Added globfilter command (#1650)

* Added globfilter command

* Kept the alphabetical order and applied other sugestions

* Used pandoc to update docs

7 files changed, 30 insertions, 10 deletions

diff --git a/diacritics_test.go b/diacritics_test.go
index 3e29cf2..1d71eea 100644
--- a/diacritics_test.go
+++ b/diacritics_test.go
@@ -61,7 +61,7 @@ func runSearch(t *testing.T, ignorecase, smartcase, ignorediacritics, smartdiacr
 	gOpts.smartcase = smartcase
 	gOpts.ignoredia = ignorediacritics
 	gOpts.smartdia = smartdiacritics
-	matched, _ := searchMatch(base, pattern)
+	matched, _ := searchMatch(base, pattern, false)
 	if matched != expected {
 		t.Errorf("False search for" +
 			" ignorecase = " + strconv.FormatBool(gOpts.ignorecase) + ", " +
diff --git a/doc.md b/doc.md
index faf38c9..e608e71 100644
--- a/doc.md
+++ b/doc.md
@@ -155,6 +155,7 @@ The following options can be used to customize the behavior of lf:
 	errorfmt            string    (default "\033[7;31;47m")
 	filesep             string    (default "\n")
 	findlen             int       (default 1)
+	globfilter          bool      (default false)
 	globsearch          bool      (default false)
 	hidden              bool      (default false)
 	hiddenfiles         []string  (default '.*')
@@ -749,6 +750,10 @@ File separator used in environment variables `fs` and `fx`.
 Number of characters prompted for the find command.
 When this value is set to 0, find command prompts until there is only a single match left.
 
+## globfilter (bool) (default false)
+
+Patterns are treated as globs for the filter command, see `globsearch` for more details.
+
 ## globsearch (bool) (default false)
 
 When this option is enabled, search command patterns are considered as globs, otherwise, they are literals.
diff --git a/doc.txt b/doc.txt
index 5910ce2..fd90003 100644
--- a/doc.txt
+++ b/doc.txt
@@ -145,6 +145,7 @@ The following options can be used to customize the behavior of lf:
     errorfmt            string    (default "\033[7;31;47m")
     filesep             string    (default "\n")
     findlen             int       (default 1)
+    globfilter          bool      (default false)
     globsearch          bool      (default false)
     hidden              bool      (default false)
     hiddenfiles         []string  (default '.*')
@@ -797,6 +798,11 @@ findlen (int) (default 1)
 Number of characters prompted for the find command. When this value is
 set to 0, find command prompts until there is only a single match left.
 
+globfilter (bool) (default false)
+
+Patterns are treated as globs for the filter command, see globsearch for
+more details.
+
 globsearch (bool) (default false)
 
 When this option is enabled, search command patterns are considered as
diff --git a/eval.go b/eval.go
index be3b1c2..c3282b3 100644
--- a/eval.go
+++ b/eval.go
@@ -96,14 +96,16 @@ func (e *setExpr) eval(app *app, args []string) {
 			}
 			app.ui.loadFile(app, true)
 		}
-	case "globsearch", "noglobsearch", "globsearch!":
-		err = applyBoolOpt(&gOpts.globsearch, e)
+	case "globfilter", "noglobfilter", "globfilter!":
+		err = applyBoolOpt(&gOpts.globfilter, e)
 		if err == nil {
 			app.nav.sort()
 			app.nav.position()
 			app.ui.sort()
 			app.ui.loadFile(app, true)
 		}
+	case "globsearch", "noglobsearch", "globsearch!":
+		err = applyBoolOpt(&gOpts.globsearch, e)
 	case "hidden", "nohidden", "hidden!":
 		err = applyBoolOpt(&gOpts.hidden, e)
 		if err == nil {
diff --git a/lf.1 b/lf.1
index 2bb3238..41f5f9c 100644
--- a/lf.1
+++ b/lf.1
@@ -163,6 +163,7 @@ dupfilefmt          string    (default \[aq]%f.\[ti]%n\[ti]\[aq])
 errorfmt            string    (default \[dq]\[rs]033[7;31;47m\[dq])
 filesep             string    (default \[dq]\[rs]n\[dq])
 findlen             int       (default 1)
+globfilter          bool      (default false)
 globsearch          bool      (default false)
 hidden              bool      (default false)
 hiddenfiles         []string  (default \[aq].*\[aq])
@@ -815,6 +816,10 @@ File separator used in environment variables \f[C]fs\f[R] and
 Number of characters prompted for the find command.
 When this value is set to 0, find command prompts until there is only a
 single match left.
+.SS globfilter (bool) (default false)
+.PP
+Patterns are treated as globs for the filter command, see
+\f[C]globsearch\f[R] for more details.
 .SS globsearch (bool) (default false)
 .PP
 When this option is enabled, search command patterns are considered as
diff --git a/nav.go b/nav.go
index f620222..acd2c1d 100644
--- a/nav.go
+++ b/nav.go
@@ -1756,7 +1756,7 @@ func (nav *nav) findPrev() (bool, bool) {
 	return false, false
 }
 
