# README
paw
Functions
io
LineCount
LineCount counts the number of \n for reader r
func LineCount(r io.Reader) (int, error)
modify from "github.com/liuzl/goutil"
FileLineCount
FileLineCount counts the number of \n for file f
f
: could be gzip file or plain text file
func FileLineCount(f string) (int, error)
modify from "github.com/liuzl/goutil"
ForEachLine
ForEachLine higher order function that processes each line of text by callback function.
The last non-empty line of input will be processed even if it has no newline.
br
: read from br reader
callback
: the function used to treatment the every line from br
func ForEachLine(br *bufio.Reader, callback func(string) error) error
modify from "github.com/liuzl/goutil"
path
IsFileExist
IsFileExist return true that fileName exist or false for not exist
func IsFileExist(fileName string) bool
IsDirExists
IsDirExists return true that dir is directory or false for not
func IsDirExists(dir string) bool
web
GetTitleAndURL
GetTitleAndURL get the title and URL of active tab of the current window of browser
browser
: - "edge" for "Microsoft Edge" (default)
: - "chrome" for "Google Chrome"
func GetTitleAndURL(browser string) (t, u string, err error)
GetTitle
GetTitle get the title of active tab of the current window of browser
func GetTitle(browser string) (string, error)
GetURL
GetURL get the URL of active tab of the current window of browser
func GetURL(browser string) (string, error)
text or string
GetAbbrString
GetAbbrString return a abbreviation string 'xxx...' of str with maximum length maxlen.
func GetAbbrString(str string, maxlen int) string
CountPlaceHolder
CountPlaceHolder return nHan and nASCII
nHan
: number of occupied space in terminal for han-character
nASCII
: number of occupied space in terminal for ASCII-character
func CountPlaceHolder(str string) (nHan int, nASCII int)
HasChineseChar
HasChineseChar return true for that str include chinese character
func HasChineseChar(str string) bool