gentoo-overlay/app-misc/mtail/files/mtail-1.1.1-remove-blanks.patch

--- mtail.orig	2003-11-07 19:02:34.000000000 +0000
+++ mtail	2003-11-07 19:19:18.000000000 +0000
@@ -46,6 +46,7 @@
 verbose = 0
 silent = 0
 active = 0
+remove_blanks = 0
 
 # sets up the interrupt handler, calls processargs(), sets up and starts the
 # tailers.
@@ -119,6 +120,8 @@
             if line[len(line)-1] == '\n':
                 line = line[:len(line)-1]
             line = filter(line)
+            if remove_blanks and not line:
+                continue
             lock.acquire()
             try:
                 if (multiple or verbose) and (not silent) \
@@ -138,12 +141,14 @@
     global verbose
     global silent
     global config_file
+    global remove_blanks
     filenames = []
     lines = None
     follow = 0
     try:
         opts, pargs = getopt.getopt(sys.argv[1:], 'fn:?hvq', ["follow",
-            "lines=", "help", "verbose", "quiet", "silent", "config="])
+            "lines=", "help", "verbose", "quiet", "silent", "config=",
+            "remove-blanks"])
     except getopt.error:
         print 'unrecognized option!'
         print
@@ -163,6 +168,8 @@
             silent = 1
         elif opt[0] in ['--config']:
             config_file = opt[1]
+        elif opt[0] in ['--remove-blanks']:
+            remove_blanks = 1
     if lines == None:
         lines = 10
     for filename in pargs:
@@ -186,6 +193,7 @@
     print '      -v, --verbose          always output headers giving file names'
     print '      -q, --quiet, --silent  never output headers giving file names'
     print '      --config=FILE          use config file FILE instead of ~/.mtailrc'
+    print '      --remove-blanks        do not display blank lines'
     print
     print 'with more than one filename, mtail will precede each chunk from'
     print 'each with a header giving the file name. if no filenames are given'