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suckless unix tools https://core.suckless.org/sbase
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FRIGN a582cb8a2f Rewrite tr(1) in a sane way 
tr(1) always used to be a saddening part of sbase, which was
inherently broken and crufted.
But to be fair, the POSIX-standard doesn't make it very simple.
Given the current version was unfixable and broken by design, I
sat down and rewrote tr(1) very close to the concept of set theory
and the POSIX-standard with a few exceptions:

 - UTF-8: not allowed in POSIX, but in my opinion a must. This
          finally allows you to work with UTF-8 streams without
          problems or unexpected behaviour.
 - Equivalence classes: Left out, even GNU coreutils ignore them
                        and depending on LC_COLLATE, which sucks.
 - Character classes: No experiments or environment-variable-trickery.
                      Just plain definitions derived from the POSIX-
                      standard, working as expected.

I tested this thoroughly, but expect problems to show up in some
way given the wide range of input this program has to handle.
The only thing left on the TODO is to add support for literal
expressions ('\n', '\t', '\001', ...) and probably rethinking
the way [_*n] is unnecessarily restricted to string2.
2015-01-10 14:26:30 +00:00
libutf Rewrite tr(1) in a sane way 2015-01-10 14:26:30 +00:00
libutil cp: Rename -d option to -P 2014-12-08 10:02:56 +00:00
arg.h Rename __ARG_H__ to ARG_H__ 2013-11-25 21:29:20 +00:00
basename.1 Update basename manpage 2014-11-21 12:15:45 +00:00
basename.c Fix comparison >= 0 is always true in basename(1) 2014-12-08 12:14:39 +00:00
cal.1 cal: Removed unused "day" variable 2015-01-07 03:21:12 +00:00
cal.c cal: Removed unused "day" variable 2015-01-07 03:21:12 +00:00
cat.1 add sleep & date, thanks kamil 2011-05-23 19:00:31 +01:00
cat.c read stdin if arg is exactly "-" not just begins with '-' 2014-11-18 21:53:37 +00:00
chgrp.1 Tar compiles on BSD, thanks Roberto E. Vargas Caballero. Also remove tons of trailing whitespace. 2013-07-20 01:27:42 -04:00
chgrp.c chgrp: Only check errno if getgrnam() fails 2014-12-21 12:14:26 +00:00
chmod.1 Add sticky bit to documentation. 2013-10-20 10:41:32 +01:00
chmod.c Use < 0 instead of == -1 2014-11-19 20:09:29 +00:00
chown.1 chown: update usage 2014-07-21 16:43:54 +01:00
chown.c Use < 0 instead of == -1 2014-11-19 20:09:29 +00:00
chroot.1 Tar compiles on BSD, thanks Roberto E. Vargas Caballero. Also remove tons of trailing whitespace. 2013-07-20 01:27:42 -04:00
chroot.c Use < 0 instead of == -1 2014-11-19 20:09:29 +00:00
cksum.1 cksum: error check 2011-06-10 04:36:40 +01:00
cksum.c Tweak NULL-pointer checks 2014-11-14 10:54:30 +00:00
cmp.1 Another update to cmp.1 2014-11-21 13:12:36 +00:00
cmp.c cmp(1) is POSIX compliant so mention it in the manpage 2014-11-21 12:32:07 +00:00
cols.1 Forgot .El in cols.1 2014-12-08 15:15:12 +00:00
cols.c Update cols manpage 2014-12-08 15:14:08 +00:00
comm.1 Add comm 2013-06-19 20:00:10 +02:00
comm.c Fix two more instances where the check for "-" is insufficient 2014-11-18 21:58:50 +00:00
compat.h Add compat.h 2014-11-17 15:46:28 +00:00
config.mk Import strcasestr() from musl and remove -D_GNU_SOURCE 2014-11-20 23:46:06 +00:00
cp.1 cp: Rename -d option to -P 2014-12-08 10:02:56 +00:00
cp.c cp: Rename -d option to -P 2014-12-08 10:02:56 +00:00
cron.1 Add minimal cron.1 2014-12-16 11:04:18 +00:00
cron.c Rename crond to cron 2014-12-16 11:04:07 +00:00
crypt.h checksum tools: implement -c 2014-03-23 18:02:39 +00:00
cut.1 Add cut(1) 2013-10-08 20:41:32 +01:00
cut.c cut: clean up file loop 2014-12-18 15:17:48 +00:00
date.1 Add -u option to date (POSIX and Plan 9, and useful) 2012-04-23 08:32:24 -07:00
date.c Fix coding style 2014-11-13 18:08:43 +00:00
dirname.1 Fix argument naming in dirname(1) 2014-11-13 14:56:34 +00:00
dirname.c Fix coding style 2014-11-13 18:08:43 +00:00
du.1 du: add -d flag to specify the max depth to show files or directories 2014-10-18 23:57:00 +01:00
du.c du: fix eprintf parameter 2014-12-22 10:34:29 +00:00
echo.1 initial commit 2011-05-23 02:36:34 +01:00
echo.c Un-boolify sbase 2014-11-14 10:54:20 +00:00