-func searchMatch(name, pattern string) (matched bool, err error) {
+func searchMatch(name, pattern string, glob bool) (matched bool, err error) {
 	if gOpts.ignorecase {
 		lpattern := strings.ToLower(pattern)
 		if !gOpts.smartcase || lpattern == pattern {
@@ -1771,7 +1771,7 @@ func searchMatch(name, pattern string) (matched bool, err error) {
 			name = removeDiacritics(name)
 		}
 	}
-	if gOpts.globsearch {
+	if glob {
 		return filepath.Match(pattern, name)
 	}
 	return strings.Contains(name, pattern), nil
@@ -1780,7 +1780,7 @@ func searchMatch(name, pattern string) (matched bool, err error) {
 func (nav *nav) searchNext() (bool, error) {
 	dir := nav.currDir()
 	for i := dir.ind + 1; i < len(dir.files); i++ {
-		if matched, err := searchMatch(dir.files[i].Name(), nav.search); err != nil {
+		if matched, err := searchMatch(dir.files[i].Name(), nav.search, gOpts.globsearch); err != nil {
 			return false, err
 		} else if matched {
 			return nav.down(i - dir.ind), nil
@@ -1788,7 +1788,7 @@ func (nav *nav) searchNext() (bool, error) {
 	}
 	if gOpts.wrapscan {
 		for i := 0; i < dir.ind; i++ {
-			if matched, err := searchMatch(dir.files[i].Name(), nav.search); err != nil {
+			if matched, err := searchMatch(dir.files[i].Name(), nav.search, gOpts.globsearch); err != nil {
 				return false, err
 			} else if matched {
 				return nav.up(dir.ind - i), nil
@@ -1801,7 +1801,7 @@ func (nav *nav) searchNext() (bool, error) {
 func (nav *nav) searchPrev() (bool, error) {
 	dir := nav.currDir()
 	for i := dir.ind - 1; i >= 0; i-- {
-		if matched, err := searchMatch(dir.files[i].Name(), nav.search); err != nil {
+		if matched, err := searchMatch(dir.files[i].Name(), nav.search, gOpts.globsearch); err != nil {
 			return false, err
 		} else if matched {
 			return nav.up(dir.ind - i), nil
@@ -1809,7 +1809,7 @@ func (nav *nav) searchPrev() (bool, error) {
 	}
 	if gOpts.wrapscan {
 		for i := len(dir.files) - 1; i > dir.ind; i-- {
-			if matched, err := searchMatch(dir.files[i].Name(), nav.search); err != nil {
+			if matched, err := searchMatch(dir.files[i].Name(), nav.search, gOpts.globsearch); err != nil {
 				return false, err
 			} else if matched {
 				return nav.down(i - dir.ind), nil
@@ -1821,7 +1821,7 @@ func (nav *nav) searchPrev() (bool, error) {
 
 func isFiltered(f os.FileInfo, filter []string) bool {
 	for _, pattern := range filter {
-		matched, err := searchMatch(f.Name(), strings.TrimPrefix(pattern, "!"))
+		matched, err := searchMatch(f.Name(), strings.TrimPrefix(pattern, "!"), gOpts.globfilter)
 		if err != nil {
 			log.Printf("Filter Error: %s", err)
 			return false
diff --git a/opts.go b/opts.go
index fc211e0..681673b 100644
--- a/opts.go
+++ b/opts.go
@@ -46,6 +46,7 @@ var gOpts struct {
 	dirpreviews        bool
 	drawbox            bool
 	dupfilefmt         string
+	globfilter         bool
 	globsearch         bool
 	hidden             bool
 	icons              bool
@@ -191,6 +192,7 @@ func init() {
 	gOpts.cursorpreviewfmt = "\033[4m"
 	gOpts.cutfmt = "\033[7;31m"
 	gOpts.hidecursorinactive = false
+	gOpts.globfilter = false
 	gOpts.globsearch = false
 	gOpts.hidden = false
 	gOpts.icons = false