func ExampleRead() {
grep := sh.Cmd("grep")
name := "ExampleReadTest"
f, cleanup := openTempFile(name, SWCrawl)
defer cleanup()
fmt.Print(sh.Pipe(sh.Read(f), grep("far")))
// output:
// A long time ago, in a galaxy far, far away....
}
func ExampleDump() {
grep := sh.Cmd("grep")
name := "ExampleDumpTest"
defer writeTempFile(name, SWCrawl)()
// Equivalent of shell command
// $ cat ExampleDumpTest | grep far
fmt.Print(sh.Pipe(sh.Dump(name), grep("far")))
// output:
// A long time ago, in a galaxy far, far away....
}
func ExamplePipe() {
echo := sh.Cmd("echo")
// note, you can "bake in" arguments when you create these functions.
upper := sh.Cmd("tr", "[:lower:]", "[:upper:]")
grep := sh.Cmd("grep")
// Equivalent of shell command:
// $ echo Hi there! | grep -o Hi | wc -w
fmt.Print(sh.Pipe(echo(SWCrawl), grep("far"), upper()))
// output:
// A LONG TIME AGO, IN A GALAXY FAR, FAR AWAY....
}