# $Id$
# $MirOS: src/bin/mksh/dot.mkshrc,v 1.121 2017/08/08 21:10:21 tg Exp $
#-
# Copyright (c) 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010,
# 2011, 2012, 2013, 2014, 2015, 2016, 2017
# mirabilos <m@mirbsd.org>
#
# Provided that these terms and disclaimer and all copyright notices
# are retained or reproduced in an accompanying document, permission
# is granted to deal in this work without restriction, including un-
# limited rights to use, publicly perform, distribute, sell, modify,
# merge, give away, or sublicence.
#
# This work is provided "AS IS" and WITHOUT WARRANTY of any kind, to
# the utmost extent permitted by applicable law, neither express nor
# implied; without malicious intent or gross negligence. In no event
# may a licensor, author or contributor be held liable for indirect,
# direct, other damage, loss, or other issues arising in any way out
# of dealing in the work, even if advised of the possibility of such
# damage or existence of a defect, except proven that it results out
# of said person's immediate fault when using the work as intended.
#-
# ${ENV:-~/.mkshrc}: mksh initialisation file for interactive shells
# catch non-mksh, non-lksh, trying to run this file
case ${KSH_VERSION:-} in
*LEGACY\ KSH*|*MIRBSD\ KSH*) ;;
*) \return 0 ;;
esac
# give MidnightBSD's laffer1 a bit of csh feeling
function setenv {
if (( $# )); then
\\builtin eval '\\builtin export "$1"="${2:-}"'
else
\\builtin typeset -x
fi
}
# pager (not control character safe)
smores() (
\\builtin set +m
\\builtin cat "$@" |&
\\builtin trap "rv=\$?; \\\\builtin kill $! >/dev/null 2>&1; \\\\builtin exit \$rv" EXIT
while IFS= \\builtin read -pr line; do
llen=${%line}
(( llen == -1 )) && llen=${#line}
(( llen = llen ? (llen + COLUMNS - 1) / COLUMNS : 1 ))
if (( (curlin += llen) >= LINES )); then
\\builtin print -nr -- $'\e[7m--more--\e[0m'
\\builtin read -u1 || \\builtin exit $?
[[ $REPLY = [Qq]* ]] && \\builtin exit 0
curlin=$llen
fi
\\builtin print -r -- "$line"
done
)
# customise your favourite editor here; the first one found is used
for EDITOR in "${EDITOR:-}" jupp jstar mcedit ed vi; do
EDITOR=$(\\builtin whence -p "$EDITOR") || EDITOR=
[[ -n $EDITOR && -x $EDITOR ]] && break
EDITOR=
done
\\builtin alias ls=ls l='ls -F' la='l -a' ll='l -l' lo='l -alo'
\: "${HOSTNAME:=$(\\builtin ulimit -c 0; \\builtin print -r -- $(hostname \
2>/dev/null))}${EDITOR:=/bin/ed}${TERM:=vt100}${USER:=$(\\builtin ulimit \
-c 0; id -un 2>/dev/null)}${USER:=?}"
[[ $HOSTNAME = ?(?(ip6-)localhost?(6)) ]] && HOSTNAME=nil; \\builtin unalias ls
\\builtin export EDITOR HOSTNAME TERM USER
# minimal support for lksh users
if [[ $KSH_VERSION = *LEGACY\ KSH* ]]; then
PS1='$USER@${HOSTNAME%%.*}:$PWD>'
\\builtin return 0
fi
# mksh-specific from here
\: "${MKSH:=$(\\builtin whence -p mksh)}${MKSH:=/bin/mksh}"
\\builtin export MKSH
# prompts
PS4='[$EPOCHREALTIME] '; PS1='#'; (( USER_ID )) && PS1='$'; PS1=$'\001\r''${|
\\builtin typeset e=$?
