Revisions to determine shell in script during runtime

deleted 136 characters in body

Source Link

edited Jun 1, 2020 at 8:51

584.8k
96
1.1k
1.7k

    'echo' +"'[{<?php echo chr(13)?>php <?php echo PHP_VERSION.chr(10);exit;?>}\
    @GOTO DOS [exit[set 1 [[set 2 package] names];set 3 Tcl\ [info patchlevel];\
    if {[lsearch -exact $1 Expect]>=0} {puts expect\ [$2 require Expect]\ ($3)} \
    elseif {[lsearch -exact $1 Tk]>=0} {puts wish\ ($3,\ Tk\ [$2 require Tk])} \
    else {puts $3}]]]' >/dev/null ' {\">/dev/null \
    ">"/dev/null" +"\'";q="#{",1//2,"}";a=+1;q='''=.q,';q=%{\"
    'echo' /*>/dev/null
    echo ">/dev/null;status=0;@ {status=1};*=(" '$' ");~ $status 1&&{e='"\
    "';eval catch $2 ^'&version {eval ''echo <='^ $2 ^'&version''}';exit};e='"\
    "';if (eval '{let ''a^~a''} >[2] /dev/null'){e='"\
    "';exec echo akanga};eval exec echo rc $2 ^ version;\" > /dev/null
    : #;echo possibly pre-Bourne UNIX V1-6 shell;exit
    if (! $?version) set version=csh;exec echo $version
    :DOS
    @CLS
    @IF NOT "%DOSEMU_VERSION%"=="" ECHO DOSEMU %DOSEMU_VERSION%
    @ECHO %OS% %COMSPEC%
    @VER
    @GOTO FIN
    ", unless eval 'printf "perl %vd\n",$^V;exit;'> "/dev/null";eval ': "\'';
    =S"';f=false e=exec\ echo n=/dev/null v=SH_VERSION;`(eval "f() { echo :
    };f")2>$n` $f||$e Bourne-like shell without function
    case `(: ${_z_?1}) 2>&1` in 1) $e ash/BSD sh;;esac;t(){
    eval "\${$1$v+:} $f &&exec echo ${2}sh \$$1$v";};t BA ba;t Z z;t PO po;t YA ya
    case `(typeset -Z2 b=0;$e $b)2>$n` in 00) (eval ':${.}')2>$n&&eval '
    $e ksh93 ${.sh.version}';t K pdk;$e ksh88;;esac;case `(eval '$e ${f#*s}$($e 1
    )$((1+1))')2>$n` in e12)$e POSIX shell;;esac;$e Bourne-like shell;: }
    print "ruby ",RUBY_VERSION,"\n";exit;' ''';import sys
    print("python "+sys.version);z='''*/;
    s="";j="JavaScript";if(typeof process=="object"){p=console.log;p(process.title
    ,process.version)}else{p=print;p((f="function")==(t=typeof version)?"string"==
    typeof(v=version())?v:(typeof build!=f?"":s= "SpiderMonkey ")+j+" "+v:(t==
    "undefined"?j+"?":version)+"\n");if(s)build()}/*
    :FIN } *///'''

