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BEGIN { if (ARGC != 2) { print "URLCHK - check if URLs have changed" print "IN:\n the file with URLs as a command-line parameter" print " file contains URL, old length, new length" print "PARAMS:\n -v Proxy=MyProxy -v ProxyPort=8080" print "OUT:\n same as file with URLs" print "JK 02.03.1998" exit } URLfile = ARGV[1]; ARGV[1] = "" if (Proxy != "") Proxy = " -v Proxy=" Proxy if (ProxyPort != "") ProxyPort = " -v ProxyPort=" ProxyPort while ((getline < URLfile) > 0) Length[$1] = $3 + 0 close(URLfile) # now, URLfile is read in and can be updated GetHeader = "gawk " Proxy ProxyPort " -v Method=\"HEAD\" -f geturl.awk " for (i in Length) { GetThisHeader = GetHeader i " 2>&1" while ((GetThisHeader | getline) > 0) if (toupper($0) ~ /CONTENT-LENGTH/) NewLength = $2 + 0 close(GetThisHeader) print i, Length[i], NewLength > URLfile if (Length[i] != NewLength) # report only changed URLs print i, Length[i], NewLength } close(URLfile) }