field: support /n syntax.

fanspeed/fanspeed

@@ -0,0 +1,259 @@
+#!/bin/bash
+
+: <<'_EOS'
+=pod
+=cut
+
+=head1 NAME
+
+fanspeed - set fanspeed using IPMI
+
+=head1 SYNOPSIS
+
+B<fanspeed> I<degrees>C
+
+B<fanspeed> I<percent>
+
+B<fanspeed> bios
+
+
+=head1 DESCRIPTION
+
+B<fanspeed> will set the fanspeed using IPMI.
+
+
+=head1 OPTIONS
+
+=over 9
+
+=item I<degrees>C
+
+Run fans at 40% unless temperature goes above I<degrees>. When that
+happens: Let BIOS control the fan for 30 seconds.
+
+
+=item I<percent>
+
+Run fans at I<percent> percent.
+
+
+=item bios
+
+Let BIOS control the fans.
+
+
+=back
+
+
+=head1 EXAMPLES
+
+=head2 EXAMPLE: 
+
+Run fans at 40% unless temperature is above 60C. When temperature is
+above 60C, let BIOS control fans.
+
+    fanspeed 60C
+
+
+=head2 EXAMPLE: Run fans at 50%
+
+    fanspeed 50
+
+
+=head2 EXAMPLE: Let BIOS control fans
+
+    fanspeed bios
+
+
+=head1 REPORTING BUGS
+
+Report bugs: https://gitlab.com/ole.tange/tangetools/-/issues
+
+
+=head1 AUTHOR
+
+Copyright (C) 2020 Ole Tange, http://ole.tange.dk and Free
+Software Foundation, Inc.
+
+
+=head1 LICENSE
+
+Copyright (C) 2013 Free Software Foundation, Inc.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3 of the License, or
+at your option any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+=head2 Documentation license I
+
+Permission is granted to copy, distribute and/or modify this documentation
+under the terms of the GNU Free Documentation License, Version 1.3 or
+any later version published by the Free Software Foundation; with no
+Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
+Texts.  A copy of the license is included in the file fdl.txt.
+
+=head2 Documentation license II
+
+You are free:
+
+=over 9
+
+=item B<to Share>
+
+to copy, distribute and transmit the work
+
+=item B<to Remix>
+
+to adapt the work
+
+=back
+
+Under the following conditions:
+
+=over 9
+
+=item B<Attribution>
+
+You must attribute the work in the manner specified by the author or
+licensor (but not in any way that suggests that they endorse you or
+your use of the work).
+
+=item B<Share Alike>
+
+If you alter, transform, or build upon this work, you may distribute
+the resulting work only under the same, similar or a compatible
+license.
+
+=back
+
+With the understanding that:
+
+=over 9
+
+=item B<Waiver>
+
+Any of the above conditions can be waived if you get permission from
+the copyright holder.
+
+=item B<Public Domain>
+
+Where the work or any of its elements is in the public domain under
+applicable law, that status is in no way affected by the license.
+
+=item B<Other Rights>
+
+In no way are any of the following rights affected by the license:
+
+=over 2
+
+=item *
+
+Your fair dealing or fair use rights, or other applicable
+copyright exceptions and limitations;
+
+=item *
+
+The author's moral rights;
+
+=item *
+
+Rights other persons may have either in the work itself or in
+how the work is used, such as publicity or privacy rights.
+
+=back
+
+=back
+
+=over 9
+
+=item B<Notice>
+
+For any reuse or distribution, you must make clear to others the
+license terms of this work.
+
+=back
+
+A copy of the full license is included in the file as cc-by-sa.txt.
+
+=head1 DEPENDENCIES
+
+B<fanspeed> uses IPMItool, and sensors.
+
+
+=head1 SEE ALSO
+
+B<ipmitool>(1), jq(1), and B<sensors>(1).
+
+=cut
+_EOS
+
+setfanspeed() {
+    # 0..100 = manual control X%
+    # bios = BIOS control
+    ipmi() {
+	DRAC_USER=${DRAC_USER:-root}
+	DRAC_PASSWD=${DRAC_PASSWD:-calvin}
+	DRAC_HOST=${DRAC_HOST:-drac}
+	echo -n $(ipmitool -I lanplus -H "$DRAC_HOST" -U "$DRAC_USER" -P "$DRAC_PASSWD" raw "$@")
+    }
+    if [ "$1" == "bios" ] ; then
+	# Let BIOS run the fan
+	ipmi 0x30 0x30 0x01 0x01
+    else
+	# Manual control
+	ipmi 0x30 0x30 0x01 0x00
+	# Set speed 0..100
+	ipmi 0x30 0x30 0x02 0xff "$@"
+    fi
+}
+
+fanspeedthreshold() {
+    # fanspeedthreshold deg
+    # Turn on BIOS control when temperature reaches deg degrees
+    sensors -j |
+    	jq -r '[.[]["temp1"]["temp1_input"]] |
+	   if max < '$1' then 40 else "bios" end';
+}
+
+runthreshold() {
+    # runthreshold degrees
+    while true; do
+	printf " "$(sensors -j |
+	    jq '[.[]["temp1"]["temp1_input"]] | max')
+	speed=$(fanspeedthreshold $@)
+	setfanspeed $speed
+	if [ $speed == "bios" ] ; then
+	    # Do not change away from bios in less than 30 secs
+	    sleep 30
+	fi
+	sleep 1
+    done
+}
+
+
+_fanspeed() {
+    # BIOS = 60 C => 40
+    # 0 C => 10, 55 C => 10, 65 C => 100
+    sensors -j |
+    	jq '[.[]["temp1"]["temp1_input"]] |
+	   (max-55)*(100/(65-55)) |
+	   if . < 50 then 50 else if . > 100 then 100 else .|floor end end';
+#	   if . < 25 then 25 else if . > 100 then 100 else .|floor end end';
+}
+
+degrees=$(echo "$@" | perl -ne '/(\d+)C/i and print $1')
+
+if [ -z "$degrees" ] ; then
+    setfanspeed "$@"
+else
+    runthreshold "$degrees"
+fi

