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Forum: Shell Programming and Scripting 07-20-2016

Using sed inside system call in awk

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/[^/]+/ - if record has one or more occurrence of...

/[^/]+/ - if record has one or more occurrence of any character other than / (to exclude root fs)

sub(/\/$/,X) - substitute or replace / in the end with X which is null or undefined variable.
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Forum: Shell Programming and Scripting 07-19-2016

Using sed inside system call in awk

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Another approach:- awk '/[^/]+/{sub(/\/$/,X)}1'

Another approach:-
awk '/[^/]+/{sub(/\/$/,X)}1'

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