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fish-config/functions/__substitute_typo.fish
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rootiest 1341e2559e docs(functions): standardize all function doc blocks to UNIX man-page style
Replace all ad-hoc inline comments between license headers and function
declarations with consistent SYNOPSIS / DESCRIPTION / ARGUMENTS / RETURNS /
EXAMPLE blocks across all 99 project-owned functions/ files. No executable
logic, variable names, or exit codes were modified.

Completes Task #6 from AGENTS.md (Retroactive Function Documentation
Standardization).
2026-06-05 20:18:49 -04:00

37 lines
1.2 KiB
Fish

# Copyright (C) 2026 Rootiest
# SPDX-License-Identifier: AGPL-3.0-or-later
# SYNOPSIS
# __substitute_typo
#
# DESCRIPTION
# Reads the commandline buffer and applies ^old^new substitution against
# the most recent history entry, replacing the buffer with the expanded
# result. If the buffer does not match the ^old^new pattern, inserts a
# literal caret character instead. Intended to be bound to ^ in
# key_bindings.fish.
#
# EXAMPLE
# bind ^ __substitute_typo
function __substitute_typo
set -l cursor_pos (commandline -C)
set -l cmd (commandline)
# Check if the current line matches the ^old^new pattern
if string match -qr '\^([^^]+)\^([^^]*)' -- "$cmd"
set -l last_cmd $history[1]
set -l captured (string match -r '\^([^^]+)\^([^^]*)' -- "$cmd")
set -l old $captured[2]
set -l new $captured[3]
if test -n "$old"
set -l expanded (string replace -a -- "$old" "$new" "$last_cmd")
commandline -r "$expanded"
# No need to move cursor, it's a whole new line
end
else
# If it's just a normal caret (not part of a pattern), just insert it
commandline -i '^'
end
end