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Merge pull request #1492 from nak3/fs-update 

Add validation of -n and -c options
This commit is contained in:
Alex Dadgar 2016-08-01 17:04:45 -07:00 committed by GitHub
parent f304ec9e53 5edffb6025
commit b4a661ca7d
1 changed files with 7 additions and 4 deletions
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9
command/fs.go
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@ -56,8 +56,8 @@ FS Specific Options:
Show file stat information instead of displaying the file, or listing the directory.
-f
Causes the output to not stop when the end of the file is reached, but
rather to wait for additional output.
Causes the output to not stop when the end of the file is reached, but rather to
wait for additional output.
-tail
Show the files contents with offsets relative to the end of the file. If no
@ -262,7 +262,10 @@ func (f *FSCommand) Run(args []string) int {
var offset int64 = defaultTailLines * bytesToLines
if nLines, nBytes := numLines != -1, numBytes != -1; nLines && nBytes {
f.Ui.Error("Both -n and -c set")
f.Ui.Error("Both -n and -c are not allowed")
return 1
} else if numLines < -1 || numBytes < -1 {
f.Ui.Error("Invalid size is specified")
return 1
} else if nLines {
offset = numLines * bytesToLines