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#!/usr/bin/env bash |
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|
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### Env value doesn't persist |
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FOO=foo printenv.py FOO |
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echo [$FOO] |
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# STDOUT: |
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foo |
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[] |
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## END |
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|
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### Env value with equals |
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FOO=foo=foo printenv.py FOO |
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## stdout: foo=foo |
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|
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### Env binding can use preceding bindings, but not subsequent ones |
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# This means that for ASSIGNMENT_WORD, on the RHS you invoke the parser again! |
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# Could be any kind of quoted string. |
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FOO="foo" BAR="[$FOO][$BAZ]" BAZ=baz printenv.py FOO BAR BAZ |
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## STDOUT: |
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foo |
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[foo][] |
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baz |
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## BUG mksh STDOUT: |
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foo |
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[][] |
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baz |
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## END |
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|
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### Env value with two quotes |
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FOO='foo'"adjacent" printenv.py FOO |
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# stdout: fooadjacent |
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|
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### Env value with escaped < |
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FOO=foo\<foo printenv.py FOO |
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## stdout: foo<foo |
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|
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### FOO=foo echo [foo] |
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FOO=foo echo "[$foo]" |
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## stdout: [] |
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|
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### FOO=foo func |
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func() { |
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echo "[$FOO]" |
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} |
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FOO=foo func |
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## stdout: [foo] |
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|
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### Multiple temporary envs on the stack |
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g() { |
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echo "$F" "$G1" "$G2" |
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echo '--- g() ---' |
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P=p printenv.py F G1 G2 A P |
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} |
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f() { |
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# NOTE: G1 doesn't pick up binding f, but G2 picks up a. |
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# I don't quite understand why this is, but bash and OSH agree! |
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G1=[$f] G2=[$a] g |
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echo '--- f() ---' |
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printenv.py F G1 G2 A P |
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} |
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a=A |
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F=f f |
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## STDOUT: |
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f [] [A] |
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--- g() --- |
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f |
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[] |
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[A] |
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None |
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p |
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--- f() --- |
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f |
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None |
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None |
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None |
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None |
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## END |
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## OK mksh STDOUT: |
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# G1 and G2 somehow persist. I think that is a bug. They should be local to |
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# the G call. |
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f [] [A] |
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--- g() --- |
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f |
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[] |
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[A] |
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None |
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p |
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--- f() --- |
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f |
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[] |
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[A] |
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None |
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None |
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## END |
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## BUG dash STDOUT: |
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# dash sets even less stuff. Doesn't appear correct. |
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f [] [A] |
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--- g() --- |
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None |
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None |
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None |
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None |
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p |
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--- f() --- |
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None |
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None |
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None |
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None |
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None |
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## END |
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|
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### Escaped = in command name |
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# foo=bar is in the 'spec/bin' dir. |
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foo\=bar |
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## stdout: HI |
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|
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### Env binding not allowed before compound command |
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# bash gives exit code 2 for syntax error, because of 'do'. |
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# dash gives 0 because there is stuff after for? Should really give an error. |
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# mksh gives acceptable error of 1. |
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FOO=bar for i in a b; do printenv.py $FOO; done |
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## BUG dash status: 0 |
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## OK mksh status: 1 |
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## status: 2 |
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|
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### Trying to run keyword 'for' |
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FOO=bar for |
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## status: 127 |
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|
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### Empty env binding |
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EMPTY= printenv.py EMPTY |
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## stdout: |
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|
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### Assignment doesn't do word splitting |
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words='one two' |
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a=$words |
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argv.py "$a" |
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## stdout: ['one two'] |
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|
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### Assignment doesn't do glob expansion |
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touch _tmp/z.Z _tmp/zz.Z |
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a=_tmp/*.Z |
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argv.py "$a" |
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# stdout: ['_tmp/*.Z'] |
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|
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### Env binding in readonly/declare disallowed |
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# I'm disallowing this in the oil shell, because it doesn't work in bash! |
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# (v=None vs v=foo) |
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# assert status 2 for parse error, but allow stdout v=None/status 0 for |
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# existing implementations. |
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FOO=foo readonly v=$(printenv.py FOO) |
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echo "v=$v" |
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# OK bash/dash/mksh stdout: v=None |
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# OK bash/dash/mksh status: 0 |
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# status: 2 |
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|
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### local -a |
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# nixpkgs setup.sh uses this (issue #26) |
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f() { |
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local -a array=(x y z) |
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argv.py "${array[@]}" |
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} |
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f |
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# stdout: ['x', 'y', 'z'] |
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# N-I dash stdout-json: "" |
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# N-I dash status: 2 |
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# N-I mksh stdout-json: "" |
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# N-I mksh status: 1 |
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|
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### declare -a |
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# nixpkgs setup.sh uses this (issue #26) |
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declare -a array=(x y z) |
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argv.py "${array[@]}" |
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# stdout: ['x', 'y', 'z'] |
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# N-I dash stdout-json: "" |
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# N-I dash status: 2 |
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# N-I mksh stdout-json: "" |
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# N-I mksh status: 1 |
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|
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### typeset -a a[1]=a a[3]=c |
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# declare works the same way in bash, but not mksh. |
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# spaces are NOT allowed here. |
