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Can anyone explain me the below and please tell me why it is not accepting large number of strings. sed ':a;s/(([^,|]+)[|,].*)\2/\1/;ta;y/,/|/;s/||/|/g' file_nm

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Hi, I am reading a command in shell script using sed: echo $1 | sed -e "s/^[^=]*=\(.*\)$/\1/" what I don't understand is the sed command. I only know it tries to substitute "^[^=]*=\(.*\)$/" with "\1" and 1 is one of the positional parameters got from invoking the shell script, but …

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