fork download 
#!/bin/bash

sed -E 's/^(st=([^&]*))?&?(c=([^&]*))?&?(t=([^&]*))?&?(k=([^&]*))? HTTP$/\2,\4,\6,\8/'
Success #stdin #stdout 0s 5072KB
comments (?)
stdin 
st=expand&c=22&t=button&k=fun HTTP
c=22&t=button&k=fun HTTP
st=expand&c=22&t=party&k=fun HTTP
st=expand&c=22&k=fun HTTP
st=expand HTTP
 HTTP
stdout 
expand,22,button,fun
,22,button,fun
expand,22,party,fun
expand,22,,fun
expand,,,
,,,
https://ideone.com/GNRNGp
language:
Bash (bash 5.0.3)
created:
10 years ago
visibility:
secret

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