(( e )) && REPLY+="$e|"
REPLY+=${USER}@${HOSTNAME%%.*}:
\\builtin typeset d=${PWD:-?}/ p=~; [[ $p = ?(*/) ]] || d=${d/#$p\//\~/}
d=${d%/}; \\builtin typeset m=${%d} n p=...; (( m > 0 )) || m=${#d}
(( m > (n = (COLUMNS/3 < 7 ? 7 : COLUMNS/3)) )) && d=${d:(-n)} || p=
REPLY+=$p$d
\\builtin return $e
} '"$PS1 "
# utilities
\\builtin alias doch='sudo mksh -c "$(\\builtin fc -ln -1)"'
\\builtin command -v rot13 >/dev/null || \\builtin alias rot13='tr \
abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ \
nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM'
if \\builtin command -v hd >/dev/null; then
\:
elif \\builtin command -v hexdump >/dev/null; then
function hd {
hexdump -e '"%08.8_ax " 8/1 "%02X " " - " 8/1 "%02X "' \
-e '" |" "%_p"' -e '"|\n"' "$@"
}
else
function hd {
\\builtin cat "$@" | hd_mksh "$@"
}
fi
# NUL-safe and EBCDIC-safe hexdump (from stdin)
function hd_mksh {
\\builtin typeset -Uui16 -Z11 pos=0
\\builtin typeset -Uui16 -Z5 hv=2147483647
\\builtin typeset dasc dn line i
\\builtin set +U
while \\builtin read -arn 512 line; do
\\builtin typeset -i1 'line[*]'
i=0
while (( i < ${#line[*]} )); do
dn=
(( (hv = line[i++]) != 0 )) && dn=${line[i-1]#1#}
if (( (pos & 15) == 0 )); then
(( pos )) && \
\\builtin print -r -- "$dasc|"
\\builtin print -nr "${pos#16#} "
dasc=' |'
fi
\\builtin print -nr "${hv#16#} "
if [[ $dn = [[:print:]] ]]; then
dasc+=$dn
else
dasc+=.
fi
(( (pos++ & 15) == 7 )) && \
\\builtin print -nr -- '- '
done
done
while (( pos & 15 )); do
\\builtin print -nr ' '
(( (pos++ & 15) == 7 )) && \
\\builtin print -nr -- '- '
done
(( hv == 2147483647 )) || \\builtin print -r -- "$dasc|"
}
# Berkeley C shell compatible dirs, popd, and pushd functions
# Z shell compatible chpwd() hook, used to update DIRSTACK[0]
DIRSTACKBASE=$(\\builtin realpath ~/. 2>/dev/null || \
\\builtin print -nr -- "${HOME:-/}")
\\builtin set -A DIRSTACK
function chpwd {
DIRSTACK[0]=$(\\builtin realpath . 2>/dev/null || \
\\builtin print -nr -- "$PWD")
[[ $DIRSTACKBASE = ?(*/) ]] || \
DIRSTACK[0]=${DIRSTACK[0]/#$DIRSTACKBASE/\~}
\:
}
\chpwd .
cd() {
\\builtin cd "$@" || \\builtin return $?
\chpwd "$@"
}
function cd_csh {
\\builtin typeset d t=${1/#\~/$DIRSTACKBASE}
if ! d=$(\\builtin cd "$t" 2>&1); then
\\builtin print -ru2 "${1}: ${d##*cd: $t: }."
\\builtin return 1
fi
\cd "$t"
}
function dirs {
\\builtin typeset d dwidth
\\builtin typeset -i fl=0 fv=0 fn=0 cpos=0
while \\builtin getopts ":lvn" d; do
case $d {
(l) fl=1 ;;
(v) fv=1 ;;
(n) fn=1 ;;
(*) \\builtin print -ru2 'Usage: dirs [-lvn].'
\\builtin return 1 ;;
}
done
\\builtin shift $((OPTIND - 1))
if (( $# > 0 )); then
\\builtin print -ru2 'Usage: dirs [-lvn].'
