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UNRELEASED

  • feature: allow --format to include "%nA" more than once, with different "n" valeus (#122)
  • fix: add configure script fallback for --remote check when cross-compiling (#120)
  • fix: allow extra-display to be changed by --remote (#123)

1.9.7 - 2 December 2024

  • feature: new --extra-display option to update window and process titles (#3, #4)
  • fix: correct failure to report file positions in --watchfd (#118)
  • i18n: Russian translations added
  • cleanup: tests added for --watchfd (#10)
  • cleanup: worked around file descriptor leak false positives in valgrind 3.23 (#97)
  • cleanup: cleared all shellcheck warnings in the test scripts
  • cleanup: check at compile-time whether --remote is going to be usable (#119)

1.9.0 - 15 October 2024

  • feature: new --store-and-forward option to read input to a file first, then write it to the output (#100)
  • feature: new --stats option to show transfer stats at the end, like "ping" (#49)
  • feature: --rate can now be used with --numeric (#17)
  • feature: --gauge with --progress to show rate gauge when size is unknown (#46)
  • i18n: comprehensive German translations update
  • i18n: comprehensive Polish translations update
  • i18n: complete Turkish translations added
  • i18n: complete Czech translations added
  • i18n: updates to French translations
  • fix: resume stopped pipelines when running in the background (part of #56)
  • fix: inspect the output pipe buffer to give a more accurate progress indicator of how much the next command has consumed
  • fix: prefix completion time (--fineta) with FIN rather than ETA (#43)
  • fix: surround average rate (--average-rate) with brackets rather than square brackets
  • fix: correct a memory leak in --watchfd PID
  • fix: make --direct-io work correctly with --output instead of assuming stdout
  • fix: call posix_fadvise() on every input, not just the first one
  • fix: write UTC timestamps in debugging mode to avoid lockups in signal handlers
  • security: added a signed MANIFEST file to releases
  • cleanup: removed TODO.md, since it's just an outdated copy of the issue tracker
  • cleanup: re-ordered structure members to reduce padding
  • cleanup: improved readability of SIGTTOU handling code
  • cleanup: refactored to separate display, transfer, and calculation more cleanly
  • cleanup: instead of moving stderr when backgrounded, set a suspend-output flag

1.8.14 - 7 September 2024

  • fix: correct double-free on exit when using --watchfd (#96) reported by jettero

1.8.13 - 18 August 2024

  • feature: when using --size @FILE, FILE can be a block device, and its size will be used (pull request #94) supplied by alexanderperlis

1.8.12 - 18 July 2024

  • fix: correct the detection of output block device size that was broken in 1.8.10 (#91)
  • fix: do not treat a zero/interrupted write as an end of file (pull requests #92 and #93)

1.8.10 - 15 June 2024

  • feature: new --output option to write to a file instead of standard output (pull request #90) supplied by xmort

1.8.9 - 21 April 2024

  • feature: new --si option to display and interpret size suffixes in multiples of 1000 rather than 1024 (pull request #85) supplied by kevinruddy
  • fix: continue producing progress output when the output is blocking writes (#34, #86, #87)
  • fix: honour the TMPDIR / TMP environment variables again, rather than hard-coding "/tmp", when using a terminal lock file (originally removed in 1.8.0) (#88)
  • i18n: corrections and missing strings added to French translations (pull request #83) supplied by Thomas Bertels

1.8.5 - 19 November 2023

  • fix: corrected percentage formatting so it doesn't jump from 2 to 3 characters wide at 100% (#80)
  • fix: replaced --remote mechanism, using a temporary file instead of SysV IPC, so it can work reliably even when there are multiple PV instances
  • fix: corrected compilation failure when without IPC support
  • security: addressed all issues highlighted by the software auditing tools "splint" and "flawfinder" (see "make analyse") (#77)
  • cleanup: compilation warnings fixed on non-IPC and MacOS systems

