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- # count the number of arguments ----------------------------------------------
- # example: argc a b c
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- echo '$0 ' $0
- echo '$1 ' $1
- echo '$2 ' $2
- echo '$3 ' $3
- echo '-----'
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- set i 0
- foreach xx { $- }
- set i $i + 1
- endfor
- echo ' --- ===' $i ' arguments === ---'
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- echo '-----'
- echo '$0 ' $0
- echo '$1 ' $1
- echo '$2 ' $2
- echo '$3 ' $3
- echo '-----'
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