tracefile fixed: https://gitlab.com/ole.tange/tangetools/-/issues/9
This commit is contained in:
Ole Tange
parent
8be6d39649
commit
e1c04807d4
17
Makefile
17
Makefile
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@ -1,14 +1,15 @@
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CMD = blink 2grep 2search burncpu drac duplicate-packets em emoticons \
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encdir field find-first-fail forever fxkill G gitnext gitundo \
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goodpasswd histogram Loffice mtrr mirrorpdf neno not off \
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pdfman pidcmd pidtree plotpipe puniq ramusage rand rclean \
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rina rn rrm seekmaniac shython sound-reload splitvideo stdout \
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swapout T teetime timestamp tracefile transpose upsidedown \
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vid w4it-for-port-open whitehash wifi-reload wssh ytv \
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yyyymmdd
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encdir fanspeed field find-first-fail forever fxkill G \
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gitnext gitundo goodpasswd histogram Loffice mtrr mirrorpdf \
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neno not off pdfman pidcmd pidtree plotpipe puniq ramusage \
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rand rclean rina rn rrm seekmaniac shython sound-reload \
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splitvideo stdout swapout T teetime timestamp tracefile \
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transpose upsidedown vid w4it-for-port-open whitehash \
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wifi-reload wssh ytv yyyymmdd
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all: blink/blink.1 2search/2grep.1 2search/2search.1 \
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burncpu/burncpu.1 drac/drac.1 encdir/encdir.1 field/field.1 \
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burncpu/burncpu.1 drac/drac.1 encdir/encdir.1 \
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fanspeed/fanspeed.1 field/field.1 \
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find-first-fail/find-first-fail.1 G/G.1 gitnext/gitnext.1 \
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gitundo/gitundo.1 goodpasswd/goodpasswd.1 \
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histogram/histogram.1 mirrorpdf/mirrorpdf.1 neno/neno.1 \
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8
README
8
README
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@ -4,6 +4,8 @@ Probably not useful for you, but then again you never now.
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2search - binary search through sorted text files.
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burncpu - use 100% of some CPU threads.
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blink - blink disks in a disk enclosure.
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decrypt-root-with-usb - patch for cryptroot to decrypt root with key on USB.
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@ -12,6 +14,10 @@ duplicate-packets - duplicate packets on an interface. Useful if wifi is bad.
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em - force emacs to run in terminal. Use xemacs if installed.
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encdir - mount encfs dir or create it if missing.
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fanspeed - set fanspeed using IPMI on Dell R815.
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field - split on whitespace. Give the given field number. Supports syntax 1-3,6-
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find-first-fail - find the lowest argument that makes a command fail.
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@ -64,6 +70,8 @@ swapout - force swapping out.
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T - tee stdout to and from temporary files.
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teetime - Save stdin including timing.
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timestamp - prepend timestamp to output.
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tracefile - list files/dirs being accessed by program.
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@ -41,6 +41,9 @@ test_file() {
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tmp=`tempfile`
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echo Header > $tmp
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seq 100 >> $tmp
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echo 10 >> $tmp
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echo 12 >> $tmp
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echo 15 >> $tmp
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10_to_15() { grep ^10$ $1 && grep ^15$ $1; }
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export -f 10_to_15
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echo 10..15
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@ -154,7 +154,7 @@ B<pipeplot> uses B<gnuplot>.
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=head1 SEE ALSO
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B<gnuplot>
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B<perl>, B<gnuplot>
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=cut
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@ -182,12 +182,12 @@ sub version() {
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# Returns: N/A
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print join
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("\n",
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"GNU $Global::progname $Global::version",
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"$Global::progname $Global::version",
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"Copyright (C) 2020 Ole Tange, http://ole.tange.dk and Free Software",
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"Foundation, Inc.",
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"License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>",
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"This is free software: you are free to change and redistribute it.",
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"GNU $Global::progname comes with no warranty.",
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"$Global::progname comes with no warranty.",
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"",
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"Web site: https://gitlab.com/ole.tange/tangetools/-/tree/master/${Global::progname}\n",
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"",
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@ -22,3 +22,6 @@ parallel -vj1 doit \
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# opening file relative to file descriptor of openat
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tracefile lscpu | grep /sys/devices/system/cpu/cpu0/cache/index0/level
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echo "should be 635 lines"
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tracefile -u perl -e 'for(1..4) { `parallel echo ::: 1 2 3` }' |wc
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@ -245,17 +245,20 @@ B<strace>(1)
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=cut
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use Getopt::Long;
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sub version();
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$Global::progname = "tracefile";
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$Global::version = 20201211;
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Getopt::Long::Configure("bundling","require_order");
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get_options_from_array(\@ARGV) || die_usage();
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if($opt::version) { version(); exit(0); }
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init_functions();
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my @cmd = shell_quote(@ARGV);
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my $dir = ".";
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my $pid = $opt::pid ? "-p $opt::pid" : "";
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my %seen;
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my $multithreading_printed;
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# BUG: If command gives output on stderr that can confuse the strace output
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open(IN, "-|", "strace -ff $pid -e trace=file @cmd 2>&1 >/dev/null") || die;
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@ -265,20 +268,21 @@ while(<IN>) {
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}
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# [pid 30817] stat("t/tar.gz", {st_mode=S_IFREG|0644, st_size=140853248, ...}) = 0
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# openat(AT_FDCWD, "/tmp/a", O_WRONLY|O_CREAT|O_NOCTTY|O_NONBLOCK, 0666) = 3
