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@ -81,12 +81,12 @@ Further options:
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This can be used with **--append** to both append and prepend at the same time.
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This can be used with **--append** to both append and prepend at the same time.
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This cannot be used when assigning to a variable slice.
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This cannot be used when assigning to a variable slice.
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**-e** or **--erase** *NAME*[*INDEX*]
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**-e** or **--erase** *NAME*\[*INDEX*\]
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Causes the specified shell variables to be erased.
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Causes the specified shell variables to be erased.
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Supports erasing from multiple scopes at once.
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Supports erasing from multiple scopes at once.
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Individual items in a variable at *INDEX* in brackets can be specified.
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Individual items in a variable at *INDEX* in brackets can be specified.
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**-q** or **--query** *NAME*[*INDEX*]
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**-q** or **--query** *NAME*\[*INDEX*\]
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Test if the specified variable names are defined.
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Test if the specified variable names are defined.
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If an *INDEX* is provided, check for items at that slot.
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If an *INDEX* is provided, check for items at that slot.
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Does not output anything, but the shell status is set to the number of variables specified that were not defined, up to a maximum of 255.
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Does not output anything, but the shell status is set to the number of variables specified that were not defined, up to a maximum of 255.
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