\\builtin return 1
fi
if (( fv )); then
fv=0
while (( fv < ${#DIRSTACK[*]} )); do
d=${DIRSTACK[fv]}
(( fl )) && d=${d/#\~/$DIRSTACKBASE}
\\builtin print -r -- "$fv $d"
(( ++fv ))
done
else
fv=0
while (( fv < ${#DIRSTACK[*]} )); do
d=${DIRSTACK[fv]}
(( fl )) && d=${d/#\~/$DIRSTACKBASE}
(( dwidth = (${%d} > 0 ? ${%d} : ${#d}) ))
if (( fn && (cpos += dwidth + 1) >= 79 && \
dwidth < 80 )); then
\\builtin print
(( cpos = dwidth + 1 ))
fi
\\builtin print -nr -- "$d "
(( ++fv ))
done
\\builtin print
fi
\\builtin return 0
}
function popd {
\\builtin typeset d fa
\\builtin typeset -i n=1
while \\builtin getopts ":0123456789lvn" d; do
case $d {
(l|v|n) fa+=" -$d" ;;
(+*) n=2
\\builtin break ;;
(*) \\builtin print -ru2 'Usage: popd [-lvn] [+<n>].'
\\builtin return 1 ;;
}
done
\\builtin shift $((OPTIND - n))
n=0
if (( $# > 1 )); then
\\builtin print -ru2 popd: Too many arguments.
\\builtin return 1
elif [[ $1 = ++([0-9]) && $1 != +0 ]]; then
if (( (n = ${1#+}) >= ${#DIRSTACK[*]} )); then
\\builtin print -ru2 popd: Directory stack not that deep.
\\builtin return 1
fi
elif [[ -n $1 ]]; then
\\builtin print -ru2 popd: Bad directory.
\\builtin return 1
fi
if (( ${#DIRSTACK[*]} < 2 )); then
\\builtin print -ru2 popd: Directory stack empty.
\\builtin return 1
fi
\\builtin unset DIRSTACK[n]
\\builtin set -A DIRSTACK -- "${DIRSTACK[@]}"
\cd_csh "${DIRSTACK[0]}" || \\builtin return 1
\dirs $fa
}
function pushd {
\\builtin typeset d fa
\\builtin typeset -i n=1
while \\builtin getopts ":0123456789lvn" d; do
case $d {
(l|v|n) fa+=" -$d" ;;
(+*) n=2
\\builtin break ;;
(*) \\builtin print -ru2 'Usage: pushd [-lvn] [<dir>|+<n>].'
\\builtin return 1 ;;
}
done
\\builtin shift $((OPTIND - n))
if (( $# == 0 )); then
if (( ${#DIRSTACK[*]} < 2 )); then
\\builtin print -ru2 pushd: No other directory.
\\builtin return 1
fi
d=${DIRSTACK[1]}
DIRSTACK[1]=${DIRSTACK[0]}
\cd_csh "$d" || \\builtin return 1
elif (( $# > 1 )); then
\\builtin print -ru2 pushd: Too many arguments.
\\builtin return 1
elif [[ $1 = ++([0-9]) && $1 != +0 ]]; then
if (( (n = ${1#+}) >= ${#DIRSTACK[*]} )); then
\\builtin print -ru2 pushd: Directory stack not that deep.
