Added -c|--config

config.go

@@ -0,0 +1,106 @@
+package main
+
+import (
+	"strings"
+)
+
+type Config struct {
+	File              string   `yaml:"file"`
+	Sort              string   `yaml:"sort"`
+	Reverse           bool     `yaml:"reverse"`
+	QueryString       bool     `yaml:"query_string"`
+	Tsv               bool     `yaml:"tsv"`
+	ApptimeLabel      string   `yaml:"apptime_label"`
+	SizeLabel         string   `yaml:"size_label"`
+	MethodLabel       string   `yaml:"method_label"`
+	UriLabel          string   `yaml:"uri_label"`
+	TimeLabel         string   `yaml:"time_label"`
+	Limit             int      `yaml:"limit"`
+	Includes          []string `yaml:"includes"`
+	Excludes          []string `yaml:"excludes"`
+	NoHeaders         bool     `yaml:no_headers`
+	Aggregates        []string `yaml:"aggregates"`
+	StartTime         string   `yaml:"start_time"`
+	EndTime           string   `yaml:"end_time"`
+	StartTimeDuration string   `yaml:"start_time_duration"`
+	EndTimeDuration   string   `yaml:"end_time_duration"`
+	IncludesStr       string
+	ExcludesStr       string
+	AggregatesStr     string
+}
+
+func SetConfig(config Config, arg Config) Config {
+	if arg.File != "" {
+		config.File = arg.File
+	}
+
+	if arg.Reverse {
+		config.Reverse = arg.Reverse
+	}
+
+	if arg.QueryString {
+		config.QueryString = arg.QueryString
+	}
+
+	if arg.Tsv {
+		config.Tsv = arg.Tsv
+	}
+
+	if config.ApptimeLabel == "" {
+		config.ApptimeLabel = arg.ApptimeLabel
+	}
+
+	if config.SizeLabel == "" {
+		config.SizeLabel = arg.SizeLabel
+	}
+
+	if config.MethodLabel == "" {
+		config.MethodLabel = arg.MethodLabel
+	}
+
+	if config.UriLabel == "" {
+		config.UriLabel = arg.UriLabel
+	}
+
+	if config.TimeLabel == "" {
+		config.TimeLabel = arg.TimeLabel
+	}
+
+	if config.Limit == 0 {
+		config.Limit = arg.Limit
+	}
+
+	if arg.IncludesStr != "" {
+		config.Includes = strings.Split(arg.IncludesStr, ",")
+	}
+
+	if arg.ExcludesStr != "" {
+		config.Excludes = strings.Split(arg.ExcludesStr, ",")
+	}
+
+	if arg.NoHeaders {
+		config.NoHeaders = arg.NoHeaders
+	}
+
+	if arg.AggregatesStr != "" {
+		config.Aggregates = strings.Split(arg.AggregatesStr, ",")
+	}
+
+	if arg.StartTime != "" {
+		config.StartTime = arg.StartTime
+	}
+
+	if arg.EndTime != "" {
+		config.EndTime = arg.EndTime
+	}
+
+	if arg.StartTimeDuration != "" {
+		config.StartTimeDuration = arg.StartTimeDuration
+	}
+
+	if arg.EndTimeDuration != "" {
+		config.EndTimeDuration = arg.EndTimeDuration
+	}
+
+	return config
+}

example/config.yml

@@ -0,0 +1,20 @@
+---
+file:          # access.log
+sort:          # max|min|avg|sum|cnt|uri|method|max-body|min-body|avg-body|sum-body
+reverse:       # boolean
+query_string:  # boolean
+tsv:           # boolean
+apptime_label: # apptime
+size_label:    # size
+method_label:  # method
+uri_label:     # uri
+time_label:    # time
+limit:         # 5000
+includes:      # array
+excludes:      # array
+no_headers:    # boolean
+aggregates:    # array
+start_time:    # 2006-01-02T15:04:05
+end_time:      # 2006-01-02 15:04:05
+start_time_duration: # 1m
+end_time_duration:   # 1h