Friday, February 2, 2007
SED and variable access
Q: Why don't my variables like $var get expanded in my sed script?
Ans : Instead of the 'single quotes' we need to use "double quotes" , unix shells never expand $var in single quotes
so
$ S="asd"; echo "asd_2310" sed "s/2310/$S/g"
asd_asd
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