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make usage(--help) neater. #2796

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make usage(--help) neater. #2796

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b93c313
make usage(--help) neater.
Pandademic Apr 18, 2022
e1ebd4b
Update to work with @Jiehong's review
Pandademic Jun 5, 2022
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186 changes: 93 additions & 93 deletions src/options.go
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Original file line number Diff line number Diff line change
Expand Up @@ -16,97 +16,97 @@ import (
)

const usage = `usage: fzf [options]

Search
-x, --extended Extended-search mode
(enabled by default; +x or --no-extended to disable)
-e, --exact Enable Exact-match
--algo=TYPE Fuzzy matching algorithm: [v1|v2] (default: v2)
-i Case-insensitive match (default: smart-case match)
+i Case-sensitive match
--literal Do not normalize latin script letters before matching
-n, --nth=N[,..] Comma-separated list of field index expressions
for limiting search scope. Each can be a non-zero
integer or a range expression ([BEGIN]..[END]).
--with-nth=N[,..] Transform the presentation of each line using
field index expressions
-d, --delimiter=STR Field delimiter regex (default: AWK-style)
+s, --no-sort Do not sort the result
--tac Reverse the order of the input
--disabled Do not perform search
--tiebreak=CRI[,..] Comma-separated list of sort criteria to apply
when the scores are tied [length|begin|end|index]
(default: length)

Interface
-m, --multi[=MAX] Enable multi-select with tab/shift-tab
--no-mouse Disable mouse
--bind=KEYBINDS Custom key bindings. Refer to the man page.
--cycle Enable cyclic scroll
--keep-right Keep the right end of the line visible on overflow
--scroll-off=LINES Number of screen lines to keep above or below when
scrolling to the top or to the bottom (default: 0)
--no-hscroll Disable horizontal scroll
--hscroll-off=COLS Number of screen columns to keep to the right of the
highlighted substring (default: 10)
--filepath-word Make word-wise movements respect path separators
--jump-labels=CHARS Label characters for jump and jump-accept

Layout
--height=HEIGHT[%] Display fzf window below the cursor with the given
height instead of using fullscreen
--min-height=HEIGHT Minimum height when --height is given in percent
(default: 10)
--layout=LAYOUT Choose layout: [default|reverse|reverse-list]
--border[=STYLE] Draw border around the finder
[rounded|sharp|horizontal|vertical|
top|bottom|left|right|none] (default: rounded)
--margin=MARGIN Screen margin (TRBL | TB,RL | T,RL,B | T,R,B,L)
--padding=PADDING Padding inside border (TRBL | TB,RL | T,RL,B | T,R,B,L)
--info=STYLE Finder info style [default|inline|hidden]
--prompt=STR Input prompt (default: '> ')
--pointer=STR Pointer to the current line (default: '>')
--marker=STR Multi-select marker (default: '>')
--header=STR String to print as header
--header-lines=N The first N lines of the input are treated as header
--header-first Print header before the prompt line
--ellipsis=STR Ellipsis to show when line is truncated (default: '..')

Display
--ansi Enable processing of ANSI color codes
--tabstop=SPACES Number of spaces for a tab character (default: 8)
--color=COLSPEC Base scheme (dark|light|16|bw) and/or custom colors
--no-bold Do not use bold text

History
--history=FILE History file
--history-size=N Maximum number of history entries (default: 1000)

Preview
--preview=COMMAND Command to preview highlighted line ({})
--preview-window=OPT Preview window layout (default: right:50%)
[up|down|left|right][,SIZE[%]]
[,[no]wrap][,[no]cycle][,[no]follow][,[no]hidden]
[,border-BORDER_OPT]
[,+SCROLL[OFFSETS][/DENOM]][,~HEADER_LINES]
[,default]

Scripting
-q, --query=STR Start the finder with the given query
-1, --select-1 Automatically select the only match
-0, --exit-0 Exit immediately when there's no match
-f, --filter=STR Filter mode. Do not start interactive finder.
--print-query Print query as the first line
--expect=KEYS Comma-separated list of keys to complete fzf
--read0 Read input delimited by ASCII NUL characters
--print0 Print output delimited by ASCII NUL characters
--sync Synchronous search for multi-staged filtering
--version Display version information and exit

