From df39a1e35eb70e14d611502e1cc040609440b621 Mon Sep 17 00:00:00 2001
From: Noboru Saito <noborusai@gmail.com>
Date: Thu, 26 Dec 2024 21:53:09 +0900
Subject: [PATCH] Added explanation for `-itext` in README.md

---
 README.md | 43 ++++++++++++++++++++++++++++++++-----------
 1 file changed, 32 insertions(+), 11 deletions(-)

diff --git a/README.md b/README.md
index f855c84..e6d7eac 100644
--- a/README.md
+++ b/README.md
@@ -50,11 +50,12 @@ For usage as a library, please refer to the [godoc](https://pkg.go.dev/github.co
   * 4.11. [JSONL(NDJSON)](#jsonl(ndjson))
   * 4.12. [YAML](#yaml)
   * 4.13. [TBLN](#tbln)
-  * 4.14. [WIDTH](#width)
-  * 4.15. [TEXT](#text)
-  * 4.16. [Raw output](#raw-output)
-  * 4.17. [ASCII Table & MarkDown output](#ascii-table-&-markdown-output)
-  * 4.18. [Vertical format output](#vertical-format-output)
+  * 4.14. [TEXT](#text)
+  * 4.15. [WIDTH](#width)
+  * 4.16. [TEXT](#text-1)
+  * 4.17. [Raw output](#raw-output)
+  * 4.18. [ASCII Table & MarkDown output](#ascii-table-&-markdown-output)
+  * 4.19. [Vertical format output](#vertical-format-output)
 * 5. [SQL](#sql)
   * 5.1. [SQL function](#sql-function)
   * 5.2. [JOIN](#join)
@@ -88,7 +89,7 @@ make install
 
 ####  1.1.1. <a name='requirements'></a>Requirements
 
-go 1.19 or higher.
+go 1.22 or higher.
 
 ###  1.2. <a name='download-binary'></a>Download binary
 
@@ -776,7 +777,27 @@ $ trdsql -otbln "SELECT c1::int as id, c2::text as name FROM test.csv"
 TBLN can contain column names and type definitions.
 Please refer to <https://tbln.dev/> for details of TBLN.
 
-###  4.14. <a name='width'></a>WIDTH
+###  4.14. <a name='text'></a>TEXT
+
+`-itext` is input from TEXT.
+
+`-itext` treats the text up to the end of the line as a single column. When combined with `-inum`, it can be used as a table with line numbers and text.
+
+```console
+$ cat sample.txt
+This is a sample text.
+Another line of text.
+Yet another line.
+```
+
+```console
+$ trdsql -itext -inum "SELECT * FROM sample.txt"
+1,This is a sample text.
+2,Another line of text.
+3,Yet another line.
+```
+
+###  4.15. <a name='width'></a>WIDTH
 
 `-iwidth` inputs the format specifying the width.
 This is used when the header column width represents the body column width.
@@ -795,7 +816,7 @@ But `-id " "` does not recognize spaces in columns very well.
 
 `-iwidth` recognizes column widths and space separators.
 
-###  4.15. <a name='text'></a>TEXT
+###  4.16. <a name='text-1'></a>TEXT
 
 The `-itext` option or files with “.text”extension are in text format.
 
@@ -828,7 +849,7 @@ $ trdsql -inum "SELECT * FROM test.text"
 5,c
 ```
 
-###  4.16. <a name='raw-output'></a>Raw output
+###  4.17. <a name='raw-output'></a>Raw output
 
 `-oraw` is Raw Output.
 It is used when "escape processing is unnecessary" in CSV output.
@@ -853,7 +874,7 @@ $ trdsql -oraw -od "\t|\t" -db pdb "SELECT * FROM test.csv"
 3	|	Apple
 ```
 
-###  4.17. <a name='ascii-table-&-markdown-output'></a>ASCII Table & MarkDown output
+###  4.18. <a name='ascii-table-&-markdown-output'></a>ASCII Table & MarkDown output
 
 `-oat` is ASCII table output.
 
@@ -881,7 +902,7 @@ $ trdsql -omd "SELECT * FROM test.csv"
 
 The `-onowrap` option does not wrap long columns in `at` or `md` output.
 
-###  4.18. <a name='vertical-format-output'></a>Vertical format output
+###  4.19. <a name='vertical-format-output'></a>Vertical format output
 
 -ovf is Vertical format output("column name | value" vertically).