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#! | 169 lines | 151 code | 18 blank | 0 comment | 0 complexity | 9d75286dbca1024b7c9b86abe4c8134f MD5 | raw file
  1This file contains visible (incompatible) changes to the users.
  2This version of tcsh has the following new things:
  5* %$variables are now expanded in the prompt.
  6* print_by_columns prints in a single column if the output is not a tty.
  7* REMOTEHOST contains only the IP address, not the host name of the machine.
  8* names in .cshdirs are quoted.
  9* exit value from 0..255 not -128..127 as posix mandates.
 12* Implicit cd when the variable implicitcd is set or set to verbose
 15* NLS Message Catalog support.
 18* The bind, aliases, linedit builtins are not used anymore; they are
 19  #ifdef'ed OBSOLETE and will be really removed in the next version
 20* new filetest builtin
 21* new hup builtin
 22* =x obeys nonomatch
 23* tcsh.man2html nroff to HTML converter for the tcsh manpage
 24* prompt is now %# by default.
 25* $REMOTEHOST contains the name of the remote host (optional)
 26* $HOSTTYPE is going away. New variables $OSTYPE, $MACHTYPE, $VENDOR similar
 27  to the gnu ones.
 28* $< can be interrupted and takes modifiers. Does not quote args by default
 29  like csh.
 32* Variable modifiers do not stop processing after the first one fails
 33     > set i=aabbcc
 34     > echo $i:s/a/A/:s/b/B/
 35     AaBbcc
 36     > echo $i:s/x/A/:s/b/B/
 37     aabbcc
 38* set -r makes variables readonly
 39* set nonomatch, echo ~notaser returns ~notauser instead of an error
 40* file operators: Changed -s == !-z and -S == socket
 41* $?0 returns false now on interactive shells for csh compatibility.
 42* %p%P include seconds in prompt strings.
 45* $%var contains the number of characters in $var.
 46* Shell -w -x are now POSIX compliant on POSIX machines.
 47* Imported environment variables are not globbed.
 48* $dirstack can be used to set and examine the directory stack.
 49* $? == $status and $# == $#argv like in the bourne shell.
 50* expand variables expands arrays too (but not array elements yet).
 51* $0 contains argv[0] on interactive shells.
 52* new -b -c etc file operators from SGI csh.
 53* nostat takes a list of shell patterns.
 54* symbolic names for arrow key bindings [left, right, up, down]
 55* shift, left operators update variables correctly.
 56* builtins builtin.
 57* history and dirs accept now -LSc flags.
 58* $history accepts an optional second argument, that can change the
 59  history builtin output similar to the $time format.
 60* History timestamps preserved in .history. The history file contains
 61  now the timestamps as csh comments.
 65* ignore_symlinks and chase_symlinks are replaced with symlinks=ignore
 66  and symlinks=chase; symlinks=expand addition
 67* complete and uncomplete builtins; user-programmable completion additions.
 68* Tcsh now uses the rightmost column of the terminal, allowing cut-and-paste
 69  operations in terminal emulators that work [xterm R5 not R4]
 70* echo_style controls now the behaviour of the builtin echo; the default
 71  should match the builtin echo of /bin/csh; if your system does not
 72  come with csh, then the default echo should match /bin/echo.
 73* cd -; changes to the previous directory.
 74* setting dunique variable pushes only unique directories on the directory
 75  stack.
 76* source builtin allows additional arguments that get passed in $argv in
 77  the sourced script.
 78* tcsh now mirrors correctly all exported csh variables [term=TERM,path=PATH
 79  etc.]
 80* showdots=-A makes listing behave like ls -A. 
 81* directory stack access =<num> allows for entries > 9.
 82* $a:u uppercase the first character in $a, $a:l downcases the first
 83  character in $a.
 84* Shorthand for file tests in 'if' expressions ( -dx file ) is the
 85  same as ( -d file && -x file )
 88* Nothing new.
 906.00 PL3
 91* %d in the prompt is the week-day and no longer $cwd; use %/ instead.
 92* changes in the prompt format. Date changes to accomodate people from
 93  down under. 
 94* vi insert mode to command mode transition does not move the cursor.
 966.00 PL2
 97* setty builtin
 98  This is used to specify what tcsh modes can be altered using stty,
 99  Modes that should be set are specified as +<mode>, modes that should 
100  be cleared are specified as -<mode>, and the ones that should be 
101  untouched are specified as <mode>. setty with no arguments prints
102  the modes that are affected by tcsh, and setty -a prints all modes.
103* multiple : modifiers in variables and ! escapes. Things like:
104      > set prompt="$host:r:$cwd>"
105  don't work any more, they should be replaced with
106      > set prompt="${host:r}:$cwd>"
107  or
108      > set prompt="$host:r"":$cwd>"
109  the reason is that now you can
110      > set foo=/usr/local/a.b.c
111      > echo $foo:t:r:e
112      b
113  If for some reason you don't like this change you can disable it with
114  -DCOMPAT. -DCOMPAT may go away in future tcsh versions and the way tcsh
115  works now is the way the 4.4BSD csh works.
1176.00 PL1
118* There is no more config.iris4d, use config.sgi instead
121* History searching searches using shell patterns too.
122* The autolist values that controlled beeping are not supported any more;
123  used matchbeep instead.
124* /etc/Login and /etc/Logout were renamed to /etc/csh.login /etc/csh.logout
125  and /etc/csh.cshrc was added
126* prompt2 and prompt3 can have prompt escapes.
127* eval pipes work
128* ignore_symlinks works
1305.20 PL2
131* %{..%} escapes in prompt
1335.20 PL0
134* bindkey -r
135* history -t
136* shell variables in paths expand correctly.
137* variable expansion 
138* quoted expansions now work.
139* new version and tcsh variable format
1415.19 PL2
142* NLS support
143* New bindkey and echotc builtins
144* Underline and Bold in the prompt; additions and changes to the prompt and 
145  who syntax (%u is now %n, so that %u can be used to turn undeline off, 
146  and %n is now \n).
147* rmstar needs to be set to protect from accidental removal
148* Fixed editor, and spell line.
149* Glob-expand, on arguments.
150* Added process migration builtins for aix370
1525.19 PL1
153* Maintainance release for mainly the rs6000
1555.19 PL0
156* 8 bit clean code, by using 16 bit strings.
157* Mostly shared strings (a side-effect)
158* Highlights everywhere (and in ls-F) filenames that contain characters
159  with the eighth bit set (or passes them unchanged depending on the
160  variable 'nometa')
161* Newline in the prompt via %n.
162* dirs takes also a -v flag for `vertical display'
163* There is a new variable `listjobs' which controls if and how jobs
164  are displayed when a new job is suspended. [Idea from the mtXinu 
165  code, very useful for novice users who hit control-Z 10 times on
166  the same job!]
167  set listjobs=long, jobs -l is executed every time a job is suspended.
168  set listjobs=short, jobs is executed every time a job is suspended.
169* Passes lint... At least on a sun.