fork(1) download
copy 
  1. #!/bin/bash
  2. s='column1,column2,column3,column4'
  3. grep -Eo '^[^,]+,' <<< "$s"
Success #stdin #stdout 0s 4292KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
column1,
https://ideone.com/ev5fKa
language:
Bash (bash 5.0.3)
created:
7 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!