    'echo' +"'[{<?php echo chr(13)?>php <?php echo PHP_VERSION.chr(10);exit;?>}\
    @GOTO DOS [exit[set 1 [[set 2 package] names];set 3 Tcl\ [info patchlevel];\
    if {[lsearch -exact $1 Expect]>=0} {puts expect\ [$2 require Expect]\ ($3)} \
    elseif {[lsearch -exact $1 Tk]>=0} {puts wish\ ($3,\ Tk\ [$2 require Tk])} \
    else {puts $3}]]]' >/dev/null ' {\">/dev/null \
    ">"/dev/null" +"\'";q="#{",1//2,"}";a=+1;q='''=.q,';q=%{\"
    'echo' /*>/dev/null
    echo ">/dev/null;status=0;@ {status=1};*=(" '$' ");~ $status 1&&{e='"\
    "';eval catch $2 ^'&version {eval ''echo <='^ $2 ^'&version''}';exit};e='"\
    "';if (eval '{let ''a^~a''} >[2] /dev/null'){e='"\
    "';exec echo akanga};eval exec echo rc $2 ^ version;\" > /dev/null
    : #;echo possibly pre-Bourne UNIX V1-6 shell;exit
    if (! $?version) set version=csh;exec echo $version
    :DOS
    @CLS
    @IF NOT "%DOSEMU_VERSION%"=="" ECHO DOSEMU %DOSEMU_VERSION%
    @ECHO %OS% %COMSPEC%
    @VER
    @GOTO FIN
    ", unless eval 'printf "perl %vd\n",$^V;exit;'> "/dev/null";eval ': "\'';
    =S"';f=false e=exec\ echo n=/dev/null v=SH_VERSION;`(eval "f() { echo :
    };f")2>$n` $f||$e Bourne-like shell without function
    case `(: ${_z_?1}) 2>&1` in 1) $e ash/BSD sh;;esac;t(){
    eval "\${$1$v+:} $f &&exec echo ${2}sh \$$1$v";};t BA ba;t Z z;t PO po;t YA ya
    case `(typeset -Z2 b=0;$e $b)2>$n` in 00) (eval ':${.}')2>$n&&eval '
    $e ksh93 ${.sh.version}';t K pdk;$e ksh88;;esac;case `(eval '$e ${f#*s}$($e 1
    )$((1+1))')2>$n` in e12)$e POSIX shell;;esac;$e Bourne-like shell;: }
    print "ruby ",RUBY_VERSION,"\n";exit;' ''';import sys
    print("python "+sys.version);z='''*/;
    s="";j="JavaScript";if(typeof process=="object"){p=console.log;p(process.title
    ,process.version)}else{p=print;p((f="function")==(t=typeof version)?"string"==
    typeof(v=version())?v:(typeof build!=f?"":s= "SpiderMonkey ")+j+" "+v:(t==
    "undefined"?j+"?":version)+"\n");if(s)build()}/*
    :FIN } *///'''

'echo' +"'[{<?php echo chr(13)?>php <?php echo PHP_VERSION.chr(10);exit;?>}\
@GOTO DOS [exit[set 1 [[set 2 package] names];set 3 Tcl\ [info patchlevel];\
if {[lsearch -exact $1 Expect]>=0} {puts expect\ [$2 require Expect]\ ($3)} \
elseif {[lsearch -exact $1 Tk]>=0} {puts wish\ ($3,\ Tk\ [$2 require Tk])} \
else {puts $3}]]]' >/dev/null ' {\">/dev/null \
">"/dev/null" +"\'";q="#{",1//2,"}";a=+1;q='''=.q,';q=%{\"
'echo' /*>/dev/null
echo ">/dev/null;status=0;@ {status=1};*=(" '$' ");~ $status 1&&{e='"\
"';eval catch $2 ^'&version {eval ''echo <='^ $2 ^'&version''}';exit};e='"\
"';if (eval '{let ''a^~a''} >[2] /dev/null'){e='"\
"';exec echo akanga};eval exec echo rc $2 ^ version;\" > /dev/null
: #;echo possibly pre-Bourne UNIX V1-6 shell;exit
if (! $?version) set version=csh;exec echo $version
:DOS
@CLS
@IF NOT "%DOSEMU_VERSION%"=="" ECHO DOSEMU %DOSEMU_VERSION%
@ECHO %OS% %COMSPEC%
@VER
@GOTO FIN
", unless eval 'printf "perl %vd\n",$^V;exit;'> "/dev/null";eval ': "\'';
=S"';f=false e=exec\ echo n=/dev/null v=SH_VERSION;`(eval "f() { echo :
};f")2>$n` $f||$e Bourne-like shell without function
case `(: ${_z_?1}) 2>&1` in 1) $e ash/BSD sh;;esac;t(){
eval "\${$1$v+:} $f &&exec echo ${2}sh \$$1$v";};t BA ba;t Z z;t PO po;t YA ya
case `(typeset -Z2 b=0;$e $b)2>$n` in 00) (eval ':${.}')2>$n&&eval '
$e ksh93 ${.sh.version}';t K pdk;$e ksh88;;esac;case `(eval '$e ${f#*s}$($e 1
)$((1+1))')2>$n` in e12)$e POSIX shell;;esac;$e Bourne-like shell;: }
print "ruby ",RUBY_VERSION,"\n";exit;' ''';import sys
print("python "+sys.version);z='''*/;
s="";j="JavaScript";if(typeof process=="object"){p=console.log;p(process.title
,process.version)}else{p=print;p((f="function")==(t=typeof version)?"string"==
typeof(v=version())?v:(typeof build!=f?"":s= "SpiderMonkey ")+j+" "+v:(t==
"undefined"?j+"?":version)+"\n");if(s)build()}/*
:FIN } *///'''

