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# Written by Aleksey Cheusov <vle@gmx.net>, public domain
#
# This awk module is a part of RunAWK distribution,
# http://sourceforge.net/projects/runawk
#
############################################################
# =head2 dirname.awk
#
# =over 2
#
# =item I<dirname (PATH)>
#
# return dirname portion of the PATH
# (the same as I<dirname(3)>)
#
# =back
#
# See example/demo_dirname for the sample of usage
#
function dirname (pathname){
if (!sub(/\/[^\/]*\/?$/, "", pathname))
return "."
else if (pathname != "")
return pathname
else
return "/"
}
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