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Add dash test file
This commit is contained in:
Mohamed Abdelnour
23
tests/syntax-tests/source/dash/LICENSE.md
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23
tests/syntax-tests/source/dash/LICENSE.md
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The `shfm` file is a modified version of the file from https://github.com/dylanaraps/shfm, added under the following license:
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The MIT License (MIT)
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Copyright (c) 2020 Dylan Araps
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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425
tests/syntax-tests/source/dash/shfm
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425
tests/syntax-tests/source/dash/shfm
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#!/usr/bin/env dash
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esc() {
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case $1 in
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# vt100 (IL is vt102) (DECTCEM is vt520)
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CUD) printf '%s[%sB' "$esc_c" "$2" ;; # cursor down
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CUP) printf '%s[%s;%sH' "$esc_c" "$2" "$3" ;; # cursor home
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CUU) printf '%s[%sA' "$esc_c" "$2" ;; # cursor up
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DECAWM) printf '%s[?7%s' "$esc_c" "$2" ;; # line wrap
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DECRC) printf '%s8' "$esc_c" ;; # cursor restore
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DECSC) printf '%s7' "$esc_c" ;; # cursor save
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DECSTBM) printf '%s[%s;%sr' "$esc_c" "$2" "$3" ;; # scroll region
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DECTCEM) printf '%s[?25%s' "$esc_c" "$2" ;; # cursor visible
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ED[0-2]) printf '%s[%sJ' "$esc_c" "${1#ED}" ;; # clear screen
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EL[0-2]) printf '%s[%sK' "$esc_c" "${1#EL}" ;; # clear line
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IL) printf '%s[%sL' "$esc_c" "$2" ;; # insert line
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SGR) printf '%s[%s;%sm' "$esc_c" "$2" "$3" ;; # colors
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# xterm (since 1988, supported widely)
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screen_alt) printf '%s[?1049%s' "$esc_c" "$2" ;; # alternate buffer
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esac
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}
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term_setup() {
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stty=$(stty -g)
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stty -icanon -echo
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esc screen_alt h
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esc DECAWM l
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esc DECTCEM l
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esc ED2
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esc DECSTBM 1 "$((LINES - 2))"
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}
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term_reset() {
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esc DECAWM h >&2
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esc DECTCEM h >&2
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esc ED2 >&2
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esc DECSTBM >&2
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esc screen_alt l >&2
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stty "$stty"
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# needed for cd-on-exit
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printf '%s\n' "$PWD" >&1
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}
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term_resize() {
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# false-positive, behavior intentional, globbing is disabled.
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# shellcheck disable=2046
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{
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set -f
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set +f -- $(stty size)
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}
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LINES=$1 COLUMNS=$2
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# space for status_line
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bottom=$((LINES - 2))
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}
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term_scroll_down() {
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case $((y - $#)) in
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[0-9]*) return
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esac
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y=$((y + 1))
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y2=$((y2 + 1 < bottom ? y2 + 1 : bottom))
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line_print "$((y - 1))" "$@"
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printf '\n'
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line_print "$y" "$@"
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status_line "$#"
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}
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term_scroll_up() {
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case $y in
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-*|0|1) return
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esac
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y=$((y - 1))
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line_print "$((y + 1))" "$@"
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case $y2 in
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1) esc IL ;;
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*) esc CUU; y2=$((y2 > 1 ? y2 - 1 : 1))
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esac
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line_print "$y" "$@"
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status_line "$#"
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}
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cmd_run() {
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stty "$stty"
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esc DECTCEM h
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esc DECSTBM
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esc ED2
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"$@" ||:
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esc DECSTBM 1 "$((LINES - 2))"
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esc DECTCEM l
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stty -icanon -echo
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hist=2
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}
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file_escape() {
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tmp=$1 safe=
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# loop over string char by char
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while c=${tmp%"${tmp#?}"}; do
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case $c in
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'') return ;;
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[[:cntrl:]]) safe=$safe\? ;;
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*) safe=$safe$c ;;
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esac
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tmp=${tmp#?}
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done
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}
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hist_search() {
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hist=0 j=1
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for file do
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case ${PWD%%/}/$file in
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"$old_pwd") y=$j y2=$((j > bottom ? mid : j)) cur=$file
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esac
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j=$((j + 1))
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done
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}
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list_print() {
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esc ED2
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esc CUP
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i=1
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end=$((bottom + 1))
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mid=$((bottom / 4 < 5 ? 1 : bottom / 4))
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case $# in
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1) [ -e "$1" ] || set -- empty
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esac
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case $hist in
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2) # redraw after cmd run
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shift "$((y > y2 ? y - y2 : 0))"
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;;
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1) # redraw after go-to-parent
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hist_search "$@"
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shift "$((y >= bottom ? y - mid : 0))"
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;;
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*) # everything else
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shift "$((y >= bottom ? y - bottom : 0))"
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;;
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esac
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for file do
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case $i in
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"$y2") esc SGR 0 7
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esac
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case $((i - end)) in
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-*)
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line_format "$file"
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esc CUD
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;;
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esac
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i=$((i + 1))
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done
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esc CUP "$((y > y2 ? y2 : y))"
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}
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redraw() {
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list_print "$@"
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status_line "$#"
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}
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status_line() {
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esc DECSC
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esc CUP "$LINES"
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case $USER in
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root) esc SGR 31 7 ;;
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*) esc SGR 34 7 ;;
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esac
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printf '%*s\r%s ' "$COLUMNS" "" "($y/$1)"
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case $ltype in
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'') printf %s "$PWD" ;;
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*) printf %s "$ltype"
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esac
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esc SGR 0 0
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esc DECRC
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}
