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authorTom Ryder <tom@sanctum.geek.nz>2018-11-30 13:21:50 +1300
committerTom Ryder <tom@sanctum.geek.nz>2018-11-30 13:21:50 +1300
commitda4e6a80a24bc1002e06b0b4a386254a5d5cb050 (patch)
tree279f27aae77dc7316cd6d1c85c1f7766f4bb9490 /README.md
parentMerge branch 'hotfix/v2.1.1' into develop (diff)
downloaddotfiles-da4e6a80a24bc1002e06b0b4a386254a5d5cb050.tar.gz
dotfiles-da4e6a80a24bc1002e06b0b4a386254a5d5cb050.zip
Drop support for Bash <= 3.0
This allows removing a fair bit of boilerplate checking for the availability of `-o bashdefault` for the `complete` builtin, and greatly simplifies the minimum version check.
Diffstat (limited to 'README.md')
-rw-r--r--README.md9
1 files changed, 4 insertions, 5 deletions
diff --git a/README.md b/README.md
index 8a2f412d..ae9b4319 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ Configuration is included for:
* Bourne-style POSIX shells, sharing a `.profile`, an `ENV` file, and some
helper functions:
- * [GNU Bash](https://www.gnu.org/software/bash/) (2.05a or higher)
+ * [GNU Bash](https://www.gnu.org/software/bash/) (3.0 or higher)
* [Korn shell](http://www.kornshell.com/) (`ksh93`, `pdksh`, `mksh`)
* [Z shell](https://www.zsh.org/)
* [Abook](http://abook.sourceforge.net/) -- curses address book program
@@ -137,8 +137,7 @@ and scripts where I can so that the same files can be loaded for all shells.
On GNU/Linux I use Bash, on BSD I use some variant of Korn Shell, preferably
`ksh93` if it's available.
-As I occasionally have work on very old internal systems, my Bash is written to
-work with [any version 2.05a or
+My Bash is written to work with [any version 3.0 or
newer](http://wiki.bash-hackers.org/scripting/bashchanges). This is why I use
older syntax for certain things such as appending items to arrays:
@@ -150,8 +149,8 @@ actually works for arrays with sparse indices, unlike the above syntax:
array+=("$item")
Where I do use features that are only available in versions of Bash newer than
-2.05a, such as newer `shopt` options or `PROMPT_DIRTRIM`, they are only run
-after testing `BASH_VERSINFO` appropriately.
+3.0, such as newer `shopt` options or `PROMPT_DIRTRIM`, they are only run after
+testing `BASH_VERSINFO` appropriately.
#### Prompt