field/field

@@ -29,6 +29,10 @@ Select field 2,3,4,5:
 
   field 2-5 file
 
+Select field 2,1,3,5,7,9,13:
+
+  field 2,1-13/2 file
+
 Select field 2..end:
 
   field 2- file
@@ -78,8 +82,16 @@ sub range_to_fields {
     my @ranges = split(/,/, shift);
     my @fields;
     for (@ranges) {
+	# 2
 	/^(\d+)$/ and push (@fields,($1-1));
+	# 2-11
 	/^(\d+)-(\d+)$/ and push (@fields,($1-1) .. ($2-1));
+	# 3-19/2
+	/^(\d+)-(\d+)\/(\d+)$/ and do {
+	    for(my $t = $1; $t <= $2; $t += $3) {
+		push (@fields,($t-1));
+	    }
+	};
 	/^(\d+)-$/ and do {
 	    push (@fields,($1-1)." .. \$#F");
 	    $Global::must_eval = 1;

find-first-fail/find-first-fail

@@ -5,14 +5,15 @@
 
 =head1 NAME
 
-find-first-fail - fine function for finding first failing file fragment
+find-first-fail - fine function for finding first failing file
+fragment (or numeric argument)
 
 
 =head1 SYNOPSIS
 
-B<find-first-fail> [-2] [-q] [-s I<start>] [-v] I<command>
+B<find-first-fail> [-2] [-q] [-s I<start>] [-v] [-V] I<command>
 
-B<find-first-fail> -f I<inputfile> [-s I<start>] [-q] [-v] I<command>
+B<find-first-fail> -f I<inputfile> [-s I<start>] [-q] [-v] [-V] I<command>
 
 
 =head1 DESCRIPTION
@@ -144,6 +145,11 @@ To identify the minimal CSV file that causes myparser to fail:
     find-first-fail -f example.csv -s1 myparser
 
 
+=head1 REPORTING BUGS
+
+Report bugs: https://gitlab.com/ole.tange/tangetools/-/issues
+
+
 =head1 AUTHOR
 
 Copyright (C) 2020 Ole Tange,
@@ -185,7 +191,7 @@ find-first-fail() {
 	shift
 	shift
 	local middle=$(( ( $low + $high ) / 2 ))
-	if _run $low $middle "$@" ; then
+	if _run $low $middle $high "$@" ; then
 	    low=$middle
 	else
 	    high=$middle
@@ -211,13 +217,15 @@ find-first-fail() {
 	}
 	local a="$1"
 	local b="$2"
+	local c="$3"
+	shift
 	shift
 	shift
 	local cmd=("$@")
 	if $opt2 ; then
 	    $verbose && echo "$a<x<$b: ${cmd[@]}" "$a" "$b" >&2
 	else
-	    $verbose && echo "$a<x<$b: ${cmd[@]}" "$b" >&2
+	    $verbose && echo "$a<x<$c: ${cmd[@]}" "$b" >&2
 	fi
 	eval "$not" _inner_run "$quiet"
     }
@@ -225,7 +233,7 @@ find-first-fail() {
     _find_in_arg() {
 	# If function(1) = false: run 'not function()' instead
 	local not
-	if _run "$start" "$start" "$@" ; then
+	if _run "$start" "$start" "?" "$@" ; then
 	    not=''
 	else
 	    not='!'
@@ -236,7 +244,7 @@ find-first-fail() {
 	# high = low * 2 (function($high) == false)
 	local high=$(( $start*2 ))
 	local low=$start
-	while _run $start $high "$@" ; do
+	while _run $low $high "?" "$@" ; do
 	    low=$high
 	    high=$(( $high*2 ))
 	    if [ $high -gt 4611686018427387900 ] ; then
@@ -356,6 +364,18 @@ find-first-fail() {
 	unset low high start quiet
     }
 