Formatted list

Source Link

edited Jan 23, 2020 at 14:56

Stéphane Chazelas

584.8k
96
1.1k
1.7k

Thompson shell (osh),
Bourne shell,
Bourne-again shell (bash),
Korn shell (ksh88, ksh93, pdksh, mksh),
zsh,
Policy-compliant Ordinary shell (posh),
Yet Another shell (yash),
rc shell,
akanga shell,
es shellsshell,
wish TCL interpreter,
tclsh TCL interpreter,
expect TCL interpreter,
Perl,
Python,
Ruby,
PHP,
JavaScript (nodejs, SpiderMonkey shell and JSPL at least)
MS/Wine cmd.execmd.exe, command.comcommand.com (MSDOS, FreeDOS...).

Thompson (osh),
Bourne,
Bourne-again (bash),
Korn (ksh88, ksh93, pdksh, mksh),
zsh,
Policy-compliant Ordinary (posh),
Yet Another (yash),
rc,
akanga
es shells
wish
tclsh
expect
Perl
Python
Ruby
PHP
JavaScript (nodejs, SpiderMonkey shell and JSPL at least)
MS/Wine cmd.exe, command.com (MSDOS, FreeDOS...).

Thompson shell (osh),
Bourne shell,
Bourne-again shell (bash),
Korn shell (ksh88, ksh93, pdksh, mksh),
zsh,
Policy-compliant Ordinary shell (posh),
Yet Another shell (yash),
rc shell,
akanga shell,
es shell,
wish TCL interpreter,
tclsh TCL interpreter,
expect TCL interpreter,
Perl,
Python,
Ruby,
PHP,
JavaScript (nodejs, SpiderMonkey shell and JSPL at least)
MS/Wine cmd.exe, command.com (MSDOS, FreeDOS...).

Formatted list

Source Link

edit approved Jan 23, 2020 at 14:56

Alexander

231
1
9

Maybe not what you're asking for, but this should work to some extent to identify the interpreter currently interpreting it for a few like Thompson (osh), Bourne, Bourne-again (bash), Korn (ksh88, ksh93, pdksh, mksh), zsh, Policy-compliant Ordinary (posh), Yet Another (yash), rc, akanga, es shells, wish, tclsh, expect, perl, python, ruby, php, JavaScript (nodejs, SpiderMonkey shell and JSPL at least), MS/Wine cmd.exe, command.com (MSDOS, FreeDOS...).

Thompson (osh),

Bourne,

Bourne-again (bash),

Korn (ksh88, ksh93, pdksh, mksh),

zsh,

Policy-compliant Ordinary (posh),

Yet Another (yash),

rc,

akanga

es shells

wish

tclsh

expect

Perl

Python

Ruby

PHP

JavaScript (nodejs, SpiderMonkey shell and JSPL at least)

MS/Wine cmd.exe, command.com (MSDOS, FreeDOS...).