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prompt() {
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esc DECSC
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esc CUP "$LINES"
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printf %s "$1"
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esc DECTCEM h
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esc EL0
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case $2 in
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r)
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stty icanon echo
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read -r ans ||:
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stty -icanon -echo
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;;
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esac
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esc DECRC
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esc DECTCEM l
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status_line "($y/$#) $PWD"
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}
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line_print() {
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offset=$1
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case $offset in
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"$y") esc SGR 0 7
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esac
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shift "$offset"
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case $offset in
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"$y") cur=$1
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esac
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line_format "$1"
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}
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line_format() {
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file_escape "$1"
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[ -d "$1" ] && esc SGR 1 31
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printf %s "$safe"
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[ -d "$1" ] && printf /
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esc SGR 0 0
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esc EL0
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printf '\r'
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}
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main() {
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set -e
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case $1 in
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-h|--help)
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printf 'shfm -[hv] <starting dir>\n'
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exit 0
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;;
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-v|--version)
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printf 'shfm 0.4.2\n'
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exit 0
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;;
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*)
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cd -- "${1:-"$PWD"}"
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;;
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esac
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esc_c=$(printf '\033')
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bs_char=$(printf '\177')
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set -- *
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cur=$1
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term_resize
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term_setup
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trap 'term_reset' EXIT INT
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trap 'term_resize; term_setup; y=1 y2=1; redraw "$@"' WINCH
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y=1 y2=1
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redraw "$@"
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while key=$(dd ibs=1 count=1 2>/dev/null); do
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case $key${esc:=0} in
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k?|A2)
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term_scroll_up "$@"
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;;
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j?|B2)
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term_scroll_down "$@"
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;;
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l?|C2|"$esc") # ARROW RIGHT
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if [ -d "$cur" ] && cd -- "$cur" >/dev/null 2>&1; then
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set -- *
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y=1 y2=1 cur=$1 ltype=
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redraw "$@"
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elif [ -e "$cur" ]; then
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cmd_run "${SHFM_OPENER:="${EDITOR:=vi}"}" "$cur"
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redraw "$@"
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fi
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;;
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h?|D2|"$bs_char"?) # ARROW LEFT
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old_pwd=$PWD
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case $ltype in
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'') cd .. || continue ;;
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*) ltype= ;;
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esac
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set -- *
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y=1 y2=1 cur=$1 hist=1
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redraw "$@"
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;;
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g?)
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case $y in
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1) continue
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esac
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y=1 y2=1 cur=$1
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redraw "$@"
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;;
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G?)
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y=$#
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y2=$(($# < bottom ? $# : bottom))
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redraw "$@"
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;;
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.?)
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case ${hidden:=1} in
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1) hidden=0; set -- .* ;;
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0) hidden=1; set -- *
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esac
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y=1 y2=1 cur=$1
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redraw "$@"
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;;
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:?)
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prompt "cd: " r
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# false positive, behavior intentional
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# shellcheck disable=2088
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case $ans in
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'~') ans=$HOME ;;
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'~/'*) ans=$HOME/${ans#"~/"}
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esac
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cd -- "${ans:="$0"}" >/dev/null 2>&1|| continue
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set -- *
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y=1 y2=1 cur=$1
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redraw "$@"
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;;
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/?)
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prompt / r
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# word splitting and globbing intentional
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# shellcheck disable=2086
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set -- $ans*
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case $1$# in
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"$ans*1") set -- 'no results'
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esac
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y=1 y2=1 cur=$1 ltype="search $PWD/$ans*"
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redraw "$@"
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status_line "$#"
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;;
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-?)
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cd -- "$OLDPWD" >/dev/null 2>&1|| continue
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set -- *
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y=1 y2=1 cur=$1
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redraw "$@"
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;;
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\~?)
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cd || continue
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set -- *
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y=1 y2=1 cur=$1
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redraw "$@"
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;;
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\!?)
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export SHFM_LEVEL
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SHFM_LEVEL=$((SHFM_LEVEL + 1))
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cmd_run "${SHELL:=/bin/sh}"
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redraw "$@"
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;;
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\??)
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set -- 'j - down' \
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'k - up' \
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'l - open file or directory' \
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'h - go up level' \
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'g - go to top' \
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'G - go to bottom' \
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'q - quit' \
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': - cd to <input>' \
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'/ - search current directory <input>*' \
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'- - go to last directory' \
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'~ - go home' \
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'! - spawn shell' \
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'. - toggle hidden files' \
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'? - show keybinds'
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y=1 y2=1 cur=$1 ltype=keybinds
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redraw "$@"
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status_line "$#"
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;;
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q?) exit 0 ;;
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# handle keys which emit escape sequences
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"$esc_c"*) esc=1 ;;
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'[1') esc=2 ;;
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*) esc=0 ;;
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esac
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done
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}
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main "$@" >/dev/tty
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