12-24-2009
Yes, it acts as an or. But it takes everything into consideration, including the spaces. So your first example means "look for the string 'd ' or the string ' a'", both of which do no appear. In the second example, the string ' d' does appear and resolves to a true value, thus printing the line.
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LEARN ABOUT DEBIAN
go-list
GO-LIST(1) General Commands Manual GO-LIST(1)
NAME
go - tool for managing Go source code
SYNOPSIS
go list [-e] [-f format] [-json] [ packages ]
DESCRIPTION
List lists the packages named by the import paths, one per line.
The default output shows the package import path:
code.google.com/p/google-api-go-client/books/v1
code.google.com/p/goauth2/oauth
code.google.com/p/sqlite
OPTIONS
-f The -f flag specifies an alternate format for the list, using the syntax of package template. The default output is equivalent to
-f '{{.ImportPath}}'. The struct being passed to the template is:
type Package struct {
Dir string // directory containing package sources
ImportPath string // import path of package in dir
Name string // package name
Doc string // package documentation string
Target string // install path
Goroot bool // is this package in the Go root?
Standard bool // is this package part of the standard Go library?
Stale bool // would 'go install' do anything for this package?
Root string // Go root or Go path dir containing this package
// Source files
GoFiles []string // .go source files (excluding CgoFiles, TestGoFiles, XTestGoFiles)
CgoFiles []string // .go sources files that import "C"
CFiles []string // .c source files
HFiles []string // .h source files
SFiles []string // .s source files
SysoFiles []string // .syso object files to add to archive
// Cgo directives
CgoCFLAGS []string // cgo: flags for C compiler
CgoLDFLAGS []string // cgo: flags for linker
CgoPkgConfig []string // cgo: pkg-config names
// Dependency information
Imports []string // import paths used by this package
Deps []string // all (recursively) imported dependencies
// Error information
Incomplete bool // this package or a dependency has an error
Error *PackageError // error loading package
DepsErrors []*PackageError // errors loading dependencies
TestGoFiles []string // _test.go files in package
TestImports []string // imports from TestGoFiles
XTestGoFiles []string // _test.go files outside package
XTestImports []string // imports from XTestGoFiles
}
-json The -json flag causes the package data to be printed in JSON format instead of using the template format.
-e The -e flag changes the handling of erroneous packages, those that cannot be found or are malformed. By default, the list command
prints an error to standard error for each erroneous package and omits the packages from consideration during the usual printing.
With the -e flag, the list command never prints errors to standard error and instead processes the erroneous packages with the usual
printing. Erroneous packages will have a non-empty ImportPath and a non-nil Error field; other information may or may not be miss-
ing (zeroed).
For more about specifying packages, see go-packages(7).
AUTHOR
This manual page was written by Michael Stapelberg <stapelberg@debian.org>, for the Debian project (and may be used by others).
2012-05-13 GO-LIST(1)