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Update UPGRADING.md

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Andrew Kesterson
2014-05-20 09:24:31 -07:00
parent 83cfe31f77
commit 5c926c54e2
1 changed files with 2 additions and 2 deletions
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UPGRADING.md
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@@ -9,10 +9,10 @@ In 1.0, argument validators were a somewhat documented, but unpublished feature
cmdarg 'x' 'some-arg' 'some description' '' 'echo $OPTARG | grep ...' cmdarg 'x' 'some-arg' 'some description' '' 'echo $OPTARG | grep ...'
... To this format: ... To this format, which will work in both 1.0 and 2.0 versions:
function my_grep_validator { function my_grep_validator {
echo $1 | grep ... echo ${1:-$OPTARG} | grep ...
} }
cmdarg 'x' 'some-arg' 'some description' '' my_grep_validator cmdarg 'x' 'some-arg' 'some description' '' my_grep_validator