func ExampleColumns() {
stream.Run(
stream.Items("hello world"),
stream.Columns(2, 3, 1),
stream.WriteLines(os.Stdout),
)
// Output:
// world hello
}
func ExampleItems() {
stream.Run(
stream.Items("hello", "world"),
stream.WriteLines(os.Stdout),
)
// Output:
// hello
// world
}
func ExampleNumberLines() {
stream.Run(
stream.Items("a", "b"),
stream.NumberLines(),
stream.WriteLines(os.Stdout),
)
// Output:
// 1 a
// 2 b
}
func ExampleReverse() {
stream.Run(
stream.Items("a", "b"),
stream.Reverse(),
stream.WriteLines(os.Stdout),
)
// Output:
// b
// a
}
func ExampleRun() {
err := stream.Run(
stream.Items("line 1", "line 2"),
stream.WriteLines(os.Stdout),
)
fmt.Println("error:", err)
// Output:
// line 1
// line 2
// error: <nil>
}
func ExampleSorter_By() {
stream.Run(
stream.Items("bananas", "apples", "pears"),
stream.Sort().By(func(a, b string) bool { return len(a) < len(b) }),
stream.WriteLines(os.Stdout),
)
// Output:
// pears
// apples
// bananas
}
func ExampleUniqWithCount() {
stream.Run(
stream.Items("a", "b", "b", "c"),
stream.UniqWithCount(),
stream.WriteLines(os.Stdout),
)
// Output:
// 1 a
// 2 b
// 1 c
}
func ExampleSort() {
stream.Run(
stream.Items("banana", "apple", "cheese", "apple"),
stream.Sort(),
stream.WriteLines(os.Stdout),
)
// Output:
// apple
// apple
// banana
// cheese
}
func ExampleUniq() {
stream.Run(
stream.Items("a", "b", "b", "c", "b"),
stream.Uniq(),
stream.WriteLines(os.Stdout),
)
// Output:
// a
// b
// c
// b
}
func ExampleMap() {
stream.Run(
stream.Items("hello", "there", "how", "are", "you?"),
stream.Map(func(s string) string {
return fmt.Sprintf("%d %s", len(s), s)
}),
stream.WriteLines(os.Stdout),
)
// Output:
// 5 hello
// 5 there
// 3 how
// 3 are
// 4 you?
}
func ExampleSorter_TextDecreasing() {
stream.Run(
stream.Items(
"10 bananas",
"20 apples",
"30", // Will sort first since column 2 is missing
),
stream.Sort().TextDecreasing(2),
stream.WriteLines(os.Stdout),
)
// Output:
// 10 bananas
// 20 apples
// 30
}
func ExampleSorter_NumDecreasing() {
stream.Run(
stream.Items(
"a 100",
"b 20",
"c notanumber",
"d",
),
stream.Sort().NumDecreasing(2),
stream.WriteLines(os.Stdout),
)
// Output:
// c notanumber
// a 100
// b 20
// d
}
func ExampleSorter_Num() {
stream.Run(
stream.Items(
"a 100",
"b 20.3",
"c notanumber", // Will sort last since column 2 is not a number
"d", // Will sort earliest since column 2 is missing
),
stream.Sort().Num(2),
stream.WriteLines(os.Stdout),
)
// Output:
// d
// b 20.3
// a 100
// c notanumber
}
func ExampleSort_multipleColumns() {
// Sort numerically by column 1. Break ties by sorting
// lexicographically by column 2.
stream.Run(
stream.Items(
"1970 march",
"1970 feb",
"1950 june",
"1980 sep",
),
stream.Sort().Num(1).Text(2),
stream.WriteLines(os.Stdout),
)
// Output:
// 1950 june
// 1970 feb
// 1970 march
// 1980 sep
}