Comments (8)
not setting a Value
for StringSliceFlag
solves the issue somehow. fancy_name --groups="asdf,foo" --groups="qwertz"
then returns the expected content which is [asdf,foo qwertz]
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I already tried to set app.SliceFlagSeparator = ";" but this has no effect
I guess that is a bug
or a specific flag
I don't see a real usage fof setting separator per flag but having aSeparator string
on theStringSliceFlag
could solve it
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Can you try WithSeparatorSpec on the string slice flag ?
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could you give me a code hint for WithSeparatorSpec
on a StringSliceFlag
? May I do something wrong as Go newbie, because of unknown field 'WithSeparatorSpec' in struct literal of type cli.StringSliceFlag
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https://github.com/urfave/cli/blob/v2-maint/flag_string_slice.go#L181
Are you using the latest v2 release ?
from cli.
yes I do, v2.27.0
I still believe this is a syntax thing on my side
func GetCliFlags() []cli.Flag {
return []cli.Flag{
&cli.StringSliceFlag{
Name: "groups",
Value: cli.NewStringSlice("this,that,other", "foo"),
Usage: "Groups, can be given multiple times",
WithSeparatorSpec: cli.separatorSpec{sep: ";"},
}
}
from cli.
Ah no you need to do
func GetCliFlags() []cli.Flag {
ssflag := &cli.StringSliceFlag{
Name: "groups",
Value: cli.NewStringSlice("this,that,other", "foo"),
Usage: "Groups, can be given multiple times",
}
ssflag.WithSeparatorSpec(cli.separatorSpec{sep: ";"})
return []cli.Flag{
ssflag,
}
}
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Thanks for the hint, but it does not work as separatorSpec
is not exported (function starting with lower case). In the yet unreleased v3 this is even no longer available
./first.go:90:34: separatorSpec not exported by package cli
./first.go:90:48: unknown field 'sep' in struct literal of type cli.separatorSpec
I'll stay with v2, keep the setting globally and use no default value
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