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ThibautVerron/gist:1a9da23bf7dafbc01d20

Last active August 29, 2015 14:16
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gistfile1.txt
% for ((i=0;i<10;i++)); do printf "i=%s var=%s res=%s\n" $i $var ${var:${#var}-$i}; done
i=0 var=12345 res=
i=1 var=12345 res=5
i=2 var=12345 res=45
i=3 var=12345 res=345
i=4 var=12345 res=2345
i=5 var=12345 res=12345
i=6 var=12345 res=5
i=7 var=12345 res=45
i=8 var=12345 res=345
i=9 var=12345 res=2345
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