Created
December 17, 2013 11:01
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awk/shell script that filters its input and only outputs identical lines once
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| #!/bin/sh | |
| IN=${1:--} | |
| OUT=${2:-/dev/tty} | |
| # see http://stackoverflow.com/questions/11532157/unix-removing-duplicate-lines-without-sorting#11532197 | |
| awk '!x[$0]++' $IN >$OUT |
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