fix #46: check sort array index before using it for sorting (#48)

.woodpecker/image.yaml

@@ -1,32 +0,0 @@
-# https://woodpecker-ci.org/plugins/docker-buildx
-# enable Package unit and go to /scip/-/packages after building to link to proj
-
-variables:
-  - &repo codeberg.org/${CI_REPO_OWNER}/tablizer
-
-steps:
-  dryrun:
-    image: docker.io/woodpeckerci/plugin-docker-buildx:latest
-    settings:
-      dockerfile: Dockerfile
-      platforms: linux/amd64
-      dry_run: true
-      repo: *repo
-      tags: latest
-    when:
-      event: [pull_request]
-
-  publish:
-    image: docker.io/woodpeckerci/plugin-docker-buildx:latest
-    settings:
-      dockerfile: Dockerfile
-      platforms: linux/amd64
-      repo: *repo
-      registry: codeberg.org
-      tags: latest,${CI_COMMIT_SHA:0:8},${CI_COMMIT_TAG}
-      username: ${CI_REPO_OWNER}
-      password:
-        from_secret: REGISTRY_TOKEN
-    when:
-      event: [tag]
-      branch: main

lib/sort.go

@@ -23,8 +23,8 @@ import (
 	"sort"
 	"strconv"
 
-	"github.com/araddon/dateparse"
 	"codeberg.org/scip/tablizer/cfg"
+	"github.com/araddon/dateparse"
 )
 
 func sortTable(conf cfg.Config, data *Tabdata) {
@@ -38,6 +38,12 @@ func sortTable(conf cfg.Config, data *Tabdata) {
 		return
 	}
 
+	for _, column := range conf.UseSortByColumn {
+		if column > len(data.headers) {
+			return
+		}
+	}
+
 	// actual sorting
 	sort.SliceStable(data.entries, func(i, j int) bool {
 		// holds the result of a sort of one column