Diff for "BashFAQ/061"

Differences between revisions 1 and 15 (spanning 14 versions)

Is there a list of which features were added to specific releases (versions) of Bash?

Here are some links to official Bash documentation:

NEWS: a file tersely listing the notable changes between the current and previous versions
CHANGES: a "complete" bash change history (back to 2.0 only)
COMPAT: compatibility issues between bash3 and previous versions

A more extensive, partial list than the one below can be found at http://wiki.bash-hackers.org/scripting/bashchanges

Here's a partial list of the changes, in a more compact format:

Feature	Added in version
\uXXXX and \UXXXXXXXX	4.2-alpha
declare -g	4.2-alpha
test -v	4.2-alpha
printf %(fmt)T	4.2-alpha
array[-idx] and ${var:start:-len}	4.2-alpha
lastpipe (shopt)	4.2-alpha
read -N	4.1-alpha
syslog history (compile option)	4.1-alpha
associative arrays	4.0-alpha
&>> and \|&	4.0-alpha
command_not_found_handle	4.0-alpha
coproc	4.0-alpha
globstar	4.0-alpha
mapfile/readarray	4.0-alpha
${var,[,]} and ${var^[^]}	4.0-alpha
{009..012} (leading zeros in brace expansions)	4.0-alpha
{x..y..incr}	4.0-alpha
read -t 0	4.0-alpha
x+=string array+=(string)	3.1-alpha1
printf -v var	3.1-alpha1
{x..y}	3.0-alpha
${!array[@]}	3.0-alpha
[[ =~	3.0-alpha
<<<	2.05b-alpha1
i++	2.04-devel
for ((;;))	2.04-devel
/dev/fd/N, /dev/tcp/host/port, etc.	2.04-devel
a=(*.txt) file expansion	2.03-alpha
extglob	2.02-alpha1
[[	2.02-alpha1
builtin printf	2.02-alpha1
$(< filename)	2.02-alpha1
** (exponentiation)	2.02-alpha1
\xNNN	2.02-alpha1
(( ))	2.0-beta2

-  ⇤ ← Revision 1 as of 2007-05-02 23:54:57 → 
  Size: 1045
  Editor: redondos
  Comment:
+   ← Revision 15 as of 2011-06-28 11:39:29 → ⇥
  Size: 1920
  Editor: geirha
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 1:
-[[Anchor(faq61)]]
+<<Anchor(faq61)>>
 Line 3:
+Here are some links to official Bash documentation:
-Line 4:
+Line 5:
-  * [http://cnswww.cns.cwru.edu/~chet/bash/NEWS NEWS]: a file tersely listing the notable changes between the current and previous versions
  * [http://cnswww.cns.cwru.edu/~chet/bash/CHANGES CHANGES]: a complete bash change history
  * [http://cnswww.cns.cwru.edu/~chet/bash/COMPAT COMPAT]: compatibility issues between bash3 and previous versions
+  * [[http://cnswww.cns.cwru.edu/~chet/bash/NEWS|NEWS]]: a file tersely listing the notable changes between the current and previous versions
  * [[http://cnswww.cns.cwru.edu/~chet/bash/CHANGES|CHANGES]]: a "complete" bash change history (back to 2.0 only)
  * [[http://cnswww.cns.cwru.edu/~chet/bash/COMPAT|COMPAT]]: compatibility issues between bash3 and previous versions

A more extensive, partial list than the one below can be found at http://wiki.bash-hackers.org/scripting/bashchanges
-Line 11:
+Line 14:
-||x+=string||3.1-alpha1||
+||\uXXXX and \UXXXXXXXX||4.2-alpha||
||declare -g||4.2-alpha||
||test -v||4.2-alpha||
||printf %(fmt)T||4.2-alpha||
||array[-idx] and ${var:start:-len}||4.2-alpha||
||lastpipe (shopt)||4.2-alpha||
||read -N||4.1-alpha||
||syslog history (compile option)||4.1-alpha||
||associative arrays||4.0-alpha||
||&>> and |&||4.0-alpha||
||command_not_found_handle||4.0-alpha||
||coproc||4.0-alpha||
||globstar||4.0-alpha||
||mapfile/readarray||4.0-alpha||
||${var,[,]} and ${var&#94;[&#94;]}||4.0-alpha||
||{009..012} (leading zeros in brace expansions)||4.0-alpha||
||{x..y..incr}||4.0-alpha||
||read -t 0||4.0-alpha||
||x+=string array+=(string)||3.1-alpha1||
||printf -v var||3.1-alpha1||