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User-visible changes in release 1.10
* new program: fmt
* tail -f on multiple files reports file truncation
* tail -q corrected so it never prints headers
* wc -c is much faster when operating on non-regular files
* unexpand gives a diagnostic (rather than a segfault) when given a name of
a nonexistent file.
* cat, csplit, head, split, sum, tac, tail, tr, and wc no longer fail
gratuitously when continued after a suspended read or write system call.
* cut interprets -d '' to mean `use the NUL byte as the delimiter.' rather
than reporting that no delimiter was specified.
* `echo a:b:c: | cut -d: -f3,4' prints `c:'. Before it printed just `c'.
* cut has been rewritten, is markedly faster for large inputs, and passes a
fairly large test suite.
* sort properly handles the argument to the -T option.
Major changes in release 1.9.1:
* cut no longer ignores the last line of input when that line lacks a
trailing newline character
Major changes in release 1.9:
* `echo a:b:c: | cut -d: -f3-' prints `c:' and
`echo a:b | cut -d: -f1' prints `a'.
* the command `printf '\t\n' |fold -w n' now terminates.
Before, it wouldn't stop for n less than 8.
* sort accepts and ignores -y[string] options for compatibilty with Solaris.
* cat -v /dev/null works on more systems
* od's --compatible (-C) flag renamed to --traditional (no short option)
* --help and --version exit successfully
* --help gives a one-line description of each option and shows the
correspondence between short and long-named options.
* fix bug in cut. Now `echo 'a:b:c:' | cut -d: -f3-' works.
Before it printed `c' instead of `c:'
* csplit allows repeat counts to be specified via `{*}'.
* csplit accepts a new option, --suffix=format that supercedes the
--digits option. The --digits option will continue to work.
* csplit accepts a new option, --elide-empty-files.
* configure uses config.h, so DEFS won't exceed preprocessor limits of
some compilers on the number of symbols defined via -D.
* work around problem where $(srcdir)/config.h was used instead of
../config.h -- this happened only when building in a subdirectory
and when config.h remained in $(srcdir) from a previous ./configure.
Major changes in release 1.8:
* added non-ANSIfied version of memchr.c from GNU libc.
Major changes in release 1.7:
* none
Major changes in release 1.6:
* with the --version option programs print the version and exit immediately
* pr -2a really terminates
* pr -n produces multi-column output
Major changes in release 1.5:
* sort is 8-bit clean
* sort's -n and -M options no longer imply -b
* several bugs in sort have been fixed
* all programs accept --help and --version options
* od --compatible accepts pre-POSIX arguments
* pr -2a terminates
Major changes in release 1.4:
* add od and cksum programs
* move cmp to GNU diff distribution
* tail -f works for multiple files
* pr prints the file name in error messages
* fix some off by 1 errors in pr and fold
* optimize wc -c on regular files
* sort handles `-' argument correctly
* sort supports -T option
* tr ranges like a-a work
* tr x '' fails gracefully
* default sum output format is BSD compatible
* paste -d '' works
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