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Imported from ../bash-2.01.tar.gz.

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Jari Aalto 1997-06-05 14:59:13 +00:00
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COMPAT
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This document details the incompatibilites between this version of bash,
bash-2.0, and the previous version, bash-1.14. These were discovered
by alpha and beta testers, so they will likely be encountered by a
significant number of users.
bash-2.01, and the previous widely-available version, bash-1.14. These
were discovered by alpha and beta testers, so they will likely be
encountered by a significant number of users.
1. Bash now uses a new quoting syntax, $"...", to do locale-specific
string translation. Users who have relied on the (undocumented)
@ -71,8 +71,33 @@ significant number of users.
command_oriented_history, glob_dot_filenames, allow_null_glob_expansion,
nolinks, hostname_completion_file, noclobber, no_exit_on_failed_exec, and
cdable_vars. Most of them are now implemented with the new `shopt'
builtin; others were already implemented by `set'.
builtin; others were already implemented by `set'. Here is a list of
correspondences:
MAIL_WARNING shopt mailwarn
notify set -o notify
history_control HISTCONTROL
command_oriented_history shopt cmdhist
glob_dot_filenames shopt dotglob
allow_null_glob_expansion shopt nullglob
nolinks set -o physical
hostname_completion_file HOSTFILE
noclobber set -o noclobber
no_exit_on_failed_exec shopt execfail
cdable_vars shopt cdable_vars
8. `ulimit' now sets both hard and soft limits and reports the soft limit
by default (when neither -H nor -S is specified). This is compatible
with versions of sh and ksh that implement `ulimit'. The bash-1.14
behavior of, for example,
ulimit -c 0
can be obtained with
ulimit -S -c 0
It may be useful to define an alias:
alias ulimit="ulimit -S"
8. The `ulimit' builtins now sets both hard and soft limits and reports the
soft limit by default (when neither -H nor -S is specified). This is
compatible with versions of sh and ksh that implement `ulimit'.