    'echo' +"'[{<?php echo chr(13)?>php <?php echo PHP_VERSION.chr(10);exit;?>}\
    @GOTO DOS [exit[set 1 [[set 2 package] names];set 3 Tcl\ [info patchlevel];\
    if {[lsearch -exact $1 Expect]>=0} {puts expect\ [$2 require Expect]\ ($3)} \
    elseif {[lsearch -exact $1 Tk]>=0} {puts wish\ ($3,\ Tk\ [$2 require Tk])} \
    else {puts $3}]]]' >/dev/null ' {\">/dev/null \
    ">"/dev/null" +"\'";q="#{",1//2,"}";a=+1;q='''=.q,';q=%{\"
    'echo' /*>/dev/null
    echo ">/dev/null;status=0;@ {status=1};*=(" '$' ");~ $status 1&&{e='"\
    "';eval catch $2 ^'&version {eval ''echo <='^ $2 ^'&version''}';exit};e='"\
    "';if (eval '{let ''a^~a''} >[2] /dev/null'){e='"\
    "';exec echo akanga};eval exec echo rc $2 ^ version;\" > /dev/null
    : #;echo possibly pre-Bourne UNIX V1-6 shell;exit
    if (! $?version) set version=csh;exec echo $version
    :DOS
    @CLS
    @IF NOT "%DOSEMU_VERSION%"=="" ECHO DOSEMU %DOSEMU_VERSION%
    @ECHO %OS% %COMSPEC%
    @VER
    @GOTO FIN
    ", unless eval 'printf "perl %vd\n",$^V;exit;'> "/dev/null";eval ': "\'';
    =S"';f=false e=exec\ echo n=/dev/null v=SH_VERSION;`(eval "f() { echo :
    };f")2>$n` $f||$e Bourne-like shell without function
    case `(: ${_z_?1}) 2>&1` in 1) $e ash/BSD sh;;esac;t(){
    eval "\${$1$v+:} $f &&exec echo ${2}sh \$$1$v";};t BA ba;t Z z;t PO po;t YA ya
    case `(typeset -Z2 b=0;$e $b)2>$n` in 00) (eval ':${.}')2>$n&&eval '
    $e ksh93 ${.sh.version}';t K pdk;$e ksh88;;esac;case `(eval '$e ${f#*s}$($e 1
    )$((1+1))')2>$n` in e12)$e POSIX shell;;esac;$e Bourne-like shell;: }
    print "ruby ",RUBY_VERSION,"\n";exit;' ''';import sys
    print("python "+sys.version);z='''*/;
    s="";j="JavaScript";if(typeof process=="object"){p=console.log;p(process.title
    ,process.version)}else{p=print;p((f="function")==(t=typeof version)?"string"==
    typeof(v=version())?v:(typeof build!=f?"":s= "SpiderMonkey ")+j+" "+v:(t==
    "undefined"?j+"?":version)+"\n");if(s)build()}/*
    :FIN } *///'''

Maybe not what you're asking for, but this should work to some extent to identify the interpreter currently interpreting it for a few like Thompson (osh), Bourne, Bourne-again (bash), Korn (ksh88, ksh93, pdksh, mksh), zsh, Policy-compliant Ordinary (posh), Yet Another (yash), rc, akanga, es shells, wish, tclsh, expect, perl, python, ruby, php, JavaScript (nodejs, SpiderMonkey shell and JSPL at least), MS/Wine cmd.exe, command.com (MSDOS, FreeDOS...).

