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Plugin for fish-like substring history scrubbing.
Usage: enter a search string and arrow up/down. You'll be whisked through your history commands matching that search. With no search string it pages history normally. Thanks to fishz. [http://sourceforge.net/projects/fizsh/] via http://snk.tuxfamily.org/log/switching-from-fish-to-zsh.html
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Kjell Olsen
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2 changed files with 410 additions and 0 deletions
205
plugins/zsh-history-substring-search/zsh-history-substring-search.zsh
Executable file
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plugins/zsh-history-substring-search/zsh-history-substring-search.zsh
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#!/usr/bin/env zsh
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# -------------------------------------------------------------------------------------------------
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# Copyright (c) 2011 Guido van Steen
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification, are permitted
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# provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice, this list of conditions
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# and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice, this list of
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# conditions and the following disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of the FIZSH nor the names of its contributors may be used to endorse or
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# promote products derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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# FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# -------------------------------------------------------------------------------------------------
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# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
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# vim: ft=zsh sw=2 ts=2 et
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#
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# This script can also be used as the widget zsh-history-substring-search-forward
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#
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# original version by Peter Stephenson (2009)
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# He called his version "history-substring-search-backward"
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# http://www.zsh.org/mla/users/2009/msg00818.html
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#
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# modifications by Guido van Steen (2009-2011)
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# written as a part of the Friendly Interactive ZSHell (fizsh)
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# http://sourceforge.net/projects/fizsh/
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#
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# /etc/fizsh/zsh-history-substring-search-backward
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#
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F_ordinary_highlight="bg=magenta,fg=white,bold"
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F_out_of_matches_highlight="bg=red,fg=white,bold"
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F_max_buffer_size=250000
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zsh-history-substring-search-backward() {
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emulate -L zsh
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setopt extendedglob
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zmodload -i zsh/parameter
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F_zsh_highlighting_available=0
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(( $+functions[_zsh_highlight-zle-buffer] )) && F_zsh_highlighting_available=1
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# check if _zsh_highlight-zle-buffer is available
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# so that calls to this function will not fail.
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if [[ ! ( ( ${WIDGET/backward/forward} = ${LASTWIDGET/backward/forward}) ||
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( ${WIDGET/forward/backward} = ${LASTWIDGET/forward/backward}) ) ]]; then
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# set the type of highlighting
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F_search=${BUFFER//(#m)[\][()\\*?#<>~^]/\\$MATCH}
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echo $WIDGET >> /tmp/ok2
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# $BUFFER contains the text that is in the command-line currently.
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# we put an extra "\\" before meta characters such as "\(" and "\)",
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# so that they become "\\\|" and "\\\("
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F_search4later=${BUFFER}
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# for the purpose of highlighting we will also keep a version without
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# doubly-escaped meta characters
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F_matches=(${(kon)history[(R)*${F_search}*]})
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# find all occurrences of the pattern *${seach}* within the history file
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# (k) turns it an array of line numbers. (on) seems to remove duplicates.
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# (on) are default options. they can be turned off by (ON).
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F_number_of_matches=${#F_matches}
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let "F_number_of_matches_plus_one = $F_number_of_matches + 1"
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# define the range of value that $F_match_number can take:
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# [0, $F_number_of_matches_plus_one]
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let "F_number_of_matches_minus_one = $F_number_of_matches - 1"
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# handy for later
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let "F_match_number = $F_number_of_matches_plus_one"
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# initial value of $F_match_number, which can initially only be decreased by
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# ${WIDGET/forward/backward}
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fi
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if [[ $WIDGET = *backward* ]]; then # we have pressed arrow-up
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if [[ ($F_match_number -ge 2 && $F_match_number -le $F_number_of_matches_plus_one) ]]; then
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let "F_match_number = $F_match_number - 1"
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F_command_to_be_retrieved=$(fc -ln $F_matches[$F_match_number] $F_matches[$F_match_number])
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F_command_to_be_retrieved=${F_command_to_be_retrieved//\\"n"/$'\n'}
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F_command_to_be_retrieved=${F_command_to_be_retrieved//\\"t"/$'\t'}
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# expand newlines and tabs in multi-line commands
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BUFFER=$F_command_to_be_retrieved
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if [[ ((( $F_zsh_highlighting_available == 1 ) && ( $+BUFFER < $F_max_buffer_size) )) ]]; then
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_zsh_highlight-zle-buffer
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fi
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if [[ $F_search4later != "" ]]; then # F_search string was not empty: highlight it
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: ${(S)BUFFER##(#m)($F_search4later##)}
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# among other things the following expression yields a variable $MEND,
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# which indicates the end position of the first occurrence of $F_search in
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# $BUFFER
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let "F_my_mbegin = $MEND - $#F_search4later"
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region_highlight=("$F_my_mbegin $MEND $F_ordinary_highlight")
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fi
