45.15 How to Unset all Command-Line Parameters
The
shift
(
44.17
)
command "shifts away" one command-line parameter.
You can shift three times if there are three command-line parameters.
Many shells also can take an argument, like
shift 3
, that tells
how many times to shift; on those shells, you can
The portable way to unset all command-line parameters is probably to set ( 44.19 ) a single dummy parameter, then shift it away:
set x shift Setting the single parameter wipes out whatever other parameters were set before. - |
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