1.8.0 - 24 September 2023

Features

  • feature: new --discard option to discard input as if writing to /dev/null (#42)
  • feature: new --error-skip-block option to make --skip-errors skip whole blocks (#37)
  • feature: use posix_fadvise() like cat(1) does, to improve efficiency (#39)
  • feature: new --enable-static option to "configure" for static builds (#75)

Security

  • security: with --pidfile, write to a temporary file and rename it into place, to improve security
  • security: keep self-contained copies of name and format string in PV internal state for memory safety
  • security: ignore TMP / TMPDIR environment variables when using a terminal lock file

Fixes

  • fix: only report errors about missing files when starting to transfer from them, not while calculating size, and behave more like cat(1) by skipping them and moving on
  • fix: auto-calculate total line count with --line-mode when all inputs are regular files
  • fix: use clock_gettime() in ETA calculation to cope with machine suspend/resume (#13)
  • fix: if --width or --height were provided, do not change them when the window size changes (#36)
  • fix: when a file descriptor position in --watchfd moves backwards, show the rate using the correct prefix (#41)
  • fix: rewrite terminal state save/restore so state is not intermittently garbled on exit when using --cursor (#20), (#24)

Cleanups

  • cleanup: addressed many potential issues highlighted by the software auditing tools "splint" and "flawfinder" (see new target "make analyse")
  • cleanup: switched the build system to GNU Automake
  • cleanup: replaced the test harness with the one native to GNU Automake
  • cleanup: added a test for terminal width detection to "make check"
  • cleanup: added a test to "make check" to ensure that "make install" installs everything expected
  • cleanup: replaced AC_HEADER_TIOCGWINSZ with AC_CHECK_HEADERS(sys/ioctl.h) for better MacOS compatibility (#74)
  • cleanup: with --sync, call fsync() instead of fdatasync() on incapable systems (#73)
  • cleanup: the manual is now a static file instead of needing to be built with "configure"

Dropped items

  • dropped: dropped support for --enable-static-nls
  • dropped: removed the Linux Software Map file, as the LSM project appears to be long dead
  • dropped: will no longer publish to SourceForge as it has a chequered history and is unnecessary
  • dropped: removed project from GitHub and moved to Codeberg - see "Give Up GitHub"

Other items

  • licensing change from Artistic 2.0 to GPLv3+

1.7.24 - 30 July 2023

  • fix: correct terminal size detection, broken in 1.7.17 by the configuration script rewrite (#72)
  • security: removed DEBUG environment variable in debug mode, added --debug instead
  • cleanup: added "make analyse" to run "splint" and "flawfinder" on all source files
  • cleanup: corrected detection of boolean capability
  • cleanup: word wrapping of --help output is now multi-byte locale aware
  • cleanup: adjusted "indent" rules to line length of 120 and reformatted code

1.7.18 - 28 July 2023

  • fix: language file installation had been broken by the configuration script rewrite

1.7.17 - 27 July 2023

  • feature: new --sync option to flush cache to disk after every write (related to #6, to improve accuracy when writing to slow disks)
  • feature: new --direct-io option to bypass cache - implements #29 "Option to enable O_DIRECT" - requested by Romain Kang, Jacek Wielemborek
  • fix: correct byte prefix size to 2 spaces in rate display, so progress display size remains constant at low transfer rates
  • cleanup: rewrote configure.in as per suggestions in newer "autoconf" manuals
  • cleanup: replaced header.in with one generated by "autoheader", moving custom logic to a separate header file "config-aux.h"
  • cleanup: added copyright notice to all source files as per GNU standards
  • cleanup: changed --version output to conform to GNU standards
  • cleanup: replaced backticks with $() in all shell scripts that did not come from elsewhere, as backticks are deprecated and harder to read
  • cleanup: improved the output formatting of "make test"
  • cleanup: extended the "make test" mechanism to allow certain tests to be skipped on platforms that cannot support them
  • cleanup: skip the "pipe" test (for SIGPIPE) if GNU "head" is not available, so that "make test" on stock OpenBSD 7.3 works
  • cleanup: added a lot more tests to "make test"
  • cleanup: replace all calls to sprintf() and snprintf() with a new wrapper function pv_snprintf() to improve security and compatibility
  • cleanup: replace all calls to strcat() with a wrapper pv_strlcat() to improve security and compatibility
  • cleanup: replace all write() calls to the terminal with a wrapper pv_write_retry() for consistency
  • cleanup: tidy up and fix compilation warning in --watchfd code
  • cleanup: rewrote all local shell scripts to pass analysis by ShellCheck

