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Fix RegEx for grep type #162

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Merged
vrothberg merged 1 commit into from
Oct 31, 2021
Merged

Fix RegEx for grep type #162

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3 changes: 2 additions & 1 deletion vgrep.go
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Original file line number Diff line number Diff line change
Expand Up @@ -259,7 +259,8 @@ func (v *vgrep) getGrepType() (grepType string) {
out, _ := v.runCommand([]string{"grep", "--version"}, "")
versionString := out[0]
// versionString = "grep (BSD grep) 2.5.1-FreeBSD"
versionRegex := regexp.MustCompile(`\(([[:alpha:]]+) grep\)`)
// versionString = "grep (BSD grep, GNU compatible) 2.6.0-FreeBSD"
versionRegex := regexp.MustCompile(`\(([[:alpha:]]+) grep`)
// versionRegex matches to ["(BSD grep)", "BSD"], return "BSD"
grepType = versionRegex.FindStringSubmatch(versionString)[1]
return
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