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#!/usr/bin/env bash |
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|
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#### zero args: [ ] |
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[ ] || echo false |
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## stdout: false |
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|
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#### one arg: [ x ] where x is one of '=' '!' '(' ']' |
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[ = ] |
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echo status=$? |
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[ ] ] |
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echo status=$? |
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[ '!' ] |
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echo status=$? |
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[ '(' ] |
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echo status=$? |
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## STDOUT: |
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status=0 |
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status=0 |
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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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#### one arg: empty string is false. Equivalent to -n. |
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test 'a' && echo true |
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test '' || echo false |
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## STDOUT: |
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true |
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false |
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## END |
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|
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#### -a as unary operator (alias of -e) |
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# NOT IMPLEMENTED FOR OSH, but could be later. See comment in core/id_kind.py. |
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[ -a / ] |
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echo status=$? |
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[ -a /nonexistent ] |
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echo status=$? |
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## STDOUT: |
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status=0 |
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status=1 |
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## END |
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## N-I dash STDOUT: |
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status=2 |
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status=2 |
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## END |
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|
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#### two args: -z with = ! ( ] |
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[ -z = ] |
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echo status=$? |
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[ -z ] ] |
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echo status=$? |
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[ -z '!' ] |
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echo status=$? |
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[ -z '(' ] |
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echo status=$? |
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## 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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## END |
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|
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#### three args |
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[ foo = '' ] |
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echo status=$? |
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[ foo -a '' ] |
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echo status=$? |
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[ foo -o '' ] |
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echo status=$? |
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[ ! -z foo ] |
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echo status=$? |
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[ \( foo \) ] |
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echo status=$? |
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## STDOUT: |
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status=1 |
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status=1 |
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status=0 |
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status=0 |
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status=0 |
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## END |
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|
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#### four args |
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[ ! foo = foo ] |
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echo status=$? |
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[ \( -z foo \) ] |
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echo status=$? |
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## STDOUT: |
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status=1 |
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status=1 |
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## END |
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|
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#### test with extra args is syntax error |
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test -n x ] |
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echo status=$? |
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test -n x y |
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echo status=$? |
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## STDOUT: |
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status=2 |
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status=2 |
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## END |
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|
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#### ] syntax errors |
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[ |
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echo status=$? |
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test # not a syntax error |
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echo status=$? |
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[ -n x # missing ] |
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echo status=$? |
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[ -n x ] y # extra arg after ] |
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echo status=$? |
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[ -n x y # extra arg |
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echo status=$? |
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## STDOUT: |
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status=2 |
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status=1 |
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status=2 |
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status=2 |
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status=2 |
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## END |
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|
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#### -n |
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test -n 'a' && echo true |
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test -n '' || echo false |
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## STDOUT: |
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true |
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false |
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## END |
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|
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#### ! -a |
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[ -z '' -a ! -z x ] |
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echo status=$? |
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## stdout: status=0 |
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|
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#### -o |
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[ -z x -o ! -z x ] |
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echo status=$? |
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## stdout: status=0 |
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|
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#### ( ) |
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[ -z '' -a '(' ! -z x ')' ] |
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echo status=$? |
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## stdout: status=0 |
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|
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#### ( ) ! -a -o with system version of [ |
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command [ --version |
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command [ -z '' -a '(' ! -z x ')' ] && echo true |
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## stdout: true |
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|
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#### == is alias for = |
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[ a = a ] && echo true |
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[ a == a ] && echo true |
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## STDOUT: |
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true |
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true |
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## END |
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## BUG dash STDOUT: |
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true |
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## END |
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## BUG dash status: 2 |
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|
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#### == and = does not do glob |
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[ abc = 'a*' ] |
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echo status=$? |
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[ abc == 'a*' ] |
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echo status=$? |
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## STDOUT: |
