files

func Exists ¶

func Exists(path string) (bool, error)

Exists returns whether or not the given file or directory exists

func Pwd ¶

func Pwd() (string, error)

Pwd returns the present working directory

func ReadLinesChannel ¶

func ReadLinesChannel(filePath string) (<-chan string, error)

ReadLinesChannel reads a text file line by line into a channel.

c, err := fileutil.ReadLinesChannel(fileName)
if err != nil {
   log.Fatalf("readLines: %s\n", err)
}
for line := range c {
   fmt.Printf("  Line: %s\n", line)
}

nil is returned (with the error) if there is an error opening the file

func ReadLinesSlice ¶

func ReadLinesSlice(path string) ([]string, error)

ReadLinesSlice reads a text file line by line into a slice of strings. Not recommended for use with very large files due to the memory needed.

lines, err := fileutil.ReadLinesSlice(filePath)
if err != nil {
    log.Fatalf("readLines: %s\n", err)
}
for i, line := range lines {
    fmt.Printf("  Line: %d %s\n", i, line)
}

nil is returned if there is an error opening the file

func ReadPropertiesFile ¶

func ReadPropertiesFile(fileName string) (map[string]string, error)

Reads name-value pairs from a properties file Property file has lines in the format of "name = value" (leading and trailing spaces are ignored)

func TempFileName ¶

func TempFileName(prefix, suffix string) string

TempFileName generates a temporary filename for use in testing or whatever

func WriteLinesSlice ¶

func WriteLinesSlice(lines []string, path string) error

WriteLinesSlice writes the given slice of lines to the given file.