1 files changed, 28 insertions, 0 deletions
diff --git a/awklib/eg/network/urlchk.awk b/awklib/eg/network/urlchk.awk
new file mode 100644
index 00000000..6ddedfa8
--- /dev/null
+++ b/awklib/eg/network/urlchk.awk
@@ -0,0 +1,28 @@
+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)
+}