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else
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if [[ ($F_match_number -eq 1) ]]; then
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# we will move out of the F_matches
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let "F_match_number = $F_match_number - 1"
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F_old_buffer_backward=$BUFFER
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BUFFER=$F_search4later
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if [[ ((( $F_zsh_highlighting_available == 1 ) && ( $+BUFFER < $F_max_buffer_size) )) ]]; then
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_zsh_highlight-zle-buffer
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fi
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if [[ $F_search4later != "" ]]; then
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: ${(S)BUFFER##(#m)($F_search4later##)}
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let "F_my_mbegin = $MEND - $#F_search4later"
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region_highlight=("$F_my_mbegin $MEND $F_out_of_matches_highlight")
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# this is slightly more informative than highlighting
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# that fish performs
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fi
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else
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if [[ ($F_match_number -eq $F_number_of_matches_plus_one ) ]]; then
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# we will move back to the F_matches
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let "F_match_number = $F_match_number - 1"
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BUFFER=$F_old_buffer_forward
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if [[ ((( $F_zsh_highlighting_available == 1 ) && ( $+BUFFER < $F_max_buffer_size) )) ]]; then
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_zsh_highlight-zle-buffer
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fi
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if [[ $F_search4later != "" ]]; then
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: ${(S)BUFFER##(#m)($F_search4later##)}
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let "F_my_mbegin = $MEND - $#F_search4later"
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region_highlight=("$F_my_mbegin $MEND $F_ordinary_highlight")
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fi
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fi
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fi
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fi
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else # arrow-down
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if [[ ($F_match_number -eq $F_number_of_matches_plus_one ) ]]; then
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let "F_match_number = $F_match_number"
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F_old_buffer_forward=$BUFFER
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BUFFER=$F_search4later
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if [[ ((( $F_zsh_highlighting_available == 1 ) && ( $+BUFFER < $F_max_buffer_size) )) ]]; then
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_zsh_highlight-zle-buffer
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fi
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if [[ $F_search4later != "" ]]; then
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: ${(S)BUFFER##(#m)($F_search4later##)}
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let "F_my_mbegin = $MEND - $#F_search4later"
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region_highlight=("$F_my_mbegin $MEND $F_out_of_matches_highlight")
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fi
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elif [[ ($F_match_number -ge 0 && $F_match_number -le $F_number_of_matches_minus_one) ]]; then
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let "F_match_number = $F_match_number + 1"
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F_command_to_be_retrieved=$(fc -ln $F_matches[$F_match_number] $F_matches[$F_match_number])
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F_command_to_be_retrieved=${F_command_to_be_retrieved//\\"n"/$'\n'}
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F_command_to_be_retrieved=${F_command_to_be_retrieved//\\"t"/$'\t'}
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BUFFER=$F_command_to_be_retrieved
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if [[ ((( $F_zsh_highlighting_available == 1 ) && ( $+BUFFER < $F_max_buffer_size) )) ]]; then
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_zsh_highlight-zle-buffer
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fi
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if [[ $F_search4later != "" ]]; then
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: ${(S)BUFFER##(#m)($F_search4later##)}
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let "F_my_mbegin = $MEND - $#F_search4later"
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region_highlight=("$F_my_mbegin $MEND $F_ordinary_highlight")
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fi
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else
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if [[ ($F_match_number -eq $F_number_of_matches ) ]]; then
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let "F_match_number = $F_match_number + 1"
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F_old_buffer_forward=$BUFFER
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BUFFER=$F_search4later
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if [[ ((( $F_zsh_highlighting_available == 1 ) && ( $+BUFFER < $F_max_buffer_size) )) ]]; then
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_zsh_highlight-zle-buffer
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fi
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if [[ $F_search4later != "" ]]; then
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: ${(S)BUFFER##(#m)($F_search4later##)}
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let "F_my_mbegin = $MEND - $#F_search4later"
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region_highlight=("$F_my_mbegin $MEND $F_out_of_matches_highlight")
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fi
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else
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if [[ ($F_match_number -eq 0 ) ]]; then
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let "F_match_number = $F_match_number + 1"
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BUFFER=$F_old_buffer_backward
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if [[ ((( $F_zsh_highlighting_available == 1 ) && ( $+BUFFER < $F_max_buffer_size) )) ]]; then
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_zsh_highlight-zle-buffer
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fi
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if [[ $F_search4later != "" ]]; then
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: ${(S)BUFFER##(#m)($F_search4later##)}
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let "F_my_mbegin = $MEND - $#F_search4later"
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region_highlight=("$F_my_mbegin $MEND $F_ordinary_highlight")
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fi
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fi
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fi
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fi
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fi
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CURSOR=${#BUFFER}
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#"zle .end-of-line" does not move CURSOR to the final end of line in multi-line buffers.
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# for debugging purposes:
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# zle -R "mn: "$F_match_number" m#: "${#F_matches}
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# read -k -t 200 && zle -U $REPLY
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}
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zle -N zsh-history-substring-search-forward zsh-history-substring-search-backward
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zle -N zsh-history-substring-search-backward
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bindkey '\e[A' zsh-history-substring-search-backward
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bindkey '\e[B' zsh-history-substring-search-forward
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