1.7.0 - 17 July 2023

1.6.20 - 12 September 2021

  • fix: add missing stddef.h include to number.c (Sam James)

1.6.19 - 5 September 2021

  • fix: starting pv in the background no longer immediately stops unless the transfer is to/from the terminal (Andriy Gapon, Jonathan Elchison)
  • fix: using -B, -A, or -T now switches on -C implicitly (Johannes Gerer, André Stapf)
  • fix: AIX build fixes (Peter Korsgaard)
  • i18n: updated German --help translations (Richard Fonfara)
  • i18n: switched to UTF-8 encoding, added missing translations (de,fr,pt)
  • docs: new "common switches" manual section (Jacek Wielemborek)
  • docs: use placeholder instead of /dev/sda in the manual (Pranav Peshwe)
  • docs: mention MacOS pipes and -B 1024 in the manual (Jan Venekamp)
  • docs: correct shell in autoconf/scripts/index.sh (Juan Picca)
  • cleanup: various compiler warnings cleaned up

Full changelog is below:

  • (r181) added common switches section to manual (Jacek Wielemborek)
  • (r184) use placeholder instead of /dev/sda in the manual (Pranav Peshwe)
  • (r185) replace ash with sh in autoconf/scripts/index.sh (Juan Picca)
  • (r185) added note to manual about -B 1024 in MacOS pipes (Jan Venekamp)
  • (r185) fix AIX config check when the CWD contains "yes" (Peter Korsgaard)
  • (r189) (#1556) updated German --help translations (Richard Fonfara)
  • (r189) updated missing German translations and changed to UTF-8 encoding
  • (r191) updated missing French translations and changed to UTF-8 encoding
  • (r193) updated missing Portuguese translations, changed to UTF-8 encoding
  • (r196) (#1563) using -B, -A, or -T now switches on -C implicitly (Johannes Gerer, André Stapf)
  • (r199) fixed numerous compiler warnings in newer GCC versions
  • (r200,205) fixed bug where "pv /dev/zero >/dev/null &" stopped immediately (Jonathan Elchison, Andriy Gapon)
  • (r203,205) marked unused arguments with GCC unused attribute, started using boolean data type for flags, corrected more compiler warnings

1.6.6 - 30 June 2017

  • (r161) use %llu instead of %Lu for better compatibility (Eric A. Borisch)
  • (r162) (#1532) fix target buffer size (-B) being ignored (AndCycle, Ilya Basin, Antoine Beaupré)
  • (r164) cap read/write sizes, and check elapsed time during read/write cycles, to avoid display hangs with large buffers or slow media; also remove select() call from repeated_write function as it slows the transfer down and the wrapping alarm() means it is unnecessary
  • (r169) (#1477) use alternate form for transfer counter, such that 13GB is shown as 13.0GB so it's the same width as 13.1GB (André Stapf)
  • (r171) cleanup: units corrections in man page, of the form kb -> KiB
  • (r175) report error in -d if process fd directory is unreadable, or if process disappears before we start the main loop (Jacek Wielemborek)

