Modify ls to use our internal structure
This commit is contained in:
Ian Adam Naval
parent
e2ed6a4111
commit
af72e66f8b
114
Makefile
114
Makefile
@ -1,57 +1,57 @@
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# Go parameters
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GOCMD=go
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GOBUILD=$(GOCMD) build
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GOCLEAN=$(GOCMD) clean
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GOINSTALL=$(GOCMD) install
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GOTEST=$(GOCMD) test
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GODEP=$(GOTEST) -i
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GOFMT=gofmt -w
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GOCOVER=$(GOCMD) tool cover
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COVER_DIR=cover
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# Package lists
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TOPLEVEL_PKG := jsh
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CMD_LIST := jsh/ps jsh/free jsh/ls
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# List building
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ALL_LIST = $(TOPLEVEL_PKG) $(CMD_LIST)
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BUILD_LIST = $(foreach int, $(ALL_LIST), $(int)_build)
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CLEAN_LIST = $(foreach int, $(ALL_LIST), $(int)_clean)
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INSTALL_LIST = $(foreach int, $(ALL_LIST), $(int)_install)
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IREF_LIST = $(foreach int, $(ALL_LIST), $(int)_iref)
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TEST_LIST = $(foreach int, $(ALL_LIST), $(int)_test)
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COVER_LIST = $(foreach int, $(ALL_LIST), $(int)_cover)
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FMT_TEST = $(foreach int, $(ALL_LIST), $(int)_fmt)
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# All are .PHONY for now because dependencyness is hard
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.PHONY: $(CLEAN_LIST) $(TEST_LIST) $(FMT_LIST) $(INSTALL_LIST) $(BUILD_LIST) $(IREF_LIST)
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all: install
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build: $(BUILD_LIST)
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clean: $(CLEAN_LIST)
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rm -rf $(COVER_DIR)
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install: $(INSTALL_LIST)
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test: $(TEST_LIST)
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cover: $(COVER_LIST)
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echo "Output in directory: $(COVER_DIR)"
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iref: $(IREF_LIST)
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fmt: $(FMT_TEST)
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$(BUILD_LIST): %_build: %_fmt %_iref
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$(GOBUILD) $*
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$(CLEAN_LIST): %_clean:
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$(GOCLEAN) $*
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$(INSTALL_LIST): %_install: %_fmt %_iref
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$(GOINSTALL) $*
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$(IREF_LIST): %_iref:
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$(GODEP) $*
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$(TEST_LIST): %_test:
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$(GOTEST) $*
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$(COVER_LIST): %_cover:
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mkdir -p $(COVER_DIR)/$*
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$(GOTEST) -coverprofile=$(COVER_DIR)/$*/c.out $*
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$(GOCOVER) -html=$(COVER_DIR)/$*/c.out -o $(COVER_DIR)/$*/index.html
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rm -f $(COVER_DIR)/$*/c.out
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$(FMT_TEST): %_fmt:
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[ -d ./$* ] && $(GOFMT) ./$* || $(GOFMT) .
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# Go parameters
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GOCMD=go
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GOBUILD=$(GOCMD) build
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GOCLEAN=$(GOCMD) clean
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GOINSTALL=$(GOCMD) install
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GOTEST=$(GOCMD) test
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GODEP=$(GOTEST) -i
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GOFMT=gofmt -w
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GOCOVER=$(GOCMD) tool cover
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COVER_DIR=cover
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# Package lists
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TOPLEVEL_PKG := jsh
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CMD_LIST := jsh/ps jsh/free jsh/ls jsh/cat jsh/df
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# List building
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ALL_LIST = $(TOPLEVEL_PKG) $(CMD_LIST)
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BUILD_LIST = $(foreach int, $(ALL_LIST), $(int)_build)
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CLEAN_LIST = $(foreach int, $(ALL_LIST), $(int)_clean)
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INSTALL_LIST = $(foreach int, $(ALL_LIST), $(int)_install)
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IREF_LIST = $(foreach int, $(ALL_LIST), $(int)_iref)
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TEST_LIST = $(foreach int, $(ALL_LIST), $(int)_test)
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COVER_LIST = $(foreach int, $(ALL_LIST), $(int)_cover)
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FMT_TEST = $(foreach int, $(ALL_LIST), $(int)_fmt)
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# All are .PHONY for now because dependencyness is hard
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.PHONY: $(CLEAN_LIST) $(TEST_LIST) $(FMT_LIST) $(INSTALL_LIST) $(BUILD_LIST) $(IREF_LIST)
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all: install
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build: $(BUILD_LIST)
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clean: $(CLEAN_LIST)
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rm -rf $(COVER_DIR)
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install: $(INSTALL_LIST)
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test: $(TEST_LIST)
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cover: $(COVER_LIST)
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echo "Output in directory: $(COVER_DIR)"
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iref: $(IREF_LIST)
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fmt: $(FMT_TEST)
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$(BUILD_LIST): %_build: %_fmt %_iref
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$(GOBUILD) $*
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$(CLEAN_LIST): %_clean:
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$(GOCLEAN) $*
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$(INSTALL_LIST): %_install: %_fmt %_iref
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$(GOINSTALL) $*
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$(IREF_LIST): %_iref:
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$(GODEP) $*
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$(TEST_LIST): %_test:
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$(GOTEST) $*
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$(COVER_LIST): %_cover:
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mkdir -p $(COVER_DIR)/$*
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$(GOTEST) -coverprofile=$(COVER_DIR)/$*/c.out $*
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$(GOCOVER) -html=$(COVER_DIR)/$*/c.out -o $(COVER_DIR)/$*/index.html
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rm -f $(COVER_DIR)/$*/c.out
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$(FMT_TEST): %_fmt:
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[ -d ./$* ] && $(GOFMT) ./$* || $(GOFMT) .
