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shrink-path: added glob and quote options (#7694) 

* Added -g option to shrink-path plugin.

The new optins adds an asterix to the uniquely shortened name, such
that, if copy'n'pasted, zsh globbing will expand to the full path name
of the shortened path:

shrink-path -g:
"/net/software/modules/modulefiles" -> "/n*/s*/modules/m*"

shrink-path -l -g:
"/net/software/modules/modulefiles" -> "/n*/s*/modules/modulefiles"

* Updated also the README file with the new -g option.

* shrink-path: improved handling of special cases

This commits improves the handling of special cases in path strings:

- handling of white space in path names
- handling of single-letter path names

* Update plugins/shrink-path/README.md

Co-Authored-By: Jacob Tomaw <jacob.tomaw@gmail.com>

* Fix typo "Asterix" and replace with "asterisk"

* Add optional quoting support to shrink_path

Co-authored-by: Jacob Tomaw <jacob.tomaw@gmail.com>
This commit is contained in:
Marc Cornellà 2020-03-05 13:08:05 +01:00 committed by GitHub
parent ecf2240b06
commit 2f345a3d0c
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2 changed files with 28 additions and 6 deletions
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19
plugins/shrink-path/README.md
View File

@ -7,21 +7,26 @@ For this directory tree:
```
/home/
me/
foo/
f o o/ # The prefix f is ambiguous between "f o o" and "f i g".
bar/
quux/
biz/ # The prefix b is ambiguous between bar and biz.
f i g/
baz/
```
here are the results of calling `shrink_path <option> /home/me/foo/bar/quux`:
```
Option Result
<none> /h/m/f/ba/q
-l|--last /h/m/f/ba/quux
<none> /h/m/f o/ba/q
-l|--last /h/m/f o/ba/q
-s|--short /h/m/f/b/q
-t|--tilde ~/f/ba/q
-t|--tilde ~/f o/ba/q
-f|--fish ~/f/b/quux
-3 /hom/me/foo/bar/quu
-e '$' -3 /ho$/me/foo/bar/qu$
-g|--glob /h*/m*/f o*/ba*/q*
-3 /hom/me/f o/bar/quu
-e '$' -3 /hom$/me/f o$/bar/quu$
-q /h/m/f\ o/ba/q
-g -q /h*/m*/f\ o*/ba*/q*
```
@ -39,6 +44,7 @@ The following options are available:
```
-f, --fish fish simulation, equivalent to -l -s -t.
-g, --glob Add asterisk to allow globbing of shrunk path (equivalent to -e "*")
-l, --last Print the last directory's full name.
-s, --short Truncate directory names to the number of characters given by -. Without
-s, names are truncated without making them ambiguous.
@ -47,6 +53,7 @@ The following options are available:
-# Truncate each directly to at least this many characters inclusive of the
ellipsis character(s) (defaulting to 1).
-e SYMBOL Postfix symbol(s) to indicate that a directory name had been truncated.
-q, --quote Quote special characters in the shrunk path
```
The long options can also be set via zstyle, like

15
plugins/shrink-path/shrink-path.plugin.zsh
View File

@ -9,6 +9,7 @@
# The following options are available:
#
# -f, --fish fish simulation, equivalent to -l -s -t.
# -g, --glob Add asterisk to allow globbing of shrunk path (equivalent to -e "*")
# -l, --last Print the last directory's full name.
# -s, --short Truncate directory names to the number of characters given by -#. Without
# -s, names are truncated without making them ambiguous.
@ -17,6 +18,7 @@
# -# Truncate each directly to at least this many characters inclusive of the
# ellipsis character(s) (defaulting to 1).
# -e SYMBOL Postfix symbol(s) to indicate that a directory name had been truncated.
# -q, --quote Quote special characters in the shrunk path
#
# The long options can also be set via zstyle, like
# zstyle :prompt:shrink_path fish yes
@ -42,6 +44,7 @@ shrink_path () {
typeset -i named=0
typeset -i length=1
typeset ellipsis=""
typeset -i quote=0
if zstyle -t ':prompt:shrink_path' fish; then
lastfull=1
@ -55,6 +58,8 @@ shrink_path () {
zstyle -t ':prompt:shrink_path' last && lastfull=1
zstyle -t ':prompt:shrink_path' short && short=1
zstyle -t ':prompt:shrink_path' tilde && tilde=1
zstyle -t ':prompt:shrink_path' glob && ellipsis='*'
zstyle -t ':prompt:shrink_path' quote && quote=1
while [[ $1 == -* ]]; do
case $1 in
@ -70,6 +75,7 @@ shrink_path () {
-h|--help)
print 'Usage: shrink_path [-f -l -s -t] [directory]'
print ' -f, --fish fish-simulation, like -l -s -t'
print ' -g, --glob Add asterisk to allow globbing of shrunk path (equivalent to -e "*")'
print ' -l, --last Print the last directory''s full name'
print ' -s, --short Truncate directory names to the number of characters given by -#. Without'
print ' -s, names are truncated without making them ambiguous.'
@ -78,6 +84,7 @@ shrink_path () {
print ' -# Truncate each directly to at least this many characters inclusive of the'
print ' ellipsis character(s) (defaulting to 1).'
print ' -e SYMBOL Postfix symbol(s) to indicate that a directory name had been truncated.'
print ' -q, --quote Quote special characters in the shrunk path'
print 'The long options can also be set via zstyle, like'
print ' zstyle :prompt:shrink_path fish yes'
return 0
@ -96,6 +103,12 @@ shrink_path () {
shift
ellipsis="$1"
;;
-g|--glob)
ellipsis='*'
;;
-q|--quote)
quote=1
;;
esac
shift
done
@ -140,9 +153,11 @@ shrink_path () {
typeset -i dif=$(( ${#dir} - ${#part} - ellen ))
if [[ $dif -gt 0 ]]
then
(( quote )) && part=${(q)part}
part+="$ellipsis"
else
part="$dir"
(( quote )) && part=${(q)part}
fi
result+="/$part"
cd -q $dir