must not exist. to get around the no-clobber restriction, use `unset -f`. |
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| 84 | 85 |
{
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| 85 | 86 |
: "${from:?}" "${to:?}"
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| 87 |
func_exists "$from" || die "function does not exist: $from" |
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| 88 |
! func_exists "$to" || die "function already exists: $to" |
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| 86 | 89 |
local from_def="$(declare -f "$from")" |
| 87 | 90 |
eval "$to${from_def#$from}"
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| 88 | 91 |
} |
Also available in: Unified diff
lib/sh/util.sh: copy_func (): check that $from exists and $to does not exist (i.e. don't clobber existing functions). you can always first `unset -f` the function to get around the no-clobber restriction.