\\builtin return 1
fi
while (( n-- )); do
d=${DIRSTACK[0]}
\\builtin unset DIRSTACK[0]
\\builtin set -A DIRSTACK -- "${DIRSTACK[@]}" "$d"
done
\cd_csh "${DIRSTACK[0]}" || \\builtin return 1
else
\\builtin set -A DIRSTACK -- placeholder "${DIRSTACK[@]}"
\cd_csh "$1" || \\builtin return 1
fi
\dirs $fa
}
# base64 encoder and decoder, RFC compliant, NUL safe, not EBCDIC safe
function Lb64decode {
\\builtin set +U
\\builtin typeset c s="$*" t
[[ -n $s ]] || { s=$(\\builtin cat; \\builtin print x); s=${s%x}; }
\\builtin typeset -i i=0 j=0 n=${#s} p=0 v x
\\builtin typeset -i16 o
while (( i < n )); do
c=${s:(i++):1}
case $c {
(=) \\builtin break ;;
([A-Z]) (( v = 1#$c - 65 )) ;;
([a-z]) (( v = 1#$c - 71 )) ;;
([0-9]) (( v = 1#$c + 4 )) ;;
(+) v=62 ;;
(/) v=63 ;;
(*) \\builtin continue ;;
}
(( x = (x << 6) | v ))
case $((p++)) {
(0) \\builtin continue ;;
(1) (( o = (x >> 4) & 255 )) ;;
(2) (( o = (x >> 2) & 255 )) ;;
(3) (( o = x & 255 ))
p=0
;;
}
t+=\\x${o#16#}
(( ++j & 4095 )) && \\builtin continue
\\builtin print -n $t
t=
done
\\builtin print -n $t
}
function Lb64encode {
\\builtin set +U
\\builtin typeset c s t table
\\builtin set -A table -- 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 \
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 + /
if (( $# )); then
\\builtin read -raN-1 s <<<"$*"
\\builtin unset s[${#s[*]}-1]
else
\\builtin read -raN-1 s
fi
\\builtin typeset -i i=0 n=${#s[*]} v
while (( i < n )); do
(( v = s[i++] << 16 ))
(( v |= s[i++] << 8 ))
(( v |= s[i++] ))
t+=${table[v >> 18]}${table[v >> 12 & 63]}
c=${table[v >> 6 & 63]}
if (( i <= n )); then
t+=$c${table[v & 63]}
elif (( i == n + 1 )); then
t+=$c=
else
t+===
fi
if (( ${#t} == 76 || i >= n )); then
\\builtin print -r $t
t=
fi
done
}
# Better Avalanche for the Jenkins Hash
\\builtin typeset -Z11 -Uui16 Lbafh_v
function Lbafh_init {
Lbafh_v=0
}
function Lbafh_add {
\\builtin set +U
\\builtin typeset s
if (( $# )); then
\\builtin read -raN-1 s <<<"$*"
\\builtin unset s[${#s[*]}-1]
else
\\builtin read -raN-1 s
fi
\\builtin typeset -i i=0 n=${#s[*]}
while (( i < n )); do
((# Lbafh_v = (Lbafh_v + s[i++] + 1) * 1025 ))
((# Lbafh_v ^= Lbafh_v >> 6 ))
done
}
function Lbafh_finish {
\\builtin typeset -Ui t
((# t = (((Lbafh_v >> 7) & 0x01010101) * 0x1B) ^ \
((Lbafh_v << 1) & 0xFEFEFEFE) ))
((# Lbafh_v = t ^ (t ^> 8) ^ (Lbafh_v ^> 8) ^ \
(Lbafh_v ^> 16) ^ (Lbafh_v ^> 24) ))
\:
}
# strip comments (and leading/trailing whitespace if IFS is set) from
# any file(s) given as argument, or stdin if none, and spew to stdout
function Lstripcom {
\\builtin set -o noglob
\\builtin cat "$@" | while \\builtin read _line; do
_line=${_line%%#*}
[[ -n $_line ]] && \\builtin print -r -- $_line
done
}
# toggle built-in aliases and utilities, and aliases and functions from mkshrc
function enable {
\\builtin typeset doprnt=0 mode=1 x y z rv=0
\\builtin typeset b_alias i_alias i_func nalias=0 nfunc=0 i_all
\\builtin set -A b_alias
\\builtin set -A i_alias
\\builtin set -A i_func
# accumulate mksh built-in aliases, in ASCIIbetical order
i_alias[nalias]=autoload; b_alias[nalias++]='\\builtin typeset -fu'
i_alias[nalias]=functions; b_alias[nalias++]='\\builtin typeset -f'
i_alias[nalias]=hash; b_alias[nalias++]='\\builtin alias -t'
i_alias[nalias]=history; b_alias[nalias++]='\\builtin fc -l'
i_alias[nalias]=integer; b_alias[nalias++]='\\builtin typeset -i'
i_alias[nalias]=local; b_alias[nalias++]='\\builtin typeset'
i_alias[nalias]=login; b_alias[nalias++]='\\builtin exec login'
i_alias[nalias]=nameref; b_alias[nalias++]='\\builtin typeset -n'
i_alias[nalias]=nohup; b_alias[nalias++]='nohup '
i_alias[nalias]=r; b_alias[nalias++]='\\builtin fc -e -'
i_alias[nalias]=type; b_alias[nalias++]='\\builtin whence -v'
# accumulate mksh built-in utilities, in definition order, even ifndef
i_func[nfunc++]=.