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typeset -a a[1*1]=x a[1+2]=z |
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argv.py "${a[@]}" |
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# stdout: ['x', 'z'] |
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# N-I dash stdout-json: "" |
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# N-I dash status: 2 |
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|
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### indexed LHS without spaces is allowed |
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a[1 * 1]=x a[ 1 + 2 ]=z |
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argv.py "${a[@]}" |
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# stdout: ['x', 'z'] |
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# N-I dash stdout-json: "" |
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# N-I dash status: 2 |
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|
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### declare -f |
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func2=x # var names are NOT found |
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declare -f myfunc func2 |
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echo $? |
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|
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myfunc() { echo myfunc; } |
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# This prints the source code. |
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declare -f myfunc func2 > /dev/null |
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echo $? |
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|
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func2() { echo func2; } |
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declare -f myfunc func2 > /dev/null |
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echo $? |
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## STDOUT: |
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1 |
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1 |
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0 |
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## END |
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## N-I dash/mksh STDOUT: |
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127 |
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127 |
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127 |
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## END |
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|
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### declare -p |
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var1() { echo func; } # function names are NOT found. |
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declare -p var1 var2 >/dev/null |
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echo $? |
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|
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var1=x |
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declare -p var1 var2 >/dev/null |
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echo $? |
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|
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var2=y |
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declare -p var1 var2 >/dev/null |
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echo $? |
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## STDOUT: |
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1 |
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1 |
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0 |
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## N-I dash/mksh STDOUT: |
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127 |
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127 |
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127 |
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## END |
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|
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### typeset -f |
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# mksh implement typeset but not declare |
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typeset -f myfunc func2 |
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echo $? |
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|
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myfunc() { echo myfunc; } |
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# This prints the source code. |
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typeset -f myfunc func2 > /dev/null |
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echo $? |
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|
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func2() { echo func2; } |
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typeset -f myfunc func2 > /dev/null |
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echo $? |
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## STDOUT: |
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1 |
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1 |
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0 |
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## END |
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## N-I dash STDOUT: |
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127 |
262 |
127 |
263 |
127 |
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## END |
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|
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### typeset -p |
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var1() { echo func; } # function names are NOT found. |
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typeset -p var1 var2 >/dev/null |
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echo $? |
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|
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var1=x |
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typeset -p var1 var2 >/dev/null |
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echo $? |
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|
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var2=y |
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typeset -p var1 var2 >/dev/null |
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echo $? |
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## STDOUT: |
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1 |
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1 |
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0 |
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## BUG mksh STDOUT: |
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# mksh doesn't respect exit codes |
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0 |
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0 |
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0 |
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## END |
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## N-I dash STDOUT: |
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127 |
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127 |
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127 |
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## END |
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|
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### typeset -r makes a string readonly |
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typeset -r s1='12' |
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typeset -r s2='34' |
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|
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s1='c' |
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echo status=$? |
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s2='d' |
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echo status=$? |
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|
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s1+='e' |
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echo status=$? |
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s2+='f' |
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echo status=$? |
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|
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unset s1 |
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echo status=$? |
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unset s2 |
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echo status=$? |
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|
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## status: 1 |
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## stdout-json: "" |
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## OK mksh status: 2 |
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## OK bash status: 0 |
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## OK bash STDOUT: |
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status=1 |
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status=1 |
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status=1 |
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status=1 |
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status=1 |
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status=1 |
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## END |
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## OK dash status: 0 |
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## N-I dash STDOUT: |
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status=0 |
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status=0 |
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status=127 |
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status=127 |
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status=0 |
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status=0 |
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## END |
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|
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### typeset -ar makes it readonly |
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typeset -a -r array1=(1 2) |
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typeset -ar array2=(3 4) |
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|
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array1=('c') |
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echo status=$? |
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array2=('d') |
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echo status=$? |
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|
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array1+=('e') |
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echo status=$? |
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array2+=('f') |
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echo status=$? |
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|
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unset array1 |
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echo status=$? |
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unset array2 |
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echo status=$? |
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|
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## status: 1 |
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## stdout-json: "" |
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## OK bash status: 0 |
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## OK bash STDOUT: |
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status=1 |
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status=1 |
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status=1 |
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status=1 |
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status=1 |
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status=1 |
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## END |
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# N-I dash status: 2 |
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# N-I dash stdout-json: "" |
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# N-I mksh status: 1 |
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# N-I mksh stdout-json: "" |
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|
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### typeset -x makes it exported |
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typeset -rx PYTHONPATH=lib/ |
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printenv.py PYTHONPATH |
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## STDOUT: |
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lib/ |
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## END |
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# N-I dash stdout: None |
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|