Input hosts_access_log_01.txt
Our output:
NASA-logosmall.gif
livevideo.gif
count.gif
NASA-logosmall.gif
KSC-logosmall.gif
count.gif
NASA-logosmall.gif
KSC-logosmall.gif
launchpalms-small.gif
sts-71-patch-small.gif
ksclogo-medium.gif
NASA-logosmall.gif
MOSAIC-logosmall.gif
USA-logosmall.gif
WORLD-logosmall.gif
count.gif
sts-71-patch-small.gif
winvn.gif
construct.gif
bluemarb.gif
srb_16-small.gif
srb_mod_compare_3-small.gif
sts-71-patch-small.gif
wvsmall.gif
KSC-logosmall.gif
footprint-small.gif
livevideo.gif
KSC-logosmall.gif
MOSAIC-logosmall.gif
launchmedium.gif
endeavour.gif
NASA-logosmall.gif
KSC-logosmall.gif
USA-logosmall.gif
WORLD-logosmall.gif
count.gif
KSC-logosmall.gif
sts-78-patch-small.gif
launch-logo.gif
count.gif
NASA-logosmall.gif
KSC-logosmall.gif
columbia-logo.gif
wvnguide.gif
NASA-logosmall.gif
KSC-logosmall.gif
count.gif
ksclogosmall.gif
orbiters-logo.gif
ksclogo-medium.gif
NASA-logosmall.gif
MOSAIC-logosmall.gif
USA-logosmall.gif
footprint-small.gif
WORLD-logosmall.gif
winvnsm.gif
livevideo.gif
KSC-95EC-0868.gif
KSC-95EC-0918.gif
foo{-truncated-}

Expected output:
70HC314.GIF
KSC-95EC-0868.gif
KSC-95EC-0918.gif
KSC-logosmall.gif
MOSAIC-logosmall.gif
NASA-logosmall.gif
USA-logosmall.gif
WORLD-logosmall.gif
bluemarb.gif
columbia-logo.gif
construct.gif
count.gif
endeavour.gif
footprint-small.gif
ksclogo-medium.gif
ksclogosmall.gif
launch-logo.gif
launchmedium.gif
launchpalms-small.gif
livevideo.gif
orbiters-logo.gif
srb_16-small.gif
srb_mod_compare_3-small.gif
sts-71-patch-small.gif
sts-78-patch-small.gif
winvn.gif
winvnsm.gif
wvnguide.gif
wvsmall.gif