From 1b2f15ec8e09ba0396390f8bf82a05b6b0ad6aba Mon Sep 17 00:00:00 2001
From: Gleb Koval <gleb@koval.net>
Date: Mon, 8 Nov 2021 21:18:55 +0000
Subject: [PATCH] transpose-file

---
 transpose-file/file.txt |  3 +++
 transpose-file/sol.sh   | 10 ++++++++++
 2 files changed, 13 insertions(+)
 create mode 100644 transpose-file/file.txt
 create mode 100755 transpose-file/sol.sh

diff --git a/transpose-file/file.txt b/transpose-file/file.txt
new file mode 100644
index 0000000..c2d39ae
--- /dev/null
+++ b/transpose-file/file.txt
@@ -0,0 +1,3 @@
+name age
+alice 21
+ryan 30
diff --git a/transpose-file/sol.sh b/transpose-file/sol.sh
new file mode 100755
index 0000000..d3277e9
--- /dev/null
+++ b/transpose-file/sol.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+lines=$(grep -oP '(?<![^ \n])[^ \n]+(?![^ \n])' file.txt)
+n=$(sed "1q;d" file.txt | wc -w)
+top=$(expr $n - 1)
+for i in $(seq 1 $top); do
+	echo $(echo $lines | tr " " "\n" | awk "NR % $n == $i")
+done
+echo $(echo $lines | tr " " "\n" | awk "NR % $n == 0")
+