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Using external variables in awk (See related posts)

See: Accessing external variable in AWK and SED
var="BASH"; echo "unix scripting" | awk '{gsub(/unix/,"'"${var}"'"); print}'
var="BASH"; echo "unix scripting" | awk '{gsub(/unix/,"'"$(echo ${var})"'"); print}'
var="BASH"; echo "unix scripting" | awk -v v="$var" '{sub(/unix/,v); print}'
to awk shell osx mac bash unix variable external by jvs on Thu Nov 06 21:13:22 +0000 2008

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