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status=1 |
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status=1 |
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## END |
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## N-I dash STDOUT: |
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status=1 |
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status=2 |
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## END |
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|
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#### [ with op variable |
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# OK -- parsed AFTER evaluation of vars |
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op='=' |
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[ a $op a ] && echo true |
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[ a $op b ] || echo false |
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## status: 0 |
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## STDOUT: |
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true |
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false |
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## END |
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|
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#### [ with unquoted empty var |
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empty='' |
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[ $empty = '' ] && echo true |
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## status: 2 |
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|
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#### [ compare with literal -f |
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# Hm this is the same |
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var=-f |
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[ $var = -f ] && echo true |
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[ '-f' = $var ] && echo true |
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## STDOUT: |
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true |
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true |
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## END |
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|
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#### [ '(' foo ] is runtime syntax error |
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[ '(' foo ] |
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echo status=$? |
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## stdout: status=2 |
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|
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#### -z '>' implies two token lookahead |
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[ -z ] && echo true # -z is operand |
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[ -z '>' ] || echo false # -z is operator |
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[ -z '>' -- ] && echo true # -z is operand |
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## STDOUT: |
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true |
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false |
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true |
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## END |
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|
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#### operator/operand ambiguity with ] |
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# bash parses this as '-z' AND ']', which is true. It's a syntax error in |
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# dash/mksh. |
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[ -z -a ] ] |
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echo status=$? |
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## stdout: status=0 |
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## OK mksh stdout: status=2 |
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## OK dash stdout: status=2 |
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|
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#### operator/operand ambiguity with -a |
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# bash parses it as '-z' AND '-a'. It's a syntax error in mksh but somehow a |
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# runtime error in dash. |
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[ -z -a -a ] |
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echo status=$? |
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## stdout: status=0 |
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## OK mksh stdout: status=2 |
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## OK dash stdout: status=1 |
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|
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#### -d |
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test -d $TMP |
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echo status=$? |
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test -d $TMP/__nonexistent_Z_Z__ |
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echo status=$? |
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## STDOUT: |
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status=0 |
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status=1 |
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## END |
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|
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#### -x |
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rm -f $TMP/x |
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echo 'echo hi' > $TMP/x |
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test -x $TMP/x || echo 'no' |
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chmod +x $TMP/x |
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test -x $TMP/x && echo 'yes' |
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test -x $TMP/__nonexistent__ || echo 'bad' |
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## STDOUT: |
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no |
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yes |
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bad |
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## END |
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|
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#### -r |
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echo '1' > $TMP/testr_yes |
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echo '2' > $TMP/testr_no |
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chmod -r $TMP/testr_no # remove read permission |
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test -r $TMP/testr_yes && echo 'yes' |
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test -r $TMP/testr_no || echo 'no' |
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## STDOUT: |
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yes |
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no |
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## END |
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|
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#### -w |
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rm -f $TMP/testw_* |
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echo '1' > $TMP/testw_yes |
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echo '2' > $TMP/testw_no |
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chmod -w $TMP/testw_no # remove write permission |
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test -w $TMP/testw_yes && echo 'yes' |
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test -w $TMP/testw_no || echo 'no' |
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## STDOUT: |
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yes |
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no |
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## END |
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|
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#### -h and -L test for symlink |
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tmp=$TMP/builtin-test-1 |
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mkdir -p $tmp |
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touch $tmp/zz |
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ln -s -f $tmp/zz $tmp/symlink |
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ln -s -f $tmp/__nonexistent_ZZ__ $tmp/dangling |
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test -L $tmp/zz || echo no |
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test -h $tmp/zz || echo no |
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test -f $tmp/symlink && echo is-file |
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test -L $tmp/symlink && echo symlink |
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test -h $tmp/symlink && echo symlink |
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test -L $tmp/dangling && echo dangling |
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test -h $tmp/dangling && echo dangling |
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test -f $tmp/dangling || echo 'dangling is not file' |
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## STDOUT: |
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no |
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no |
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is-file |
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symlink |
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symlink |
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dangling |
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dangling |
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dangling is not file |
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## END |
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|
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#### -t 1 for stdout |
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# There is no way to get a terminal in the test environment? |
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[ -t 1 ] |
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echo status=$? |
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## stdout: status=1 |
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|
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#### [ -t invalid ] |
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[ -t invalid ] |
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echo status=$? |
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## stdout: status=2 |
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## BUG bash stdout: status=1 |
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|