env.1 Tar compiles on BSD, thanks Roberto E. Vargas Caballero. Also remove tons of trailing whitespace. 2013-07-20 01:27:42 -04:00
env.c Sort includes and more cleanup and fixes in util/ 2014-11-14 10:54:10 +00:00
expand.1 Implement -i flag for expand 2014-06-09 17:00:33 +01:00
expand.c Handle non-power-of-two tab sizes in expand(1) 2014-12-04 22:26:08 +00:00
expr.1 Add expr.1 2014-09-29 14:22:59 +01:00
expr.c Refactor expr.c 2014-11-17 15:05:49 +00:00
false.1 initial commit 2011-05-23 02:36:34 +01:00
false.c Simplify true(1) and false(1) 2014-10-03 00:03:08 +01:00
fold.1 fold: clarify utf8 behaviour in manpage 2012-05-25 21:51:24 +01:00
fold.c remove agetline 2014-11-18 21:05:28 +00:00
fs.h cp: Rename -d option to -P 2014-12-08 10:02:56 +00:00
grep.1 Fix grammar in grep.1 2014-11-21 14:22:33 +00:00
grep.c grep: Reuse allocated buffers 2014-12-16 20:21:56 +00:00
head.1 add tail 2011-05-26 16:18:42 -01:00
head.c Print header in head(1) 2014-11-20 22:52:05 +00:00
hostname.1 Add hostname(1) 2013-10-05 14:58:55 +01:00
hostname.c Fix coding style 2014-11-13 18:08:43 +00:00
kill.1 Fix .SH to .Sh in kill.1 2014-11-23 13:22:55 +00:00
kill.c Un-boolify sbase 2014-11-14 10:54:20 +00:00
LICENSE Various cal(1) improvements 2015-01-02 13:14:41 +00:00
link.1 Add link(1) 2014-10-17 15:36:16 +01:00
link.c Fix coding style 2014-11-13 18:08:43 +00:00
ln.1 ln: Add support for target directories 2014-11-23 20:58:15 +00:00
ln.c ln: Add support for target directories 2014-11-23 20:58:15 +00:00
logger.1 Implement POSIX 2008 compliant logger(1) 2014-12-04 11:36:40 +00:00
logger.c logger: Don't bother freeing buf 2014-12-16 20:14:40 +00:00
logname.1 Add logname(1) 2014-10-17 15:36:27 +01:00
logname.c Fix coding style 2014-11-13 18:08:43 +00:00
ls.1 ls: Handle symlinks to directories properly 2014-12-08 10:02:09 +00:00
ls.c ls: No need to set errno to zero 2014-12-22 11:28:20 +00:00
Makefile Rewrite tr(1) in a sane way 2015-01-10 14:26:30 +00:00
md5.h Add crypt.[ch] and update md5sum and sha1sum 2013-07-18 09:51:17 -04:00
md5sum.1 update some man pages 2014-04-12 20:33:33 +01:00
md5sum.c Staticise globals 2014-11-17 13:39:11 +00:00
mkdir.1 Implement -m option for mkdir 2013-10-05 13:51:45 +01:00
mkdir.c Use < 0 instead of == -1 2014-11-19 20:09:29 +00:00
mkfifo.1 Implement -m for mkfifo(1) 2013-11-30 20:58:15 +00:00
mkfifo.c Don't stop at first failure in mkfifo(1) 2014-11-22 11:18:21 +00:00
mktemp.1 Forgot to update manpage for mktemp(1) 2013-11-14 19:50:07 +00:00
mktemp.c Fix coding style 2014-11-13 18:08:43 +00:00
mv.1 Support -f for mv 2013-10-05 13:51:45 +01:00
mv.c Un-boolify sbase 2014-11-14 10:54:20 +00:00
nice.1 Tar compiles on BSD, thanks Roberto E. Vargas Caballero. Also remove tons of trailing whitespace. 2013-07-20 01:27:42 -04:00
nice.c Use PRIO_{MIN,MAX} instead of NZERO 2014-11-17 15:02:51 +00:00
nl.1 Update nl(1) manpage 2014-12-04 13:50:15 +00:00
nl.c Update nl(1) manpage 2014-12-04 13:50:15 +00:00
nohup.1 nohup: tweak manpage 2011-06-18 14:42:06 +01:00
nohup.c Use < 0 instead of == -1 2014-11-19 20:09:29 +00:00
paste.1 Tar compiles on BSD, thanks Roberto E. Vargas Caballero. Also remove tons of trailing whitespace. 2013-07-20 01:27:42 -04:00
paste.c Convert codebase to use emalloc.c utility-functions 2014-11-16 10:22:39 +00:00
printenv.1 Tar compiles on BSD, thanks Roberto E. Vargas Caballero. Also remove tons of trailing whitespace. 2013-07-20 01:27:42 -04:00
printenv.c Style fix 2014-11-16 13:17:06 +00:00
printf.1 Add printf.1 2014-09-29 14:35:35 +01:00
printf.c Import printf(1) from OpenBSD 2014-09-28 15:12:15 +01:00
pwd.1 Update pwd.1 2014-11-23 12:56:19 +00:00
pwd.c Use < 0 instead of == -1 2014-11-19 20:09:29 +00:00
queue.h Use queue.h in grep(1) 2014-11-16 12:39:15 +00:00
readlink.1 Add readlink 2013-06-16 07:46:01 +02:00
readlink.c State the reason for failure in readlink(1) 2014-12-04 12:14:59 +00:00
README Rename crond to cron 2014-12-16 11:04:07 +00:00
renice.1 renice(1): renice is not PASTE 2014-05-06 16:21:56 +01:00
renice.c Use < 0 instead of == -1 2014-11-19 20:09:29 +00:00
rm.1 Add -R as a synonym to -r for rm(1) 2013-12-12 13:15:47 +00:00
rm.c Un-boolify sbase 2014-11-14 10:54:20 +00:00
rmdir.1 Tar compiles on BSD, thanks Roberto E. Vargas Caballero. Also remove tons of trailing whitespace. 2013-07-20 01:27:42 -04:00
