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Add 'transform' action to conditionally perform a series of actions

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'transform' action runs an external command that prints a series of
actions to perform.

  # Disallow selecting an empty line
  echo -e "1. Hello\n2. Goodbye\n\n3. Exit" |
    fzf --reverse --header 'Select one' \
        --bind 'enter:transform:[[ -n {} ]] && echo accept || echo "change-header:Invalid selection"'

  # Move cursor past the empty line
  echo -e "1. Hello\n2. Goodbye\n\n3. Exit" |
    fzf --reverse --header 'Select one' \
        --bind 'enter:transform:[[ -n {} ]] && echo accept || echo "change-header:Invalid selection"' \
        --bind 'focus:transform:[[ -n {} ]] && exit; [[ {fzf:action} =~ up$ ]] && echo up || echo down'

Close #3368
Close #2980
This commit is contained in:
Junegunn Choi
2023-12-25 23:43:46 +09:00
parent 41d4d70b98
commit 1707b8cdba
10 changed files with 255 additions and 52 deletions
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4
go.mod
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@@ -14,8 +14,10 @@ require (
require (
github.com/gdamore/encoding v1.0.0 // indirect
github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4 // indirect
golang.org/x/mod v0.14.0 // indirect
golang.org/x/sync v0.5.0 // indirect
golang.org/x/text v0.5.0 // indirect
golang.org/x/tools v0.16.1 // indirect
)
go 1.17