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Add helper to get the value of an alias only
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@ -15,3 +15,33 @@ function take() {
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cd $1
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}
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#
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# Get the value of an alias.
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#
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# Arguments:
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# 1. alias - The alias to get its value from
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# STDOUT:
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# The value of alias $1 (if it has one).
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# Return value:
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# 0 if the alias was found,
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# 1 if it does not exist
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#
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function alias_value() {
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alias "$1" | sed "s/^$1='\(.*\)'$/\1/"
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test $(alias "$1")
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}
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#
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# Try to get the value of an alias,
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# otherwise return the input.
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#
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# Arguments:
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# 1. alias - The alias to get its value from
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# STDOUT:
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# The value of alias $1, or $1 if there is no alias $1.
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# Return value:
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# Always 0
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#
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function try_alias_value() {
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alias_value "$1" || echo "$1"
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}
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