rmdir.c Use < 0 instead of == -1 2014-11-19 20:09:29 +00:00
runetypebody.h Import libutf from http://git.suckless.org/libutf 2014-11-17 15:46:01 +00:00
seq.1 Tar compiles on BSD, thanks Roberto E. Vargas Caballero. Also remove tons of trailing whitespace. 2013-07-20 01:27:42 -04:00
seq.c Un-boolify sbase 2014-11-14 10:54:20 +00:00
setsid.1 Add setsid(1) by arg 2013-10-05 14:58:55 +01:00
setsid.c Sort includes and more cleanup and fixes in util/ 2014-11-14 10:54:10 +00:00
sha1.h Add crypt.[ch] and update md5sum and sha1sum 2013-07-18 09:51:17 -04:00
sha1sum.1 update some man pages 2014-04-12 20:33:33 +01:00
sha1sum.c Staticise globals 2014-11-17 13:39:11 +00:00
sha256.h Add sha256sum(1) 2013-07-20 13:20:16 -04:00
sha256sum.1 update some man pages 2014-04-12 20:33:33 +01:00
sha256sum.c Staticise globals 2014-11-17 13:39:11 +00:00
sha512.h Add sha512sum(1) 2013-08-04 11:00:34 -04:00
sha512sum.1 update some man pages 2014-04-12 20:33:33 +01:00
sha512sum.c Staticise globals 2014-11-17 13:39:11 +00:00
sleep.1 update manpages 2011-05-25 18:29:46 +01:00
sleep.c Fix coding style 2014-11-13 18:08:43 +00:00
sort.1 sort: Implement -c and -C flags 2014-11-23 19:42:14 +00:00
sort.c Nuke another freelist() 2014-12-16 21:02:03 +00:00
split.1 Tar compiles on BSD, thanks Roberto E. Vargas Caballero. Also remove tons of trailing whitespace. 2013-07-20 01:27:42 -04:00
split.c Use < 0 instead of == -1 2014-11-19 20:09:29 +00:00
sponge.1 actually add the .c and .1 files 2013-07-02 13:26:24 -04:00
sponge.c Fix error message 2014-11-16 13:20:36 +00:00
strings.1 Add note about standards for strings.1 2014-11-23 12:46:24 +00:00
strings.c Respect exit status in strings(1) and update manpage 2014-11-23 12:44:38 +00:00
sync.1 Tar compiles on BSD, thanks Roberto E. Vargas Caballero. Also remove tons of trailing whitespace. 2013-07-20 01:27:42 -04:00
sync.c Fix coding style 2014-11-13 18:08:43 +00:00
tail.1 fix typo 2011-05-27 00:54:10 +01:00
tail.c Print header in tail(1) 2014-11-20 23:09:42 +00:00
tar.1 Tar compiles on BSD, thanks Roberto E. Vargas Caballero. Also remove tons of trailing whitespace. 2013-07-20 01:27:42 -04:00
tar.c Un-boolify sbase 2014-11-14 10:54:20 +00:00
tee.1 initial commit 2011-05-23 02:36:34 +01:00
tee.c tee: nuke useless free() 2014-12-16 21:12:00 +00:00
test.1 Update manpage for binary operations in test(1) 2013-11-11 12:01:47 +00:00
test.c Un-boolify sbase 2014-11-14 10:54:20 +00:00
text.h remove agetline 2014-11-18 21:05:28 +00:00
TODO Update TODO 2014-12-21 00:01:58 +00:00
touch.1 add mkdir 2011-05-26 05:47:58 +01:00
touch.c Use < 0 instead of == -1 2014-11-19 20:09:29 +00:00
tr.1 Improved tr 2014-07-16 20:40:54 +01:00
tr.c Rewrite tr(1) in a sane way 2015-01-10 14:26:30 +00:00
true.1 initial commit 2011-05-23 02:36:34 +01:00
true.c Simplify true(1) and false(1) 2014-10-03 00:03:08 +01:00
tty.1 add tty 2011-06-02 21:15:35 +01:00
tty.c Sort includes and more cleanup and fixes in util/ 2014-11-14 10:54:10 +00:00
uname.1 fix manpages 2011-06-02 20:38:48 +01:00
uname.c Un-boolify sbase 2014-11-14 10:54:20 +00:00
unexpand.1 Add unexpand(1) 2014-06-09 17:00:13 +01:00
unexpand.c unexpand: fix eprintf 2014-12-22 10:34:29 +00:00
uniq.1 uniq: WTFM 2012-05-21 23:46:22 +00:00
uniq.c remove agetline 2014-11-18 21:05:28 +00:00
unlink.1 Tar compiles on BSD, thanks Roberto E. Vargas Caballero. Also remove tons of trailing whitespace. 2013-07-20 01:27:42 -04:00
unlink.c Use < 0 instead of == -1 2014-11-19 20:09:29 +00:00
utf.h Rewrite tr(1) in a sane way 2015-01-10 14:26:30 +00:00
util.h Import strcasestr() from musl and remove -D_GNU_SOURCE 2014-11-20 23:46:06 +00:00
uudecode.1 Initial commit of the uudecode tool and man page 2014-02-02 20:50:31 +00:00
uudecode.c remove agetline 2014-11-18 21:05:28 +00:00
uuencode.1 Add uuencode(1) 2014-01-31 15:29:11 +00:00
uuencode.c Fix coding style 2014-11-13 18:08:43 +00:00
wc.1 getopt 2011-05-24 01:13:34 +01:00
wc.c Un-boolify sbase 2014-11-14 10:54:20 +00:00
xargs.1 update some man pages 2014-04-12 20:33:33 +01:00
xargs.c Use < 0 instead of == -1 2014-11-19 20:09:29 +00:00
yes.1 Tar compiles on BSD, thanks Roberto E. Vargas Caballero. Also remove tons of trailing whitespace. 2013-07-20 01:27:42 -04:00
yes.c Fix coding style 2014-11-13 18:08:43 +00:00

