374 lines
8.7 KiB
Plaintext
374 lines
8.7 KiB
Plaintext
# $Id$
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# $MirOS: src/bin/mksh/dot.mkshrc,v 1.73 2012/11/30 20:19:10 tg Exp $
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#-
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# Copyright (c) 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010,
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# 2011, 2012
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# Thorsten Glaser <tg@mirbsd.org>
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#
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# Provided that these terms and disclaimer and all copyright notices
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# are retained or reproduced in an accompanying document, permission
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# is granted to deal in this work without restriction, including un-
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# limited rights to use, publicly perform, distribute, sell, modify,
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# merge, give away, or sublicence.
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#
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# This work is provided "AS IS" and WITHOUT WARRANTY of any kind, to
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# the utmost extent permitted by applicable law, neither express nor
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# implied; without malicious intent or gross negligence. In no event
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# may a licensor, author or contributor be held liable for indirect,
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# direct, other damage, loss, or other issues arising in any way out
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# of dealing in the work, even if advised of the possibility of such
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# damage or existence of a defect, except proven that it results out
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# of said person's immediate fault when using the work as intended.
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#-
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# ${ENV:-~/.mkshrc}: mksh initialisation file for interactive shells
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: ${EDITOR:=/bin/ed} ${TERM:=vt100} ${HOSTNAME:=$(ulimit -c 0;hostname -s 2>&-)}
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[[ $HOSTNAME = @(localhost|*([ ])) ]] && HOSTNAME=$(ulimit -c 0;hostname 2>&-)
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: ${HOSTNAME:=nil}; if (( USER_ID )); then PS1='$'; else PS1='#'; fi
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function precmd {
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local e=$?
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(( e )) && print -n "$e|"
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}
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PS1=$'\001\r''${ precmd;}${USER:=$(ulimit -c 0; id -un 2>/dev/null || echo \?
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)}@${HOSTNAME%%.*}:$(local d=${PWD:-?} p=~; [[ $p = ?(*/) ]] || \
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d=${d/#$p/~}; local m=${%d} n p=...; (( m > 0 )) || m=${#d}
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(( m > (n = (COLUMNS/3 < 7 ? 7 : COLUMNS/3)) )) && d=${d:(-n)} || \
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p=; print -nr -- "$p$d") '"$PS1 "
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: ${MKSH:=$(whence -p mksh)}; export EDITOR HOSTNAME MKSH TERM USER
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alias ls=ls
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unalias ls
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alias l='ls -F'
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alias la='l -a'
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alias ll='l -l'
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alias lo='l -alo'
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whence -p rot13 >&- || alias rot13='tr \
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abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ \
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nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM'
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whence -p hd >&- || function hd {
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hexdump -e '"%08.8_ax " 8/1 "%02X " " - " 8/1 "%02X "' \
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-e '" |" "%_p"' -e '"|\n"' "$@"
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}
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# Berkeley C shell compatible dirs, popd, and pushd functions
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# Z shell compatible chpwd() hook, used to update DIRSTACK[0]
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DIRSTACKBASE=$(realpath ~/. 2>&- || print -nr -- "${HOME:-/}")
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set -A DIRSTACK
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function chpwd {
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DIRSTACK[0]=$(realpath . 2>&- || print -r -- "$PWD")
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[[ $DIRSTACKBASE = ?(*/) ]] || \
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DIRSTACK[0]=${DIRSTACK[0]/#$DIRSTACKBASE/~}
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:
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}
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chpwd .
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function cd {
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builtin cd "$@"
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chpwd "$@"
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}
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function cd_csh {
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local d t=${1/#~/$DIRSTACKBASE}
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if ! d=$(builtin cd "$t" 2>&1); then
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print -u2 "${1}: ${d##*$t - }."
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return 1
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fi
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cd "$t"
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}
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function dirs {
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local d dwidth
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local -i fl=0 fv=0 fn=0 cpos=0
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while getopts ":lvn" d; do
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case $d {
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(l) fl=1 ;;
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(v) fv=1 ;;
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(n) fn=1 ;;
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(*) print -u2 'Usage: dirs [-lvn].'
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return 1 ;;
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}
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done
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shift $((OPTIND - 1))
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if (( $# > 0 )); then
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print -u2 'Usage: dirs [-lvn].'
