$ grep -i '/prog/ challenge' subject.txt | awk -F '<>' '{print $1, "
http://dis.4chan.org/read/prog/" $4,"(" $5,"replies)"}'
/PROG/ CHALLENGE
http://dis.4chan.org/read/prog/1297292711 (4 replies)
/prog/ challenge
http://dis.4chan.org/read/prog/1297263165 (18 replies)
/prog/ challenge (can /prog/ beat /code/)
http://dis.4chan.org/read/prog/1192401186 (78 replies)
New /prog/ Challenge!
http://dis.4chan.org/read/prog/1276191459 (86 replies)
/prog/ Challenge
http://dis.4chan.org/read/prog/1296572520 (6 replies)
Official /prog/ challenge
http://dis.4chan.org/read/prog/1295431068 (12 replies)
/prog/ Challenge
http://dis.4chan.org/read/prog/1295634343 (6 replies)
/prog/ CHALLENGE 2011
http://dis.4chan.org/read/prog/1295093749 (36 replies)
/prog/ challenge!
http://dis.4chan.org/read/prog/1295234759 (16 replies)
/prog/ challenge: me, you, and The Sussman
http://dis.4chan.org/read/prog/1287828919 (71 replies)
/prog/ challenge
http://dis.4chan.org/read/prog/1209440227 (39 replies)
/prog/ challenge [HASKELL]
http://dis.4chan.org/read/prog/1210352531 (89 replies)
/prog/ Challenge [Extremely Hard]
http://dis.4chan.org/read/prog/1209411529 (34 replies)
♀ /prog/ Challenge Vol. 8 ♀
http://dis.4chan.org/read/prog/1277834662 (161 replies)
/prog/ Challenge [Extremely Easy]
http://dis.4chan.org/read/prog/1209252040 (116 replies)
/prog/ challenge?
http://dis.4chan.org/read/prog/1271519757 (27 replies)
/prog/ challenge: Write a text editor
http://dis.4chan.org/read/prog/1278402110 (61 replies)
/PROG/ Challenge Number 4 - ToyLanguage
http://dis.4chan.org/read/prog/1189821126 (28 replies)
/prog/ challenge #6001
http://dis.4chan.org/read/prog/1246501382 (6 replies)
05-09-2010 /prog/ Challenge
http://dis.4chan.org/read/prog/1283746001 (15 replies)
/prog/ challenge
http://dis.4chan.org/read/prog/1194134845 (34 replies)
/prog/ Challenge 9 (?)
http://dis.4chan.org/read/prog/1192061567 (9 replies)
☆☆/prog/ challenge ☆☆ [hard mode]
http://dis.4chan.org/read/prog/1279037483 (28 replies)
Really Hard /prog/ Challenge
http://dis.4chan.org/read/prog/1280003629 (36 replies)
/prog/ Challenge
http://dis.4chan.org/read/prog/1280379329 (41 replies)
New /prog/ challenge
http://dis.4chan.org/read/prog/1232348329 (71 replies)
/PROG/ Challenge Number 3 - Pi
http://dis.4chan.org/read/prog/1189737568 (65 replies)
/PROG/ Challenge Number 7 - Post
http://dis.4chan.org/read/prog/1190636939 (15 replies)
Advance /prog/ Challenge
http://dis.4chan.org/read/prog/1284348740 (13 replies)
New /prog/ challenge
http://dis.4chan.org/read/prog/1199544799 (24 replies)
/prog/ Challenge [Easy]
http://dis.4chan.org/read/prog/1210183257 (34 replies)
Real /prog/ challenge
http://dis.4chan.org/read/prog/1189534981 (28 replies)
/prog/ challenge
http://dis.4chan.org/read/prog/1285673563 (5 replies)
♥ /prog/ Challenge Vol. 6 ♥
http://dis.4chan.org/read/prog/1277248080 (17 replies)
/prog/ challenge
http://dis.4chan.org/read/prog/1289946640 (40 replies)
/prog/ Challenge
http://dis.4chan.org/read/prog/1280527803 (12 replies)
★ /prog/ Challenge Summer Edition ★
http://dis.4chan.org/read/prog/1285136045 (36 replies)
/prog/ Challenge [Impossible]
http://dis.4chan.org/read/prog/1209707559 (7 replies)
/prog/ challenge #10
http://dis.4chan.org/read/prog/1199652588 (19 replies)
/prog/ Challenge
http://dis.4chan.org/read/prog/1282141375 (34 replies)
☆/prog/ challenge ☆ [hard mode]
http://dis.4chan.org/read/prog/1286700747 (12 replies)
¶ /prog/ Challenge Vol. A ¶ Code Golf ¶
http://dis.4chan.org/read/prog/1284407677 (48 replies)
/prog/ Challenge -- Hydrocarbons [Heroic]
http://dis.4chan.org/read/prog/1281304233 (62 replies)
/prog/ Challenge: Design your own toy CPU
http://dis.4chan.org/read/prog/1279053889 (12 replies)
⋊ /prog/ Challenge Vol. 9 ⋉
http://dis.4chan.org/read/prog/1278346698 (14 replies)
★ /prog/ Challenge Vol. 5 ★
http://dis.4chan.org/read/prog/1276314712 (177 replies)
/prog/ challenge: ``proper quotes''
http://dis.4chan.org/read/prog/1218584867 (106 replies)
/prog/ Challenge
http://dis.4chan.org/read/prog/1211134887 (48 replies)
Impossible /prog/ challenge
http://dis.4chan.org/read/prog/1210802212 (7 replies)
The /prog/ challenge
http://dis.4chan.org/read/prog/1210262199 (24 replies)
/prog/ Challenge #5
http://dis.4chan.org/read/prog/1209276142 (23 replies)
/prog/ Challenge [Very Easy]
http://dis.4chan.org/read/prog/1209148231 (72 replies)
/prog/ Challenge Number 6
http://dis.4chan.org/read/prog/1195149984 (14 replies)
/PROG/ Challenge Number 8 - Virtual Machine
http://dis.4chan.org/read/prog/1191968620 (50 replies)
/PROG/ CHALLENGE NUMBER 6
http://dis.4chan.org/read/prog/1190553561 (7 replies)
/PROG/ Challenge Number 5 - Never gona
http://dis.4chan.org/read/prog/1190525177 (38 replies)
Practical /Prog/ Challenge
http://dis.4chan.org/read/prog/1189285965 (139 replies)
/prog/ Challenge
http://dis.4chan.org/read/prog/1188931649 (96 replies)
58 challenges