i_func[nfunc++]=:
i_func[nfunc++]='['
i_func[nfunc++]=alias
i_func[nfunc++]=break
# \\builtin cannot, by design, be overridden
i_func[nfunc++]=builtin
i_func[nfunc++]=cat
i_func[nfunc++]=cd
i_func[nfunc++]=chdir
i_func[nfunc++]=command
i_func[nfunc++]=continue
i_func[nfunc++]=echo
i_func[nfunc++]=eval
i_func[nfunc++]=exec
i_func[nfunc++]=exit
i_func[nfunc++]=export
i_func[nfunc++]=false
i_func[nfunc++]=fc
i_func[nfunc++]=getopts
i_func[nfunc++]=global
i_func[nfunc++]=jobs
i_func[nfunc++]=kill
i_func[nfunc++]=let
i_func[nfunc++]=print
i_func[nfunc++]=pwd
i_func[nfunc++]=read
i_func[nfunc++]=readonly
i_func[nfunc++]=realpath
i_func[nfunc++]=rename
i_func[nfunc++]=return
i_func[nfunc++]=set
i_func[nfunc++]=shift
i_func[nfunc++]=source
i_func[nfunc++]=suspend
i_func[nfunc++]=test
i_func[nfunc++]=times
i_func[nfunc++]=trap
i_func[nfunc++]=true
i_func[nfunc++]=typeset
i_func[nfunc++]=ulimit
i_func[nfunc++]=umask
i_func[nfunc++]=unalias
i_func[nfunc++]=unset
i_func[nfunc++]=wait
i_func[nfunc++]=whence
i_func[nfunc++]=bg
i_func[nfunc++]=fg
i_func[nfunc++]=bind
i_func[nfunc++]=mknod
i_func[nfunc++]=printf
i_func[nfunc++]=sleep
i_func[nfunc++]=domainname
i_func[nfunc++]=extproc
# accumulate aliases from dot.mkshrc, in definition order
i_alias[nalias]=l; b_alias[nalias++]='ls -F'
i_alias[nalias]=la; b_alias[nalias++]='l -a'
i_alias[nalias]=ll; b_alias[nalias++]='l -l'
i_alias[nalias]=lo; b_alias[nalias++]='l -alo'
i_alias[nalias]=doch; b_alias[nalias++]='sudo mksh -c "$(\\builtin fc -ln -1)"'
i_alias[nalias]=rot13; b_alias[nalias++]='tr abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM'
i_alias[nalias]=cls; b_alias[nalias++]='\\builtin print -n \\ec'
# accumulate functions from dot.mkshrc, in definition order
i_func[nfunc++]=setenv
i_func[nfunc++]=smores
i_func[nfunc++]=hd
i_func[nfunc++]=hd_mksh
i_func[nfunc++]=chpwd
i_func[nfunc++]=cd
i_func[nfunc++]=cd_csh
i_func[nfunc++]=dirs
i_func[nfunc++]=popd
i_func[nfunc++]=pushd
i_func[nfunc++]=Lb64decode
i_func[nfunc++]=Lb64encode
i_func[nfunc++]=Lbafh_init
i_func[nfunc++]=Lbafh_add
i_func[nfunc++]=Lbafh_finish
i_func[nfunc++]=Lstripcom
i_func[nfunc++]=enable
# collect all identifiers, sorted ASCIIbetically
\\builtin set -sA i_all -- "${i_alias[@]}" "${i_func[@]}"
# handle options, we don't do dynamic loading
while \\builtin getopts "adf:nps" x; do
case $x {
(a)
mode=-1
;;
(d)
# deliberately causing an error, like bash-static
;|
(f)
\\builtin print -ru2 enable: dynamic loading not available
\\builtin return 2
;;
(n)
mode=0
;;
(p)
doprnt=1
;;
(s)
\\builtin set -sA i_all -- . : break continue eval \
exec exit export readonly return set shift times \
trap unset
;;
(*)
\\builtin print -ru2 enable: usage: \
"enable [-adnps] [-f filename] [name ...]"
