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annotate bin/quine2 @ 2318:7abc8205c350
<Jafet> (echo \'#!/bin/sh\'; echo \'a() { echo $1; p=$(echo -n $(ps -p $1 -oppid | tail -1)); if egrep " \\| cat\\$" /proc/$p/cmdline; then ps -p $1 -ocmd | tail -1; else a $p; fi }\'; echo \'a $$\') > bin/quine2 && quine2 a b c
author | HackBot |
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date | Fri, 01 Mar 2013 02:02:16 +0000 |
parents | 32451419357a |
children | 234b02097c66 |
rev | line source |
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2312
d1fe49123f20
<Jafet> (echo \'#!/bin/sh\'; echo "cat /proc/self/cmdline") > bin/quine2 && bin/quine2
HackBot
parents:
diff
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1 #!/bin/sh |
2318
7abc8205c350
<Jafet> (echo \'#!/bin/sh\'; echo \'a() { echo $1; p=$(echo -n $(ps -p $1 -oppid | tail -1)); if egrep " \\| cat\\$" /proc/$p/cmdline; then ps -p $1 -ocmd | tail -1; else a $p; fi }\'; echo \'a $$\') > bin/quine2 && quine2 a b c
HackBot
parents:
2317
diff
changeset
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2 a() { echo $1; p=$(echo -n $(ps -p $1 -oppid | tail -1)); if egrep " \| cat\$" /proc/$p/cmdline; then ps -p $1 -ocmd | tail -1; else a $p; fi } |
2316
a3d5eada24e3
<Jafet> (echo \'#!/bin/sh\'; echo \'a() { p=$(ps -p $$ -oppid | tail -1); if egrep " \\| cat\\$" /proc/$p/cmdline; then ps -p $0 -ocmd | tail -1; else a $p; fi }\'; echo \'a $$\') > bin/quine2 && cat bin/quine2
HackBot
parents:
2315
diff
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3 a $$ |