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116 lines
3.8 KiB
Plaintext
116 lines
3.8 KiB
Plaintext
This file details the changes between the previous release of CWRU bash
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(3/10/93) and this release.
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1. Bugs Fixed
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New version of endian.c that handles 64-bit machines better
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added code to make readline reset itself when $TERMINFO changes
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fixed memory leaks in:
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builtins/exec.def
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lib/readline/history.c
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lib/readline/readline.c
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parse.y
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subst.c
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variables.c
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dispose_cmd.c
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mailcheck.c
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bashline.c
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execute_cmd.c
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shell.c
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make sure that bash_symbolic_link_hook calls get_working_directory with a
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non-empty string argument
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check the return value of getdtablesize() for bad values
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make the job control tty handlers print error message only if the shell is
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currently interactive
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process substitution no longer tries to close every file descriptor
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fixed up the source to contain more extern function declarations rather than
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casting the return values
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fixed up handling of embedded quoted strings by the parser so that $ is not
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a special character while parsing one
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added escape handling to the read builtin so backslashes can escape $IFS
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characters
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fixed the brace expansion code so that backslash can act as a delimiter and
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can escape `"' in a double-quoted string
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the `<>' redirection needs to open the file O_RDWR|O_CREAT for Posix.2
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compatibility
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fixed up the here document reading code so that it will remove backslash-
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quoted newlines if the document delimiter is not quoted
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fixed up the unwind_protect_var code so that the same strategy is used
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for both saving and restoring variables
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completion functions may now tell readline not to attempt filename completion
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by returning (char **) -1
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improved the error message printed by get_working_directory
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Compile for solaris if either USGr4 or __svr4__ is defined
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bash does not perform a getwd() on startup unless the inherited value of
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$PWD is wrong or $PWD was not in the environment
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fixed up the trap saving and restoring code so that savetrap=$(trap) works
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like Posix.2 says it should
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non-interactive shells are now much better about cleaning up dead processes
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and jobs on both job control and non job control systems
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fixed the code that saves and restores the dollar variables around a `.'
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script so that if the script changes the positional parameters, the old
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values are not restored
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fixed the tokenizer so that it will not return ASSIGNMENT_WORD while
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parsing a case statement pattern list
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redid the implementation of cprintf for systems without varargs
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fixed up the variable expansion code so that illegal variable names in ${ }
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expansion now generate errors rather than produce incorrect results
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fixed up some problems with default_buffered_input and the implicit redirection
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of fd 0 to /dev/null for asynchronous commands without job control
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new function internal_error for shell internal error messages
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changed the sigint signal handler in nojobs.c to do nothing when it's called,
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not even run a signal handler
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made the command substitution code more careful about file descriptors when
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errors occur
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2. New Features
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SIGWINCH causes bash to reset the values of $LINES and $COLUMNS for both
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readline and non-readline systems
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changed the code in readline that handled conditional parsing of `$if term='
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to test the terminal name given to $if against both the `long' and `short'
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(portion up to the first `-') forms of the terminal name
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the completion code now single-quotes a match that contains a shell word
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break character
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the readline code does not define USE_XON_XOFF. This causes output to be
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swallowed when using bash over a relatively slow line (like a modem line).
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there is now a bindable readline function to do only history expansion;
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bound to M-^ (M-! was already taken)
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ulimit now has a -u option to set and get the limit for the maximum number
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of user processes
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config.h.mini is a `minimal' configuration file that compiles out just about
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everything
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