return 2
;;
}
done
\\builtin shift $((OPTIND - 1))
# display builtins enabled/disabled/all/special?
if (( doprnt || ($# == 0) )); then
for x in "${i_all[@]}"; do
y=$(\\builtin alias "$x") || y=
[[ $y = "$x='\\\\builtin whence -p $x >/dev/null || (\\\\builtin print -r mksh: $x: not found; \\\\builtin exit 127) && \$(\\\\builtin whence -p $x)'" ]]; z=$?
case $mode:$z {
(-1:0|0:0)
\\builtin print -r -- "enable -n $x"
;;
(-1:1|1:1)
\\builtin print -r -- "enable $x"
;;
}
done
\\builtin return 0
fi
for x in "$@"; do
z=0
for y in "${i_alias[@]}" "${i_func[@]}"; do
[[ $x = "$y" ]] || \\builtin continue
z=1
\\builtin break
done
if (( !z )); then
\\builtin print -ru2 enable: "$x": not a shell builtin
rv=1
\\builtin continue
fi
if (( !mode )); then
# disable this
\\builtin alias "$x=\\\\builtin whence -p $x >/dev/null || (\\\\builtin print -r mksh: $x: not found; \\\\builtin exit 127) && \$(\\\\builtin whence -p $x)"
else
# find out if this is an alias or not, first
z=0
y=-1
while (( ++y < nalias )); do
[[ $x = "${i_alias[y]}" ]] || \\builtin continue
z=1
\\builtin break
done
if (( z )); then
# re-enable the original alias body
\\builtin alias "$x=${b_alias[y]}"
else
# re-enable the original utility/function
\\builtin unalias "$x"
fi
fi
done
\\builtin return $rv
}
\: place customisations below this line
# some defaults follow — you are supposed to adjust these to your
# liking; by default we add ~/.etc/bin and ~/bin (whichever exist)
# to $PATH, set $SHELL to mksh, set some defaults for man and less
# and show a few more possible things for users to begin moving in
for p in ~/.etc/bin ~/bin; do
[[ -d $p/. ]] || \\builtin continue
[[ $PATHSEP$PATH$PATHSEP = *"$PATHSEP$p$PATHSEP"* ]] || \
PATH=$p$PATHSEP$PATH
done
\\builtin export SHELL=$MKSH MANWIDTH=80 LESSHISTFILE=-
\\builtin alias cls='\\builtin print -n \\ec'
#\\builtin unset LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_IDENTIFICATION LC_MONETARY \
# LC_NAME LC_NUMERIC LC_TELEPHONE LC_TIME
#p=en_GB.UTF-8
#\\builtin export LANG=C LC_CTYPE=$p LC_MEASUREMENT=$p LC_MESSAGES=$p LC_PAPER=$p
#\\builtin set -U
\\builtin unset p
\: place customisations above this line