Search Results

depending on what your desired output should be:

awk -F, '!a[$2]++{next} {print "Line " NR " " $2 " is duplicated"}' myFile
OR
awk -F, '!a[$2]++' myFile

Why don't you use the mechanism meant to pass parameters into awk: awk -vAWKVAR1="$SHELLVAR1" -vAWKVAR2="$SHELLVAR2" etc ...

$ cat input
hiring,no
system,yes
hiring,yes
quota,no
quota,maybe

$ sort input | awk 'NR == 1 {p=$1; next} p == $1 { print $1 " is duplicated"} {p=$1}' FS=","
hiring is duplicated
quota is...

You don't need sed for that in bash or ksh:

VERSION="${VERSION//\//\\/}"

if you are forced to use an old shell:

VERSION=$(echo "$VERSION" | sed 's#/#\\/#g'

sed 's#\/#\\\/#g'
OR
sed 's#\/#\\&#g'