170 lines
6.4 KiB
Plaintext
170 lines
6.4 KiB
Plaintext
This file contains visible (incompatible) changes to the users.
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This version of tcsh has the following new things:
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6.08
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* %$variables are now expanded in the prompt.
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* print_by_columns prints in a single column if the output is not a tty.
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* REMOTEHOST contains only the IP address, not the host name of the machine.
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* names in .cshdirs are quoted.
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* exit value from 0..255 not -128..127 as posix mandates.
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6.07
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* Implicit cd when the variable implicitcd is set or set to verbose
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6.06
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* NLS Message Catalog support.
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6.05
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* The bind, aliases, linedit builtins are not used anymore; they are
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#ifdef'ed OBSOLETE and will be really removed in the next version
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* new filetest builtin
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* new hup builtin
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* =x obeys nonomatch
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* tcsh.man2html nroff to HTML converter for the tcsh manpage
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* prompt is now %# by default.
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* $REMOTEHOST contains the name of the remote host (optional)
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* $HOSTTYPE is going away. New variables $OSTYPE, $MACHTYPE, $VENDOR similar
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to the gnu ones.
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* $< can be interrupted and takes modifiers. Does not quote args by default
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like csh.
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6.04
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* Variable modifiers do not stop processing after the first one fails
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> set i=aabbcc
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> echo $i:s/a/A/:s/b/B/
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AaBbcc
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> echo $i:s/x/A/:s/b/B/
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aabbcc
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* set -r makes variables readonly
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* set nonomatch, echo ~notaser returns ~notauser instead of an error
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* file operators: Changed -s == !-z and -S == socket
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* $?0 returns false now on interactive shells for csh compatibility.
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* %p%P include seconds in prompt strings.
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6.03
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* $%var contains the number of characters in $var.
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* Shell -w -x are now POSIX compliant on POSIX machines.
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* Imported environment variables are not globbed.
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* $dirstack can be used to set and examine the directory stack.
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* $? == $status and $# == $#argv like in the bourne shell.
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* expand variables expands arrays too (but not array elements yet).
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* $0 contains argv[0] on interactive shells.
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* new -b -c etc file operators from SGI csh.
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* nostat takes a list of shell patterns.
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* symbolic names for arrow key bindings [left, right, up, down]
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* shift, left operators update variables correctly.
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* builtins builtin.
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* history and dirs accept now -LSc flags.
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* $history accepts an optional second argument, that can change the
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history builtin output similar to the $time format.
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* History timestamps preserved in .history. The history file contains
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now the timestamps as csh comments.
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6.02
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* ignore_symlinks and chase_symlinks are replaced with symlinks=ignore
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and symlinks=chase; symlinks=expand addition
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* complete and uncomplete builtins; user-programmable completion additions.
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* Tcsh now uses the rightmost column of the terminal, allowing cut-and-paste
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operations in terminal emulators that work [xterm R5 not R4]
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* echo_style controls now the behaviour of the builtin echo; the default
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should match the builtin echo of /bin/csh; if your system does not
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come with csh, then the default echo should match /bin/echo.
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* cd -; changes to the previous directory.
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* setting dunique variable pushes only unique directories on the directory
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stack.
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* source builtin allows additional arguments that get passed in $argv in
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the sourced script.
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* tcsh now mirrors correctly all exported csh variables [term=TERM,path=PATH
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etc.]
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* showdots=-A makes listing behave like ls -A.
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* directory stack access =<num> allows for entries > 9.
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* $a:u uppercase the first character in $a, $a:l downcases the first
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character in $a.
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* Shorthand for file tests in 'if' expressions ( -dx file ) is the
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same as ( -d file && -x file )
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6.01
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* Nothing new.
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6.00 PL3
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* %d in the prompt is the week-day and no longer $cwd; use %/ instead.
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* changes in the prompt format. Date changes to accomodate people from
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down under.
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* vi insert mode to command mode transition does not move the cursor.
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6.00 PL2
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* setty builtin
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This is used to specify what tcsh modes can be altered using stty,
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Modes that should be set are specified as +<mode>, modes that should
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be cleared are specified as -<mode>, and the ones that should be
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untouched are specified as <mode>. setty with no arguments prints
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the modes that are affected by tcsh, and setty -a prints all modes.
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* multiple : modifiers in variables and ! escapes. Things like:
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> set prompt="$host:r:$cwd>"
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don't work any more, they should be replaced with
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> set prompt="${host:r}:$cwd>"
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or
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> set prompt="$host:r"":$cwd>"
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the reason is that now you can
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> set foo=/usr/local/a.b.c
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> echo $foo:t:r:e
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b
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If for some reason you don't like this change you can disable it with
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-DCOMPAT. -DCOMPAT may go away in future tcsh versions and the way tcsh
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works now is the way the 4.4BSD csh works.
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6.00 PL1
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* There is no more config.iris4d, use config.sgi instead
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6.00
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* History searching searches using shell patterns too.
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* The autolist values that controlled beeping are not supported any more;
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used matchbeep instead.
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* /etc/Login and /etc/Logout were renamed to /etc/csh.login /etc/csh.logout
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and /etc/csh.cshrc was added
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* prompt2 and prompt3 can have prompt escapes.
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* eval pipes work
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* ignore_symlinks works
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5.20 PL2
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* %{..%} escapes in prompt
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5.20 PL0
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* bindkey -r
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* history -t
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* shell variables in paths expand correctly.
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* variable expansion
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* quoted expansions now work.
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* new version and tcsh variable format
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5.19 PL2
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* NLS support
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* New bindkey and echotc builtins
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* Underline and Bold in the prompt; additions and changes to the prompt and
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who syntax (%u is now %n, so that %u can be used to turn undeline off,
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and %n is now \n).
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* rmstar needs to be set to protect from accidental removal
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* Fixed editor, and spell line.
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* Glob-expand, on arguments.
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* Added process migration builtins for aix370
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5.19 PL1
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* Maintainance release for mainly the rs6000
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5.19 PL0
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* 8 bit clean code, by using 16 bit strings.
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* Mostly shared strings (a side-effect)
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* Highlights everywhere (and in ls-F) filenames that contain characters
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with the eighth bit set (or passes them unchanged depending on the
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variable 'nometa')
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* Newline in the prompt via %n.
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* dirs takes also a -v flag for `vertical display'
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* There is a new variable `listjobs' which controls if and how jobs
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are displayed when a new job is suspended. [Idea from the mtXinu
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code, very useful for novice users who hit control-Z 10 times on
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the same job!]
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set listjobs=long, jobs -l is executed every time a job is suspended.
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set listjobs=short, jobs is executed every time a job is suspended.
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* Passes lint... At least on a sun.
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