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if(/^(\[[^]]+\])? # Match pid
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\s*([^\" ]+) # function e.g. openat
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[(] # (
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([^",]*) # E.g. AT_FDCWD or 4
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[^"]* # E.g. ,
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" # "
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(([^\\"]|\\[\\"nt])*) # content of string with \n \" \t \\
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"(.*)/x) # Rest
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if(/^(?:[<]*<unfinished ...>)? # , O_RDONLY|O_CLOEXEC <unfinished ...>
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(?:\[[^]]+\])? # Match pid: [pid 46932]
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\s*([^\" ]+) # function e.g. openat
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[(] # (
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([^",]*) # E.g. AT_FDCWD or 4
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[^"]* # E.g. ,
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" # "
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((?:[^\\"]|\\[\\"nt])*) # content of string with \n \" \t \\
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"(.*)/x) # Rest
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{
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# Matches the strace structure for a file
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my $function = $2;
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my $first_arg = $3;
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my $file = shell_unquote($4);
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my $addinfo = $6;
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my $function = $1;
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my $first_arg = $2;
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my $file = shell_unquote($3);
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my $addinfo = $4;
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if($function eq "openat"
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or
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$function eq "faccessat") {
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@ -287,14 +291,24 @@ while(<IN>) {
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# faccessat(4, "cpu0/cache/index4", F_OK) = -1 ENOENT
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# openat can open a file descriptor
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# openat/faccessat can open relative to a file descriptor
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$addinfo =~ /= (-?\d+)(\s[^=]*)?$/ || die $addinfo,$_;
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my $fd = $1;
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if($first_arg eq "AT_FDCWD") {
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if($addinfo =~ /= (-?\d+)(\s[^=]*)?$/) {
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my $fd = $1;
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if($first_arg eq "AT_FDCWD") {
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$fd{$fd} = $file;
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} elsif($first_arg =~ /^\d+$/) {
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$file = $fd{$first_arg}."/".$file;
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} else { die "Bug: ",$first_arg,$_; }
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$fd{$fd} = $file;
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} elsif($first_arg =~ /^\d+$/) {
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$file = $fd{$first_arg}."/".$file;
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} else { die $first_arg,$_; }
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$fd{$fd} = $file;
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} else {
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if($addinfo =~ /<unfinished|strace: Process .* attached|= [?]/) {
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# openat(AT_FDCWD, "/...", O_RDONLY|O_CLOEXEC <unfinished ...>
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if(not $opt::quiet and not $multithreading_printed++) {
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warning("Multi-threading not supported. Output may be wrong.");
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}
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} else {
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die("Wrong format:",$addinfo,$_);
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}
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}
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}
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# Relative to $dir
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$file =~ s:^([^/]):$dir/$1:;
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@ -323,7 +337,14 @@ while(<IN>) {
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$print = 0;
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}
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$print and print $file,"\n";
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}
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} else {
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$opt::debug || next;
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/^strace: Process .* attached/ && next;
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/^(?:.pid \d+. )?<... \S+ resumed>/ && next;
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/^(?:.pid \d+. )?... exited with / && next;
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/^(?:.pid \d+. )?--- SIG/ && next;
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warn "W:",$_;
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}
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}
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{
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@ -392,6 +413,8 @@ sub options_hash {
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# Returns a hash of the GetOptions config
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return
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("debug|D" => \$opt::debug,
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"quiet|q" => \$opt::quiet,
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"version|V" => \$opt::version,
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"dir|d" => \$opt::dir,
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"file|f" => \$opt::file,
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"uniq|unique|u" => \$opt::unique,
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@ -487,6 +510,22 @@ sub error {
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print $fh $prog, ": Error: ", @w;
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}
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sub version() {
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# Returns: N/A
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print join
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("\n",
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"$Global::progname $Global::version",
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"Copyright (C) 2020 Ole Tange, http://ole.tange.dk and Free Software",
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"Foundation, Inc.",
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"License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>",
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"This is free software: you are free to change and redistribute it.",
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"$Global::progname comes with no warranty.",
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"",
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"Web site: https://gitlab.com/ole.tange/tangetools/-/tree/master/${Global::progname}\n",
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);
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}
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sub my_dump(@) {
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# Returns:
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# ascii expression of object if Data::Dump(er) is installed
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@ -493,7 +493,7 @@ transpose 20201130
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Copyright (C) 2020 Ole Tange, http://ole.tange.dk
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License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>
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This is free software: you are free to change and redistribute it.
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GNU parallel comes with no warranty.
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transpose comes with no warranty.
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Web site: https://gitlab.com/ole.tange/tangetools/-/tree/master/transpose
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EOF
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