1.6.0 - 15 March 2015

  • fix lstat64 support when unavailable - separate patches supplied by Ganael Laplanche and Peter Korsgaard
  • (#1506) new option -D / --delay-start to only show bar after N seconds (Damon Harper)
  • new option --fineta / -I to show ETA as time of day rather than time remaining - patch supplied by Erkki Seppälä (r147)
  • (#1509) change ETA (--eta / -e) so that days are given if the hours remaining are 24 or more (Jacek Wielemborek)
  • (#1499) repeat read and write attempts on partial buffer fill/empty to work around post-signal transfer rate drop reported by Ralf Ramsauer
  • (#1507) do not try to calculate total size in line mode, due to bug reported by Jacek Wielemborek and Michiel Van Herwegen
  • cleanup: removed defunct RATS comments and unnecessary copyright notices
  • clean up displayed lines when using --watchfd PID, when PID exits
  • output errors on a new line to avoid overwriting transfer bar

1.5.7 - 26 August 2014

  • show KiB instead of incorrect kiB (Debian bug #706175)
  • (#1284) do not gzip man page, for non-Linux OSes (Bob Friesenhahn)
  • work around "awk" bug in tests/016-numeric-timer in decimal "," locales
  • fix "make rpm" and "make srpm", extend "make release" to sign releases

1.5.3 - 4 May 2014

  • remove SPLICE_F_NONBLOCK to fix problem with slow splice() (Jan Seda)

1.5.2 - 10 February 2014

  • allow --watchfd to look at block devices
  • let --watchfd PID:FD work with --size N
  • moved contributors out of the manual as the list was too long (NB everyone is still listed in the README and always will be)

1.5.1 - 23 January 2014

  • new option --watchfd - suggested by Jacek Wielemborek and "fdwatch"
  • use non-block flag with splice()
  • new display option --buffer-percent, suggested by Kim Krecht
  • new display option --last-written, suggested by Kim Krecht
  • new transfer option --no-splice
  • fix for minor bug which dropped display elements after one empty one
  • fix for single fd leak on exit (Cristian Ciupitu)

1.4.12 - 5 August 2013

  • new option --null - patch supplied by Zing Shishak
  • AIX build fix (add "-lc128") - with help from Pawel Piatek
  • AIX -c fixes - with help from Pawel Piatek
  • SCO build fix (po2table.sh) - reported by Wouter Pronk
  • test scripts fix for older distributions - patch from Bryan Dongray
  • fix for splice() not using stdin - patch from Zev Weiss

1.4.6 - 22 January 2013

  • added patch from Pawel Piatek to omit O_NOFOLLOW in AIX

1.4.5 - 10 January 2013

  • updated manual page to show known problem with -R on Cygwin

1.4.4 - 11 December 2012

  • added debugging, see "pv -h" when configure is run with --enable-debugging
  • rewrote cursor positioning code used when IPC is unavailable (Cygwin)
  • fixed cursor positioning cursor read answerback problem (Cygwin/Solaris)
  • fixed bug causing crash when progress displayed with too-small terminal

1.4.0 - 6 December 2012

  • new option --skip-errors commissioned by Jim Salter
  • if stdout is a block device, and we don't know the total size, use the size of that block device as the total (Peter Samuelson)
  • new option --stop-at-size to stop after --size bytes
  • report correct filename on read errors
  • fix use-after-free bug in remote PID cleanup code
  • refactored large chunks of code to make it more readable and to replace most static variables with a state structure

1.3.9 - 5 November 2012

  • allow --format parameters to be sent with --remote
  • configure option --disable-ipc
  • added tests for --numeric with --timer and --bytes
  • added tests for --remote

1.3.8 - 29 October 2012

  • new --pidfile option to save process ID to a file
  • integrated patch for --numeric with --timer and --bytes (Sami Liedes)
  • removed signalling from --remote to prevent accidental process kills
  • new --format option (originally Vladimir Pal / Vladimir Ermakov)

1.3.4 - 27 June 2012

  • new --disable-splice configure script option
  • fixed line mode size count with multiple files (Moritz Barsnick)
  • fixes for AIX core dumps (Pawel Piatek)

1.3.1 - 9 June 2012

  • do not use splice() if the write buffer is not empty (Thomas Rachel)
  • added test 15 (pipe transfers), and new test script

