lk/basics/column.md

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2025-02-04 18:33:13 +00:00
---
title: "column"
tags: [ "basics", "format", "json" ]
---
Put output into column.
```bash
du -h /etc/* | column
```
Reformat file with an explicit separator (`-s`):
```bash
column -ts: /etc/passwd
```
Give columns names (`-N`), so you can hide some (`-H`):
```bash
column -ts: -N User,PW,UID,GID,Description,Home,shell -H PW,GID /etc/passwd
```
Reorder with `-O` (unspecified items remain):
```bash
column -ts: -N User,PW,UID,GID,Description,Home,shell -H PW,GID -O User,Description,shell /etc/passwd
```
Output to json format with `-J`:
```bash
column -J -ts: -H PW,GID,shell -N User,PW,UID,GID,Description,Home,shell /etc/passwd
```