Shell Programming and Scripting

gawk '{match($0,/The Thing [A-Z][^[:space:]]*[[:space:]]/,arr); print arr[0]}' test

$ awk '/The Thing/ {for (i=1;i<=NF;i++){if ($i~/^[A-Z]/){printf "%s ",$i}}}{printf RS}' x
The Thing That Are Like Men's Eyewear
The Thing I Only
The Thing I
The Thing I Also Want.

$ cat x
those are The Thing That Are Like Men's Eyewear even if bla bla.
those are the The Thing I Only go for whatever.
these are the The Thing I dont want.
those are the The Thing I Also Want.
those are the.
$

perl -ne 'if(/The Thing/){foreach (split(/\s+/)) { print "$_ " if (substr($_,0,1)=~/[A-Z]/)} printf "\n";}' x

perl -lne '$,=" ";print /[A-Z]\s+|\s+[A-Z]$|[A-Z].+?\s+|[A-Z].+?$/g'

awk 'match($0,/The Thing([[:space:]]*[[:upper:]][^[:space:]]*)*/) { print substr($0,RSTART,RLENGTH) }' input
The Thing I Only
The Thing That Are Like Men's Eyewear

#!/usr/bin/awk -f
 
{
  offset=0
  while (match(substr($0,offset+1),/The Thing([[:space:]]*[[:upper:]][^[:space:]]*)*/))
  {
    print substr($0,RSTART+offset,RLENGTH)
    offset+=RSTART+RLENGTH
  }
}

[mute@geek ~/temp/louisJ]$ cat input
some would say The Thing He Wants and The Thing She Gives Him are not The Thing That Matters Most. :(
This Thing and The Thing like Another Thing
I HAVE NOT The Thing TO DO WITH IT! The Thing Is Not Here it is there
 
[mute@geek ~/temp/louisJ]$ ./script input
The Thing He Wants
The Thing She Gives Him
The Thing That Matters Most.
The Thing
The Thing TO DO WITH IT! The Thing Is Not Here

 Combining greatness with lightweight origination, The Thing Men’s Are To Get offers way-compatible alpine comfort. Originated with effective Roubilflex® One and wrapped in a tight, waterfall HaavVeont® 
Alpha coat, versatility is a hallmark of this thing. The hat is removable, fully rullable and has a laminated tissu. Zips aid ventilation during sports. Styled in a good, athletic fit. The Thing Men’s Are To Get is a 
fishing jacket that provides environmental coolenss and origination with the range of technical things you would expect from a trusted Every Series™ offing coat.

 The Thing Men’s Are To Get Roubilflex® One HaavVeont® Alpha The  Thing Men’s Are To Get Every Series™