1.3.0 - 5 June 2012

  • added Tiger build patch from Olle Jonsson
  • fix 1024-boundary display garble (Debian bug #586763)
  • use splice(2) where available (Debian bug #601683)
  • added known bugs section of the manual page
  • fixed average rate test, 12 (Andrew Macheret)
  • use IEEE1541 units (Thomas Rachel)
  • bug with rate limit under 10 fixed (Henry Precheur)
  • speed up PV line mode (patch: Guillaume Marcais)
  • remove LD=ld from vars.mk to fix cross-compilation (paintitgray/PV#1291)

1.2.0 - 14 December 2010

  • integrated improved SI prefixes and --average-rate (Henry Gebhardt)
  • return nonzero if exiting due to SIGTERM (Martin Baum)
  • patch from Phil Rutschman to restore terminal properly on exit
  • fix i18n especially for --help (Sebastian Kayser)
  • refactored pv_display
  • we now have a coherent, documented, exit status
  • modified pipe test and new cksum test from Sebastian Kayser
  • default CFLAGS to just "-O" for non-GCC (Kjetil Torgrim Homme)
  • LFS compile fix for OS X 10.4 (Alexandre de Verteuil)
  • remove DESTDIR / suffix (Sam Nelson, Daniel Pape)
  • fixed potential NULL deref in transfer (Elias Pipping / LLVM/Clang)

1.1.4 - 6 March 2008

  • patch from Elias Pipping correcting compilation failure on Darwin 9
  • patch from Patrick Collison correcting similar problems on OS X
  • trap SIGINT / SIGHUP / SIGTERM so we clean up IPCs on exit (Laszlo Ersek)
  • abort if numeric option, eg -L, has non-numeric value (Boris Lohner)

1.1.0 - 30 August 2007

  • new option --remote (-R) to control an already-running process
  • new option --line-mode (-l) to count lines instead of bytes
  • fix for -L to be less resource intensive
  • fix for input/output equivalence check on Mac OS X
  • fix for size calculation in pipelines on Mac OS X
  • fixed "make uninstall"
  • removed "/debian" directory at request of new Debian maintainer

1.0.1 - 4 August 2007

  • licensing change from Artistic to Artistic 2.0
  • removed the -l / --license option

1.0.0 - 2 August 2007

  • act more like "cat" - just skip unreadable files, don't abort
  • removed text version of manual page, and obsolete Info file generation
  • code cleanup and separation of PV internals from CLI front-end

0.9.9 - 5 February 2007

  • new option --buffer-size (-B) suggested by Mark Tomich
  • build fix: HP/UX largefile compile fix from Timo Savinen
  • maintain better buffer filling during transfers
  • workaround: "pv /dev/zero | dd bs=1M count=1k" bug (reported by Gert Menke)
  • dropped support for the Texinfo manual

0.9.6 - 27 February 2006

  • bugfix: key_t incompatibility with Cygwin
  • bugfix: interval (-i) parameter parses numbers after decimal point
  • build fix: use static NLS if msgfmt is unavailable
  • on the final update, blank out the now-zero ETA

0.9.2 - 1 September 2005

  • Daniel Roethlisberger patch: use lockfiles if terminal locking fails

0.9.1 - 16 June 2005

  • minor RPM spec file fix for Fedora Core 4

0.9.0 - 15 November 2004

  • minor NLS bugfix

0.8.9 - 6 November 2004

  • decimal values now accepted for rate and size, eg -L 1.23M
  • code cleanup
  • developers: "make help" now lists Makefile targets

0.8.6 - 29 June 2004

  • use uu_lock() for terminal locking on FreeBSD

0.8.5 - 2 May 2004

  • cursor positioning (-c) reliability improved on systems with IPC
  • minor fix: made test 005 more reliable
  • new option --height (-H)

0.8.2 - 24 April 2004

  • allow k,m,g,t suffixes on numbers
  • added "srpm" and "release" Makefile targets

0.8.1 - 19 April 2004

  • bugfix in cursor positioning (-c)

