From 9e5ed8416dc69cc904ab495f55feab164a7d6ad9 Mon Sep 17 00:00:00 2001
From: Ole Tange <ole@tange.dk>
Date: Fri, 28 Apr 2017 21:06:31 +0200
Subject: [PATCH] tracefile: added --file.

---
 README              | 22 ++++++++++++++++------
 tracefile/tracefile | 34 +++++++++++++++++++++-------------
 2 files changed, 37 insertions(+), 19 deletions(-)

diff --git a/README b/README
index d91322d..783bbd3 100644
--- a/README
+++ b/README
@@ -2,6 +2,8 @@ Tools developed by Ole Tange <ole@tange.dk>.
 
 Probably not useful for you, but then again you never now.
 
+blink - blink disks in a disk enclosure
+       
 bsearch - binary search through sorted text files.
 
 em - Force emacs to run in terminal. Use xemacs if installed.
@@ -10,32 +12,40 @@ field - Split on space. Give the given field number. Supports syntax 1-3,6-
 
 forever - Run the same command or list of commands every second.
 
-G - short hand for multi level grep.
+G - shorthand for multi level grep.
 
 gitnext - Checkout next revision. Opposite of 'checkout HEAD^'.
 
-gitundo - Undo last commit.
+histogram - make and display a histogram on the command line.
 
 neno - No error no output. Only print STDERR and STDOUT if the command fails.
 
-puniq - Print unique lines the first time they are seen.
-
 pdfman - Convert man page to pdf and display it using evince.
 
-rand - Generate (pseudo-)random data
+puniq - Print unique lines the first time they are seen.
+
+ramusage - Display the ram usage of a program using `time -v`.
+
+rand - Generate (pseudo-)random data.
 
 rclean - Remove files with MD5 sums recorded by rrm (see below).
 
 reniced - Renice all commands running more than 1 CPU minute unless they are niced or whitelisted.
 
-rn - Move file(s)/dir(s) to ~/.rm/ (wastebasket).
+rn - Move file(s)/dir(s) to .rm/ (wastebasket).
 
 rrm - Record file's MD5 sum before removing it.
 
 stdout - Redirect both STDERR and STDOUT to STDOUT.
 
+T - tee stdout to and from temporary files.
+
+timestamp - prepend timestamp to output.
+
 tracefile - List files/dirs being accessed by program.
 
+upsidedown - flip input upside down.
+
 w4it-for-port-open - Block until the given port opens on a given host.
 
 wastebasket - VLC extension for moving current file to a wastebasket
diff --git a/tracefile/tracefile b/tracefile/tracefile
index b57e72c..3b6ded0 100755
--- a/tracefile/tracefile
+++ b/tracefile/tracefile
@@ -6,9 +6,9 @@ tracefile - list files being accessed
 
 =head1 SYNOPSIS
 
-B<tracefile> [-adenu] I<command>
+B<tracefile> [-adefnu] I<command>
 
-B<tracefile> [-adenu] -p I<pid>
+B<tracefile> [-adefnu] -p I<pid>
 
 =head1 DESCRIPTION
 
@@ -44,6 +44,13 @@ List only dirs.
 List only existing files.
 
 
+=item B<-f>
+
+=item B<--file>
+
+List only files.
+
+
 =item B<-n>
 
 =item B<--nonexist>
@@ -81,7 +88,8 @@ know which one.
 Here B<ls> tries to find B</usr/include/shisa.h>. If it fails,
 B<apt-file> will search for which package it is in:
 
-    tracefile -n -u ls /usr/include/shisa.h | apt-file -f search -
+    tracefile -n -u ls /usr/include/shisa.h | apt-file -f search - |
+      grep /usr/include/shisa.h
 
 =head1 REPORTING BUGS
 
@@ -90,7 +98,7 @@ Report bugs to <tange@gnu.org>.
 
 =head1 AUTHOR
 
-Copyright (C) 2012,2016 Ole Tange, http://ole.tange.dk and Free
+Copyright (C) 2012,2016,2017 Ole Tange, http://ole.tange.dk and Free
 Software Foundation, Inc.
 
 
@@ -220,7 +228,7 @@ $Global::progname = "tracefile";
 Getopt::Long::Configure("bundling","pass_through");
 get_options_from_array(\@ARGV) || die_usage();
 
-if(not ($opt::exists or $opt::nonexists or $opt::all or $opt::dir)) {
+if(not ($opt::exists or $opt::nonexists or $opt::all or $opt::dir or $opt::file)) {
     $opt::all = 1;
 }
 
@@ -240,17 +248,16 @@ while(<IN>) {
 	my $file = shell_unquote($1);
 	# Relative to $dir
 	$file =~ s:^([^/]):$dir/$1:;
-	my $print = 0;
-	if($opt::all
+	my $print = 1;
+	if(($opt::dir and not -d $file)
 	   or
-	   ($opt::exists and -e $file)
+	   ($opt::file and not -f $file)
 	   or
-	   ($opt::dir and -d $file)
+	   ($opt::exists and not -e $file)
 	   or
-	   ($opt::nonexists and not -e $file)) {
-	    $print = 1;
-	}
-	if($opt::unique and $seen{$file}++) {
+	   ($opt::nonexists and -e $file)
+	   or
+	   ($opt::unique and $seen{$file}++)) {
 	    $print = 0;
 	}
 	$print and print $file,"\n";
@@ -262,6 +269,7 @@ sub options_hash {
     return
 	("debug|D" => \$opt::debug,
 	 "dir|d" => \$opt::dir,
+	 "file|f" => \$opt::file,
 	 "uniq|unique|u" => \$opt::unique,
          "exists|exist|e" => \$opt::exists,
          "nonexists|nonexist|non-exists|non-exist|n" => \$opt::nonexists,