github.com/Schaudge/grailbase@v0.0.0-20240223061707-44c758a471c0/cmdutil/output.go (about)

     1  // Copyright 2018 GRAIL, Inc. All rights reserved.
     2  // Use of this source code is governed by the Apache-2.0
     3  // license that can be found in the LICENSE file.
     4  
     5  package cmdutil
     6  
     7  import (
     8  	"fmt"
     9  	"io"
    10  
    11  	"v.io/x/lib/textutil"
    12  )
    13  
    14  // WriteWrappedMessage writes the message to the specified io.Writer taking
    15  // care to line wrap it appropriately for the terminal width.
    16  func WriteWrappedMessage(w io.Writer, m string) {
    17  	_, cols, err := textutil.TerminalSize()
    18  	if err != nil {
    19  		fmt.Fprintf(w, "%s", m)
    20  		return
    21  	}
    22  	wrapped := textutil.NewUTF8WrapWriter(w, cols)
    23  	fmt.Fprintf(wrapped, "%s", m)
    24  	wrapped.Flush()
    25  }