Move shortcut options from oviewer to main

Transferred shortcut handling for align and raw
from oviewer/oviewer.go to main.go.

main.go

@@ -45,6 +45,11 @@ var (
 	completion string
 	// execCommand targets the output of executing the command.
 	execCommand bool
+
+	// alignF is align column.
+	alignF bool
+	// rawF is raw output of escape sequences.
+	rawF bool
 )
 
 var (
@@ -99,6 +104,13 @@ It supports various compressed files(gzip, bzip2, zstd, lz4, and xz).
 			config.General.SectionHeader = true
 		}
 
+		// Set a converter by specifying flag.
+		if alignF {
+			config.General.Converter = "align"
+		} else if rawF {
+			config.General.Converter = "raw"
+		}
+
 		// Set a global variable to convert to a style before opening the file.
 		oviewer.OverStrikeStyle = oviewer.ToTcellStyle(config.StyleOverStrike)
 		oviewer.OverLineStyle = oviewer.ToTcellStyle(config.StyleOverLine)
@@ -358,8 +370,8 @@ func init() {
 	rootCmd.PersistentFlags().StringVarP(&nonMatchFilter, "non-match-filter", "", "", "filter non match search pattern")
 	rootCmd.PersistentFlags().BoolVarP(&oviewer.SkipExtract, "skip-extract", "", false, "skip extracting compressed files")
 
-	rootCmd.PersistentFlags().BoolVarP(&oviewer.AlignF, "align", "", false, "align column")
-	rootCmd.PersistentFlags().BoolVarP(&oviewer.RawF, "raw", "", false, "raw output of escape sequences")
+	rootCmd.PersistentFlags().BoolVarP(&alignF, "align", "l", false, "align column")
+	rootCmd.PersistentFlags().BoolVarP(&rawF, "raw", "r", false, "raw output of escape sequences")
 
 	// Config.General
 	rootCmd.PersistentFlags().StringP("converter", "", "es", "converter [es|raw|align]")

oviewer/oviewer.go

@@ -373,12 +373,6 @@ const (
 
 var Shrink rune = '…'
 
-// RawF is specifies converter shortcut for raw.
-var RawF bool
-
-// AlignF is specifies converter shortcut for align.
-var AlignF bool
-
 var (
 	// ErrOutOfRange indicates that value is out of range.
 	ErrOutOfRange = errors.New("out of range")
@@ -706,13 +700,6 @@ func (root *Root) prepareRun(ctx context.Context) error {
 		root.Screen.EnableMouse(MouseFlags)
 	}
 
-	if RawF {
-		root.General.Converter = convRaw
-	}
-	if AlignF {
-		root.General.Converter = convAlign
-	}
-
 	if root.Config.ShrinkChar != "" {
 		Shrink = []rune(root.Config.ShrinkChar)[0]
 	}