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Fix: mlr -i nonesuch cat says mlr: empty IRS (#1980)

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* Fix: `mlr -i nonesuch cat` says `mlr: empty IRS`

* fix experr
This commit is contained in:
John Kerl 2026-02-17 15:30:28 -05:00 • committed by GitHub
parent 5c8c3b132a
commit e8c4187e67
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GPG key ID: B5690EEEBB952194
1 changed files with 20 additions and 4 deletions
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24
pkg/cli/option_parse.go
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@ -34,13 +34,25 @@ func FinalizeReaderOptions(readerOptions *TReaderOptions) error {
readerOptions.IPS = lib.UnhexStringLiteral(readerOptions.IPS)
if !readerOptions.ifsWasSpecified {
readerOptions.IFS = defaultFSes[readerOptions.InputFileFormat]
if fs, ok := defaultFSes[readerOptions.InputFileFormat]; ok {
readerOptions.IFS = fs
} else {
return fmt.Errorf("unrecognized input format %q", readerOptions.InputFileFormat)
}
}
if !readerOptions.ipsWasSpecified {
readerOptions.IPS = defaultPSes[readerOptions.InputFileFormat]
if ps, ok := defaultPSes[readerOptions.InputFileFormat]; ok {
readerOptions.IPS = ps
} else {
return fmt.Errorf("unrecognized input format %q", readerOptions.InputFileFormat)
}
}
if !readerOptions.irsWasSpecified {
readerOptions.IRS = defaultRSes[readerOptions.InputFileFormat]
if rs, ok := defaultRSes[readerOptions.InputFileFormat]; ok {
readerOptions.IRS = rs
} else {
return fmt.Errorf("unrecognized input format %q", readerOptions.InputFileFormat)
}
}
if !readerOptions.allowRepeatIFSWasSpecified {
// Special case for Miller 6 upgrade -- now that we have regexing for mixes of tabs
@ -49,7 +61,11 @@ func FinalizeReaderOptions(readerOptions *TReaderOptions) error {
if readerOptions.InputFileFormat == "nidx" && !readerOptions.ifsWasSpecified {
readerOptions.IFSRegex = lib.CompileMillerRegexOrDie(WHITESPACE_REGEX)
} else {
readerOptions.AllowRepeatIFS = defaultAllowRepeatIFSes[readerOptions.InputFileFormat]
if allowRepeatIFS, ok := defaultAllowRepeatIFSes[readerOptions.InputFileFormat]; ok {
readerOptions.AllowRepeatIFS = allowRepeatIFS
} else {
return fmt.Errorf("unrecognized input format %q", readerOptions.InputFileFormat)
}
}
}