'echo' +"'[{<?php echo chr(13)?>php <?php echo PHP_VERSION.chr(10);exit;?>}\
@GOTO DOS [exit[set 1 [[set 2 package] names];set 3 Tcl\ [info patchlevel];\
if {[lsearch -exact $1 Expect]>=0} {puts expect\ [$2 require Expect]\ ($3)} \
elseif {[lsearch -exact $1 Tk]>=0} {puts wish\ ($3,\ Tk\ [$2 require Tk])} \
else {puts $3}]]]' >/dev/null ' {\">/dev/null \
">"/dev/null" +"\'";q="#{",1//2,"}";a=+1;q='''=.q,';q=%{\"
'echo' /*>/dev/null
echo ">/dev/null;status=0;@ {status=1};*=(" '$' ");~ $status 1&&{e='"\
"';eval catch $2 ^'&version {eval ''echo <='^ $2 ^'&version''}';exit};e='"\
"';if (eval '{let ''a^~a''} >[2] /dev/null'){e='"\
"';exec echo akanga};eval exec echo rc $2 ^ version;\" > /dev/null
: #;echo possibly pre-Bourne UNIX V1-6 shell;exit
if (! $?version) set version=csh;exec echo $version
:DOS
@CLS
@IF NOT "%DOSEMU_VERSION%"=="" ECHO DOSEMU %DOSEMU_VERSION%
@ECHO %OS% %COMSPEC%
@VER
@GOTO FIN
", unless eval 'printf "perl %vd\n",$^V;exit;'> "/dev/null";eval ': "\'';
=S"';f=false e=exec\ echo n=/dev/null v=SH_VERSION;`(eval "f() { echo :
};f")2>$n` $f||$e Bourne-like shell without function
case `(: ${_z_?1}) 2>&1` in 1) $e ash/BSD sh;;esac;t(){
eval "\${$1$v+:} $f &&exec echo ${2}sh \$$1$v";};t BA ba;t Z z;t PO po;t YA ya
case `(typeset -Z2 b=0;$e $b)2>$n` in 00) (eval ':${.}')2>$n&&eval '
$e ksh93 ${.sh.version}';t K pdk;$e ksh88;;esac;case `(eval '$e ${f#*s}$($e 1
)$((1+1))')2>$n` in e12)$e POSIX shell;;esac;$e Bourne-like shell;: }
print "ruby ",RUBY_VERSION,"\n";exit;' ''';import sys
print("python "+sys.version);z='''*/;
s="";j="JavaScript";if(typeof process=="object"){p=console.log;p(process.title
,process.version)}else{p=print;p((f="function")==(t=typeof version)?"string"==
typeof(v=version())?v:(typeof build!=f?"":s= "SpiderMonkey ")+j+" "+v:(t==
"undefined"?j+"?":version)+"\n");if(s)build()}/*
:FIN } *///'''

Maybe not what you're asking for, but this should work to some extent to identify the interpreter currently interpreting it for a few like

Thompson (osh),

Bourne,

Bourne-again (bash),

Korn (ksh88, ksh93, pdksh, mksh),

zsh,

Policy-compliant Ordinary (posh),

Yet Another (yash),

rc,

akanga

es shells

wish

tclsh

expect

Perl

Python

Ruby

PHP

JavaScript (nodejs, SpiderMonkey shell and JSPL at least)

MS/Wine cmd.exe, command.com (MSDOS, FreeDOS...).