0.8.0 - 12 February 2004

  • replaced GNU getopt with my library code
  • replaced GNU gettext with my very minimal replacement
  • use DESTDIR instead of RPM_BUILD_ROOT for optional installation prefix
  • looked for flaws using RATS, cleaned up code

0.7.0 - 8 February 2004

  • display buffer management fixes (thanks Cédric Delfosse)
  • replaced --enable-debug with --enable-debugging and --enable-profiling

0.6.4 - 14 January 2004

  • fixed minor bug in RPM installation
  • bugfix in "make index" (only of interest to developers)

0.6.3 - 22 December 2003

  • fixed transient bug that reported "resource unavailable" occasionally

0.6.2 - 6 August 2003

  • block devices now have their size read correctly, so "pv /dev/hda1" works
  • minor code cleanups (mainly removal of CVS "Id" tags)

0.6.0 - 3 August 2003

  • doing ^Z then "bg" then "fg" now continues displaying

0.5.9 - 23 July 2003

  • fix for test 007 when not in C locale
  • fix for build process to use CPPFLAGS
  • fix for build process to use correct i18n libraries
  • fix for build process - more portable sed in dependency generator
  • fix for install process - remember to mkinstalldirs before installing
  • fixes for building on Mac OS X

0.5.3 - 4 May 2003

  • added Polish translation thanks to Bartosz Feński fenio@o2.pl http://skawina.eu.org/ and Krystian Zubel
  • moved doc/debian to ./debian at insistence of common sense
  • minor Solaris 8 compatibility fixes
  • seems to compile and test OK on Mac OS X

0.5.0 - 15 April 2003

  • added French translation thanks to Stéphane Lacasse stephane@gorfou.ca
  • added German translation thanks to Marcos Kreinacke public@kreinacke.com
  • switched LGPL reference from "Library" to "Lesser"

0.4.9 - 18 February 2003

  • support for >2GB files added where available (Debian bug #180986)
  • added doc/debian dir (from Cédric Delfosse)
  • added "make rpm" and "make deb" targets to build RPM and Debian packages
  • added a "make pv-static" rule to build a statically linked version

0.4.5 - 13 December 2002

  • added Portuguese (Brazilian) translation thanks to Eduardo Aguiar

0.4.4 - 7 December 2002

  • pause/resume support - don't count time while stopped
  • stop output when resumed in the background
  • terminal size change support
  • bugfix: "<=>" indicator no longer sticks at right hand edge

0.4.0 - 27 November 2002

  • allow decimal interval values, eg 0.1, 0.5, etc
  • some simple tests added ("make check")
  • smoother throughput limiting (--rate-limit), now done in 0.1sec chunks
  • bounds-check interval values (-i) - max update interval now 10 minutes
  • more reliable non-blocking output to keep display updated
  • no longer rely on atoll()
  • don't output final blank line if --numeric
  • use fcntl() instead of flock() for Solaris compatibility

0.3.0 - 25 November 2002

  • handle broken output pipe gracefully
  • continue updating display even when output pipe is blocking

0.2.6 - 21 October 2002

  • we now ignore EINTR on select()
  • variable-size buffer (still need to add code to change size)
  • added (tentative) support for internationalisation
  • removed superfluous --no-progress, etc options
  • optimised transfer by using bigger buffers, based on st_blksize
  • added --wait option to wait until transfer begins before showing progress
  • added --rate-limit option to limit rate to a maximum throughput
  • added --quiet option (no output at all) to be used with --rate-limit

0.2.5 - 23 July 2002

  • added [FILE]... arguments, like "cat"
  • function separation in code
  • some bug fixes related to numeric overflow

0.2.3 - 19 July 2002

  • Texinfo manual written, man page updated
  • byte counter added

0.2.0 - 18 July 2002

  • ETA counter added
  • screen width estimation added
  • progress bar added

0.1.0 - 17 July 2002

  • main loop created
  • rate counter added
  • elapsed time counter added
  • percentage calculation added

0.0.1 - 16 July 2002

  • package created
  • first draft of man page written
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