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Re: [Help-bash] Expand a prompt string to calculate its length?
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From: |
Greg Wooledge |
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Subject: |
Re: [Help-bash] Expand a prompt string to calculate its length? |
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Date: |
Wed, 19 Jun 2019 14:13:58 -0400 |
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User-agent: |
Mutt/1.10.1 (2018-07-13) |
On Wed, Jun 19, 2019 at 01:09:33PM -0500, Jesse Hathaway wrote:
> Is there anyway to expand a partial prompt string to calculate its length?
In bash 4.4 and above, yes.
wooledg:~$ tmp=${PS1@P}; echo "<$PS1> <${#PS1}> <$tmp> <${#tmp}>"
<\h:\w\$ > <8> <wooledg:~$ > <11>
The @P parameter expansion is one of the new "Parameter transformation"
options.
- [Help-bash] Expand a prompt string to calculate its length?, Jesse Hathaway, 2019/06/19
- Re: [Help-bash] Expand a prompt string to calculate its length?,
Greg Wooledge <=
- Re: [Help-bash] Expand a prompt string to calculate its length?, Andy Chu, 2019/06/19
- Re: [Help-bash] Expand a prompt string to calculate its length?, Greg Wooledge, 2019/06/19
- Re: [Help-bash] Expand a prompt string to calculate its length?, Jesse Hathaway, 2019/06/19
- Re: [Help-bash] Expand a prompt string to calculate its length?, Greg Wooledge, 2019/06/19
- Re: [Help-bash] Expand a prompt string to calculate its length?, Andy Chu, 2019/06/19
- Re: [Help-bash] Expand a prompt string to calculate its length?, Greg Wooledge, 2019/06/19
- Re: [Help-bash] Expand a prompt string to calculate its length?, Andy Chu, 2019/06/19
- Re: [Help-bash] Expand a prompt string to calculate its length?, Jesse Hathaway, 2019/06/21