    'echo' +"'[{<?php echo chr(13)?>php <?php echo PHP_VERSION.chr(10);exit;?>}\
    @GOTO DOS [exit[set 1 [[set 2 package] names];set 3 Tcl\ [info patchlevel];\
    if {[lsearch -exact $1 Expect]>=0} {puts expect\ [$2 require Expect]\ ($3)} \
    elseif {[lsearch -exact $1 Tk]>=0} {puts wish\ ($3,\ Tk\ [$2 require Tk])} \
    else {puts $3}]]]' >/dev/null ' {\">/dev/null \
    ">"/dev/null" +"\'";q="#{",1//2,"}";a=+1;q='''=.q,';q=%{\"
    'echo' /*>/dev/null
    echo ">/dev/null;status=0;@ {status=1};*=(" '$' ");~ $status 1&&{e='"\
    "';eval catch $2 ^'&version {eval ''echo <='^ $2 ^'&version''}';exit};e='"\
    "';if (eval '{let ''a^~a''} >[2] /dev/null'){e='"\
    "';exec echo akanga};eval exec echo rc $2 ^ version;\" > /dev/null
    : #;echo possibly pre-Bourne UNIX V1-6 shell;exit
    if (! $?version) set version=csh;exec echo $version
    :DOS
    @CLS
    @IF NOT "%DOSEMU_VERSION%"=="" ECHO DOSEMU %DOSEMU_VERSION%
    @ECHO %OS% %COMSPEC%
    @VER
    @GOTO FIN
    ", unless eval 'printf "perl %vd\n",$^V;exit;'> "/dev/null";eval ': "\'';
    =S"';f=false e=exec\ echo n=/dev/null v=SH_VERSION;`(eval "f() { echo :
    };f")2>$n` $f||$e Bourne-like shell without function
    case `(: ${_z_?1}) 2>&1` in 1) $e ash/BSD sh;;esac;t(){
    eval "\${$1$v+:} $f &&exec echo ${2}sh \$$1$v";};t BA ba;t Z z;t PO po;t YA ya
    case `(typeset -Z2 b=0;$e $b)2>$n` in 00) (eval ':${.}')2>$n&&eval '
    $e ksh93 ${.sh.version}';t K pdk;$e ksh88;;esac;case `(eval '$e ${f#*s}$($e 1
    )$((1+1))')2>$n` in e12)$e POSIX shell;;esac;$e Bourne-like shell;: }
    print "ruby ",RUBY_VERSION,"\n";exit;' ''';import sys
    print("python "+sys.version);z='''*/;
    s="";j="JavaScript";if(typeof process=="object"){p=console.log;p(process.title
    ,process.version)}else{p=print;p((f="function")==(t=typeof version)?"string"==
    typeof(v=version())?v:(typeof build!=f?"":s= "SpiderMonkey ")+j+" "+v:(t==
    "undefined"?j+"?":version)+"\n");if(s)build()}/*
    :FIN } *///'''

added support for nodejs

Source Link

edited Sep 19, 2017 at 9:15

Stéphane Chazelas

584.8k
96
1.1k
1.7k

Loading

added 1 character in body

Source Link

edited Mar 2, 2017 at 17:23

Stéphane Chazelas

584.8k
96
1.1k
1.7k

Loading

get latest version

Source Link

edited Jan 27, 2016 at 13:21

Stéphane Chazelas

584.8k
96
1.1k
1.7k

Loading

restore `es` that had been broken by the javascript code.

Source Link

edited Apr 21, 2013 at 17:46

Stéphane Chazelas

584.8k
96
1.1k
1.7k

Loading

add jspl, fixed and improved command.com/cmd.exe ones, condensed the TCL part. Added the script to github.

Source Link

edited Apr 21, 2013 at 16:06

Stéphane Chazelas

584.8k
96
1.1k
1.7k

Loading

Bounty Awarded with 500 reputation awarded by Gilles 'SO- stop being evil'

occurred Apr 20, 2013 at 22:45

added 382 characters in body

Source Link

edited Apr 15, 2013 at 21:32

Stéphane Chazelas

584.8k
96
1.1k
1.7k

Loading

added yash and smjs

Source Link

edited Apr 15, 2013 at 7:35

Stéphane Chazelas

584.8k
96
1.1k
1.7k

Loading

add php

Source Link

edited Apr 14, 2013 at 10:40

Stéphane Chazelas

584.8k
96
1.1k
1.7k

Loading

adapt to posh and newer pdksh

Source Link

edited Apr 4, 2013 at 21:35

Stéphane Chazelas

584.8k
96
1.1k
1.7k

Loading

added python3 support

Source Link

edited Apr 4, 2013 at 12:52

Stéphane Chazelas

584.8k
96
1.1k
1.7k

Loading

Source Link

answered Apr 4, 2013 at 9:03

Stéphane Chazelas

584.8k
96
1.1k
1.7k

Loading

Stack Exchange Network

Return to Answer