Environment variables
FZF_DEFAULT_COMMAND Default command to use when input is tty
FZF_DEFAULT_OPTS Default options
(e.g. '--layout=reverse --inline-info')
OPTIONS:
Search:
-x, --extended Extended-search mode
(enabled by default; +x or --no-extended to disable)
-e, --exact Enable Exact-match
--algo=TYPE Fuzzy matching algorithm: [v1|v2] (default: v2)
-i Case-insensitive match (default: smart-case match)
+i Case-sensitive match
--literal Do NOT normalize latin script letters before matching
-n, --nth=N[,..] Comma-separated list of field index expressions
for limiting search scope. Each can be a non-zero
integer or a range expression ([BEGIN]..[END]).
--with-nth=N[,..] Transform the presentation of each line using
field index expressions
-d, --delimiter=STR Field delimiter regex (default: AWK-style)
+s, --no-sort Do NOT sort the result
--tac Reverse the order of the input
--disabled Do NOT* perform search
--tiebreak=CRI[,..] Comma-separated list of sort criteria to apply
when the scores are tied [length|begin|end|index]
(default: length)

Interface:
-m, --multi[=MAX] Enable multi-select with tab/shift-tab
--no-mouse Disable mouse
--bind=KEYBINDS Custom key bindings. Refer to the man page.
--cycle Enable cyclic scroll
--keep-right Keep the right end of the line visible on overflow
--scroll-off=LINES Number of screen lines to keep above or below when
scrolling to the top or to the bottom (default: 0)
--no-hscroll Disable horizontal scroll
--hscroll-off=COLS Number of screen columns to keep to the right of the
highlighted substring (default: 10)
--filepath-word Make word-wise movements respect path separators
--jump-labels=CHARS Label characters for jump and jump-accept

Layout:
--height=HEIGHT[%] Display fzf window below the cursor with the given
height instead of using fullscreen
--min-height=HEIGHT Minimum height when --height is given in percent
(default: 10)
--layout=LAYOUT Choose layout: [default|reverse|reverse-list]
--border[=STYLE] Draw border around the finder
[rounded|sharp|horizontal|vertical|
top|bottom|left|right|none] (default: rounded)
--margin=MARGIN Screen margin (TRBL | TB,RL | T,RL,B | T,R,B,L)
--padding=PADDING Padding inside border (TRBL | TB,RL | T,RL,B | T,R,B,L)
--info=STYLE Finder info style [default|inline|hidden]
--prompt=STR Input prompt (default: '> ')
--pointer=STR Pointer to the current line (default: '>')
--marker=STR Multi-select marker (default: '>')
--header=STR String to print as header
--header-lines=N The first N lines of the input are treated as header
--header-first Print header before the prompt line
--ellipsis=STR Ellipsis to show when line is truncated (default: '..')

Display:
--ansi Enable processing of ANSI color codes
--tabstop=SPACES Number of spaces for a tab character (default: 8)
--color=COLSPEC Base scheme (dark|light|16|bw) and/or custom colors
--no-bold Do NOT use bold text

History:
--history=FILE History file
--history-size=N Maximum number of history entries (default: 1000)

Preview:
--preview=COMMAND Command to preview highlighted line ({})
--preview-window=OPT Preview window layout (default: right:50%)
[up|down|left|right][,SIZE[%]]
[,[no]wrap][,[no]cycle][,[no]follow][,[no]hidden]
[,border-BORDER_OPT]
[,+SCROLL[OFFSETS][/DENOM]][,~HEADER_LINES]
[,default]

Scripting:
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-q, --query=STR Start the finder with the given query
-1, --select-1 Automatically select the only match
-0, --exit-0 Exit immediately when there's no match
-f, --filter=STR Filter mode. Do NOT start interactive finder.
--print-query Print query as the first line
--expect=KEYS Comma-separated list of keys to complete fzf
--read0 Read input delimited by ASCII NUL characters
--print0 Print output delimited by ASCII NUL characters
--sync Synchronous search for multi-staged filtering
--version Display version information and exit

Environment variables:
FZF_DEFAULT_COMMAND Default command to use when input is tty
FZF_DEFAULT_OPTS Default options
(e.g. '--layout=reverse --inline-info')

`

Expand Down Expand Up @@ -348,15 +348,15 @@ func optionalNextString(args []string, i *int) (bool, string) {
func atoi(str string) int {
num, err := strconv.Atoi(str)
if err != nil {
errorExit("not a valid integer: " + str)
errorExit("Not a valid integer: " + str)
}
return num
}

func atof(str string) float64 {
num, err := strconv.ParseFloat(str, 64)
if err != nil {
errorExit("not a valid number: " + str)
errorExit("Not a valid number: " + str)
}
return num
}
Expand Down