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return 1
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fi
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if (( fv )); then
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fv=0
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while (( fv < ${#DIRSTACK[*]} )); do
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d=${DIRSTACK[fv]}
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(( fl )) && d=${d/#~/$DIRSTACKBASE}
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print -r -- "$fv $d"
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let fv++
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done
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else
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fv=0
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while (( fv < ${#DIRSTACK[*]} )); do
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d=${DIRSTACK[fv]}
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(( fl )) && d=${d/#~/$DIRSTACKBASE}
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(( dwidth = (${%d} > 0 ? ${%d} : ${#d}) ))
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if (( fn && (cpos += dwidth + 1) >= 79 && \
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dwidth < 80 )); then
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print
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(( cpos = dwidth + 1 ))
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fi
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print -nr -- "$d "
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let fv++
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done
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print
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fi
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return 0
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}
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function popd {
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local d fa
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local -i n=1
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while getopts ":0123456789lvn" d; do
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case $d {
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(l|v|n) fa+=" -$d" ;;
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(+*) n=2
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break ;;
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(*) print -u2 'Usage: popd [-lvn] [+<n>].'
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return 1 ;;
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}
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done
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shift $((OPTIND - n))
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n=0
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if (( $# > 1 )); then
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print -u2 popd: Too many arguments.
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return 1
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elif [[ $1 = ++([0-9]) && $1 != +0 ]]; then
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if (( (n = ${1#+}) >= ${#DIRSTACK[*]} )); then
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print -u2 popd: Directory stack not that deep.
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return 1
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fi
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elif [[ -n $1 ]]; then
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print -u2 popd: Bad directory.
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return 1
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fi
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if (( ${#DIRSTACK[*]} < 2 )); then
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print -u2 popd: Directory stack empty.
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return 1
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fi
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unset DIRSTACK[n]
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set -A DIRSTACK -- "${DIRSTACK[@]}"
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cd_csh "${DIRSTACK[0]}" || return 1
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dirs $fa
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}
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function pushd {
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local d fa
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local -i n=1
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while getopts ":0123456789lvn" d; do
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case $d {
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(l|v|n) fa+=" -$d" ;;
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(+*) n=2
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break ;;
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(*) print -u2 'Usage: pushd [-lvn] [<dir>|+<n>].'
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return 1 ;;
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}
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done
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shift $((OPTIND - n))
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if (( $# == 0 )); then
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if (( ${#DIRSTACK[*]} < 2 )); then
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print -u2 pushd: No other directory.
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return 1
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fi
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d=${DIRSTACK[1]}
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DIRSTACK[1]=${DIRSTACK[0]}
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cd_csh "$d" || return 1
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elif (( $# > 1 )); then
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print -u2 pushd: Too many arguments.
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return 1
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elif [[ $1 = ++([0-9]) && $1 != +0 ]]; then
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if (( (n = ${1#+}) >= ${#DIRSTACK[*]} )); then
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print -u2 pushd: Directory stack not that deep.
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return 1
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fi
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while (( n-- )); do
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d=${DIRSTACK[0]}
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unset DIRSTACK[0]
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set -A DIRSTACK -- "${DIRSTACK[@]}" "$d"
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done
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cd_csh "${DIRSTACK[0]}" || return 1
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else
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set -A DIRSTACK -- placeholder "${DIRSTACK[@]}"
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cd_csh "$1" || return 1
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fi
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dirs $fa
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}
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# pager (not control character safe)
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function smores {
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local dummy line llen curlin=0
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cat "$@" | while IFS= read -r line; do
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llen=${%line}
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(( llen == -1 )) && llen=${#line}
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(( llen = llen ? (llen + COLUMNS - 1) / COLUMNS : 1 ))
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if (( (curlin += llen) >= LINES )); then
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print -n -- '\033[7m--more--\033[0m'
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read -u1 dummy
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[[ $dummy = [Qq]* ]] && return 0
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curlin=$llen
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fi
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print -r -- "$line"
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done
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}
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# base64 encoder and decoder, RFC compliant, NUL safe
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function Lb64decode {
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[[ -o utf8-mode ]]; local u=$?
