fork download
copy 
  1. #!/bin/bash
  2. s='This is the first sample line 1
  3. this is the second sample line
  4. another line
  5.  
  6. total lines: 3 tot'
  7.  
  8. # Extract a non-whitespace chunk after a certain pattern
  9. grep -oP '^total lines:\s*\K\S+' <<< "$s"
  10.  
  11. # Extract a number after a pattern
  12. grep -oP '^total lines:\s*\K\d+(?:\.\d+)?' <<< "$s"
Success #stdin #stdout 0.01s 5580KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
3
3
https://ideone.com/CPbExn
language:
Bash (bash 5.0.3)
created:
4 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!