README 

sbase - suckless unix tools
===========================

sbase  is a  collection of  unix  tools that  are inherently  portable
across UNIX and UNIX-like systems.

The following tools are implemented:

UTILITY         POSIX 2008 COMPLIANT            MISSING OPTIONS
-------         --------------------            ---------------
basename
cal
cat             yes                             none
chgrp
chmod
chown
chroot
cksum
cmp
cols
comm
cp
cron
cut
date
dirname
du
echo
env
expand
expr
false
fold
grep
head
hostname
kill            yes                             none
link
ln
logger          yes
logname
ls
md5sum
mkdir
mkfifo
mktemp
mv
nice
nl
nohup
paste
printenv
printf
pwd
readlink
renice
rm
rmdir
sleep
setsid
sort
split
sponge
strings
sync
tail
tar
tee
test
touch
tr
true
tty
uudecode
uuencode
uname
unexpand
uniq
unlink
seq
sha1sum
sha256sum
sha512sum
wc
xargs
yes

The  complement of  sbase  is  ubase[1] which  is  Linux-specific  and
provides all  the non-portable tools.   Together they are  intended to
form a base system similar to busybox but much smaller and suckless.

Building
--------

You need GNU make to build sbase on OpenBSD.

To  build sbase,  simply  type  make.  You  may  have  to fiddle  with
config.mk depending on your system.

You  can  also  build  sbase-box,  which  generates  a  single  binary
containing  all  the  required  tools.    You  can  then  symlink  the
individual tools to sbase-box.

Ideally you will  want to statically link sbase.  If  you are on Linux
we recommend using musl-libc[2].

Portability
-----------

sbase has been  compiled on a variety of  different operating systems,
including Linux, *BSD, OSX, Haiku, Solaris, SCO OpenServer and others.

Various combinations of operating  systems and architectures have also
been built.

You can build sbase with gcc, clang, tcc, nwcc and pcc.

[1] http://git.suckless.org/ubase/
[2] http://www.musl-libc.org/