+    version() {
+    cat <<EOF
+find-first-fail 20201222
+Copyright (C) 2020 Ole Tange, http://ole.tange.dk
+License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>
+This is free software: you are free to change and redistribute it.
+find-first-fail comes with no warranty.
+
+Web site: https://gitlab.com/ole.tange/tangetools/-/tree/master/find-first-fail
+EOF
+}
+    
     local opt2=false
     local optf=false
     local inputfile
@@ -365,13 +385,14 @@ find-first-fail() {
     unset OPTIND
 
     # Parse and remove options
-    while getopts "2f:qs:v" options; do
+    while getopts "2f:qs:vV" options; do
 	case "${options}" in
 	    (2)   opt2=true;;
 	    (f)   optf=true; inputfile="$OPTARG";;
 	    (q)   quiet=">/dev/null 2>/dev/null";;
 	    (s)   start="$OPTARG";;
 	    (v)   verbose=true;;
+	    (V)   version; exit 0;;
 	    (-)   break;;
 	esac
     done
@@ -389,6 +410,27 @@ find-first-fail() {
 	fi
 	_find_in_arg "$@";
     fi
+    # TODO find-optimal:
+    # instead of looking at exit value, look at last line
+    # start=--start || 1
+    # end=--end
+    # vstart = test(start)
+    # if end:
+    #   vmiddle = test( (start+end)/2)
+    #   if vstart < vmiddle:
+    #     Search hill(start,end)
+    #   else
+    #     Search valley(start,t)
+    # else
+    #   min = vstart
+    #   max = vstart
+    #   t = start*2
+    #   while t < big:
+    #     v = test(t)
+    #     if v < max and vstart < max: Search hill(start,t)
+    #     if min < v and min < vstart: Search valley(start,t)
+    #     t = t*2
+    # fi
 }
 
 if [ -z "$*" ] ; then

pidcmd/pidcmd

@@ -70,7 +70,8 @@ B<ps>
 
 =cut
 
-for pid in "$@"; do 
+# $@ instead of "$@" to ignore spaces
+for pid in $@; do 
     cat /proc/$pid/cmdline | xargs -0
 done
 

plotpipe/README

@@ -29,11 +29,12 @@ Examples:
     seq 1 100 | shuf | plotpipe
     paste <(seq 1 100) <(seq 1 100) <(seq 1 100 | shuf) | plotpipe
     (echo "#Title"; echo "#Subtitle";
-     echo "Column1 Column2 Column3";
+     printf "Column1\tColumn2\tColumn3";
      paste <(seq 1 100) <(seq 1 100) <(seq 1 100 | shuf) ) | plotpipe
 
 Copyright (C) 2020 Ole Tange, http://ole.tange.dk and Free Software
 Foundation, Inc.
+
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 This is free software: you are free to change and redistribute it.
 GNU plotpipe comes with no warranty.

plotpipe/plotpipe

@@ -123,6 +123,21 @@ input.csv:
   cat input.csv | plotpipe
 
 
+=head1 LIMITS
+
+B<plotpipe> is limited by Gnuplot.
+
+13x113425 = 28 MB
+43x13203 = 10 MB
+43x24068 = 5.8 MB
+10x315636
+Gnuplot will complain:
+
+  line -1: warning: Cannot find or open file "/tmp/plotXXXXX"
+
+if the input is too big. The plot will then be incomplete.
+
+
 =head1 AUTHOR
 
 Copyright (C) 2019-2020 Ole Tange,
@@ -303,7 +318,7 @@ sub find_sep(@) {
 Getopt::Long::Configure("bundling","require_order");
 my $retval = GetOptions(options_hash());
 $Global::progname = "plotpipe";
-$Global::version = 20201125;
+$Global::version = 20201222;
 if($opt::version) { version(); exit 0; }
 if($opt::help) { help(); exit 0; }
 if($opt::null) { $/ = "\0"; }
@@ -356,7 +371,7 @@ if($ncols >= 2 and not $opt::nox) {
     }
 } else {
     # All data = y-axis, invent x-axis
-    my $x = 1;
+    my $x = 0;
     for(@csv) {
 	chomp;
 	print $filehandle ((join "\001", $x++, split /$opt::colsep/, $_),"\n");
@@ -397,13 +412,7 @@ set datafile separator "\001";
 plot @plotscript
 _EOS
 
-if(fork) {
 open GNUPLOT,"|-", "gnuplot -p -e ".Q($plotscript) or die;
-    #print "gnuplot -p -e ".($plotscript);
 close GNUPLOT;
+# print "gnuplot -p -e ".($plotscript);
 unlink $filename;
-} else {
-    # If script dies unexpectedly, remove the file after 5 sec
-    sleep(5);
-    unlink $filename;
-}