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set +U
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local c s="$*" t=
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[[ -n $s ]] || { s=$(cat;print x); s=${s%x}; }
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local -i i=0 j=0 n=${#s} p=0 v x
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local -i16 o
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while (( i < n )); do
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c=${s:(i++):1}
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case $c {
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(=) break ;;
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([A-Z]) (( v = 1#$c - 65 )) ;;
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([a-z]) (( v = 1#$c - 71 )) ;;
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([0-9]) (( v = 1#$c + 4 )) ;;
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(+) v=62 ;;
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(/) v=63 ;;
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(*) continue ;;
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}
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(( x = (x << 6) | v ))
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case $((p++)) {
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(0) continue ;;
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(1) (( o = (x >> 4) & 255 )) ;;
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(2) (( o = (x >> 2) & 255 )) ;;
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(3) (( o = x & 255 ))
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p=0
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;;
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}
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t+=\\x${o#16#}
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(( ++j & 4095 )) && continue
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print -n $t
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t=
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done
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print -n $t
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(( u )) || set -U
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}
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set -A Lb64encode_code -- A B C D E F G H I J K L M N O P Q R S T U V W X Y Z \
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a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9 + /
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function Lb64encode {
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[[ -o utf8-mode ]]; local u=$?
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set +U
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local c s t
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if (( $# )); then
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read -raN-1 s <<<"$*"
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unset s[${#s[*]}-1]
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else
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read -raN-1 s
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fi
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local -i i=0 n=${#s[*]} j v
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while (( i < n )); do
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(( v = s[i++] << 16 ))
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(( j = i < n ? s[i++] : 0 ))
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(( v |= j << 8 ))
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(( j = i < n ? s[i++] : 0 ))
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(( v |= j ))
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t+=${Lb64encode_code[v >> 18]}${Lb64encode_code[v >> 12 & 63]}
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c=${Lb64encode_code[v >> 6 & 63]}
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if (( i <= n )); then
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t+=$c${Lb64encode_code[v & 63]}
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elif (( i == n + 1 )); then
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t+=$c=
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else
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t+===
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fi
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if (( ${#t} == 76 || i >= n )); then
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print $t
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t=
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fi
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done
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(( u )) || set -U
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}
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# mksh NUL counting, never zero
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typeset -Z11 -Uui16 Lnzathash_v
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function Lnzathash_add {
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[[ -o utf8-mode ]]; local u=$?
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set +U
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local s
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if (( $# )); then
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read -raN-1 s <<<"$*"
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unset s[${#s[*]}-1]
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else
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read -raN-1 s
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fi
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local -i i=0 n=${#s[*]}
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while (( i < n )); do
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((# Lnzathash_v = (Lnzathash_v + s[i++] + 1) * 1025 ))
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((# Lnzathash_v ^= Lnzathash_v >> 6 ))
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done
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(( u )) || set -U
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}
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function Lnzaathash_end {
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((# Lnzathash_v *= 1025 ))
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((# Lnzathash_v ^= Lnzathash_v >> 6 ))
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((# Lnzathash_v += Lnzathash_v << 3 ))
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((# Lnzathash_v = (Lnzathash_v ^
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(Lnzathash_v >> 11)) * 32769 ))
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print ${Lnzathash_v#16#}
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}
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function Lnzaathash {
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Lnzathash_v=0
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Lnzathash_add "$@"
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Lnzaathash_end
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}
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function Lnzathash {
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Lnzathash_v=0
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Lnzathash_add "$@"
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Lnzathash_end
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}
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function Lnzathash_end {
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if (( Lnzathash_v )); then
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Lnzaathash_end
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else
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Lnzathash_v=1
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print ${Lnzathash_v#16#}
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fi
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}
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# strip comments (and leading/trailing whitespace if IFS is set) from
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# any file(s) given as argument, or stdin if none, and spew to stdout
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function Lstripcom {
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cat "$@" | { set -o noglob; while read _line; do
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_line=${_line%%#*}
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[[ -n $_line ]] && print -r -- $_line
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done; }
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}
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# give MidnightBSD's laffer1 a bit of csh feeling
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function setenv {
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eval export $1'="$2"'
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}
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: place customisations below this line
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for p in ~/.etc/bin ~/bin; do
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[[ -d $p/. ]] || continue
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[[ :$PATH: = *:$p:* ]] || PATH=$p:$PATH
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done
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export SHELL=$MKSH MANWIDTH=80 LESSHISTFILE=-
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alias cls='print -n \\033c'
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#unset LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_IDENTIFICATION LC_MONETARY \
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# LC_NAME LC_NUMERIC LC_TELEPHONE LC_TIME
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#p=en_GB.UTF-8
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#set -U
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#export LANG=C LC_CTYPE=$p LC_MEASUREMENT=$p LC_MESSAGES=$p LC_PAPER=$p
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unset p
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: place customisations above this line
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