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14
files.go
Normal file
14
files.go
Normal file
@ -0,0 +1,14 @@
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package jsh
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type File struct {
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Name string
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Size int
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Mode int
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Inode uint64
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}
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type Permission struct {
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Read bool
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Write bool
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Execute bool
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}
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98
ls/main.go
98
ls/main.go
@ -4,72 +4,58 @@ import (
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"flag"
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"fmt"
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"io/ioutil"
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"jsh"
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"log"
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"strconv"
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"syscall"
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)
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func get_fileinfo(f string, size bool, mode bool, inode bool) string {
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var stat syscall.Stat_t
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var ret string
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ret = "{\"files\": [{\"name\":\"" + f + "\""
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if err := syscall.Stat(f, &stat); err != nil {
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log.Fatal(err)
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}
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if size {
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ret = ret + ", \"size\":" + strconv.FormatInt(stat.Size, 10)
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}
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if mode {
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ret = ret + ", \"mode\":" + strconv.Itoa(int(stat.Mode))
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}
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if inode {
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ret = ret + ", \"inode\":" + strconv.FormatUint(stat.Ino, 10)
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}
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ret = ret + "}]}"
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return ret
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}
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// func get_fileinfo(f string) string {
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func main() {
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// here be the ls flags
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var a_flag bool // all files, even ones starting with .
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var mode_flag bool // flags
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var inode_flag bool // inode
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var size_flag bool // size
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var first = true
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flag.BoolVar(&a_flag, "a", false, "lists all files in directory, even hidden ones")
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flag.BoolVar(&mode_flag, "f", false, "include flags for file")
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flag.BoolVar(&inode_flag, "i", false, "include flags for file")
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flag.BoolVar(&size_flag, "s", false, "include flags for file")
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// end ls flag
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// ret = ret + ", \"size\":" + strconv.FormatInt(stat.Size, 10)
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// ret = ret + ", \"mode\":" + strconv.Itoa(int(stat.Mode))
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// ret = ret + ", \"inode\":" + strconv.FormatUint(stat.Ino, 10)
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// ret = ret + "}]}"
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// return ret
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// }
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func listFiles(queue chan *jsh.JshFrame) {
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flag.Parse()
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root := "." //flag.Arg(0)
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dir, _ := ioutil.ReadDir(root)
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fmt.Printf("[{\"StdOut\": [\n")
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if !a_flag {
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for _, entry := range dir {
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if entry.Name()[0] != '.' {
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if !first {
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fmt.Printf(",")
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} else {
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first = false
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}
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fmt.Printf("%s\n", get_fileinfo(entry.Name(), size_flag, mode_flag, inode_flag))
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}
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for _, entry := range dir {
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var stat syscall.Stat_t
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if err := syscall.Stat(entry.Name(), &stat); err != nil {
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log.Fatal(err)
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}
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} else {
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for _, entry := range dir {
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if !first {
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fmt.Printf(",")
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} else {
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first = false
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}
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fmt.Printf("%s\n", get_fileinfo(entry.Name(), size_flag, mode_flag, inode_flag))
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if entry.Name()[0] != '.' {
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output := jsh.File{}
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output.Name = entry.Name()
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output.Size = int(stat.Size)
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output.Mode = int(stat.Mode)
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output.Inode = stat.Ino
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frame := jsh.JshFrame{output, ""}
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queue <- &frame
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}
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}
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fmt.Printf("], \"StdErr\": []}]\n")
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}
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func runJsonMode() {
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queue := make(chan *jsh.JshFrame)
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done := make(chan bool)
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go jsh.OutputFrames(queue, done)
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listFiles(queue)
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close(queue)
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<-done
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}
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func main() {
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// TODO: Support more flags
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jsonModePtr := flag.Bool("json", false, "whether to use json mode for input and output")
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flag.Parse()
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if !*jsonModePtr {
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fmt.Printf("%s", jsh.FallbackWithArgs("ls", flag.Args()))
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} else {
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runJsonMode()
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}
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}
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