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#### -ot and -nt |
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touch -d 2017/12/31 $TMP/x |
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touch -d 2018/01/01 > $TMP/y |
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test $TMP/x -ot $TMP/y && echo 'older' |
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test $TMP/x -nt $TMP/y || echo 'not newer' |
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test $TMP/x -ot $TMP/x || echo 'not older than itself' |
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test $TMP/x -nt $TMP/x || echo 'not newer than itself' |
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## STDOUT: |
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older |
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not newer |
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not older than itself |
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not newer than itself |
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## END |
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|
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#### [ a -eq b ] |
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[ a -eq a ] |
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echo status=$? |
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## STDOUT: |
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status=2 |
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## END |
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## BUG mksh STDOUT: |
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status=0 |
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## END |
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|
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#### test -s |
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test -s __nonexistent |
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echo status=$? |
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touch $TMP/empty |
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test -s $TMP/empty |
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echo status=$? |
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echo nonempty > $TMP/nonempty |
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test -s $TMP/nonempty |
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echo status=$? |
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## STDOUT: |
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status=1 |
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status=1 |
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status=0 |
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## END |
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|
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#### test -b -c -S (block, character, socket) |
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# NOTE: we do not have the "true" case |
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|
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echo -b |
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test -b nonexistent |
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echo status=$? |
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test -b testdata |
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echo status=$? |
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|
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echo -c |
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test -c nonexistent |
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echo status=$? |
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test -c testdata |
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echo status=$? |
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|
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echo -S |
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test -S nonexistent |
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echo status=$? |
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test -S testdata |
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echo status=$? |
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|
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## STDOUT: |
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-b |
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status=1 |
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status=1 |
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-c |
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status=1 |
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status=1 |
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-S |
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status=1 |
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status=1 |
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## END |
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|
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|
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#### test -p named pipe |
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mkfifo $TMP/fifo |
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test -p $TMP/fifo |
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echo status=$? |
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|
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test -p testdata |
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echo status=$? |
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|
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## STDOUT: |
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status=0 |
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status=1 |
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## END |
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|
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#### -G and -O for effective user ID and group ID |
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|
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test -O bin |
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echo status=$? |
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test -O __nonexistent__ |
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echo status=$? |
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|
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test -G bin |
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echo status=$? |
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test -G __nonexistent__ |
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echo status=$? |
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|
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## STDOUT: |
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status=0 |
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status=1 |
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status=0 |
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status=1 |
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## END |
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|
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#### test -o for options |
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# note: it's lame that the 'false' case is confused with the 'typo' case. |
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# but checking for error code 2 is unlikely anyway. |
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test -o nounset |
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echo status=$? |
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|
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set -o nounset |
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echo status=$? |
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|
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test -o _bad_name_ |
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echo status=$? |
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## STDOUT: |
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status=1 |
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status=0 |
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status=1 |
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## END |
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## N-I dash STDOUT: |
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status=2 |
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status=0 |
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status=2 |
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## END |
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|
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#### -nt -ot |
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[ present -nt absent ] || exit 1 |
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[ absent -ot present ] || exit 2 |
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## status: 1 |
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|
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#### -ef |
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left=$TMP/left |
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right=$TMP/right |
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touch $left $right |
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|
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ln -f $TMP/left $TMP/hardlink |
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|
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test $left -ef $left && echo same |
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test $left -ef $TMP/hardlink && echo same |
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test $left -ef $right || echo different |
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|
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test $TMP/__nonexistent -ef $right || echo different |
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|
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## STDOUT: |
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same |
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same |
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different |
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different |
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## END |
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|
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#### Overflow error |
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test -t 12345678910 |
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echo status=$? |
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## STDOUT: |
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status=2 |
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## END |
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## OK dash/bash STDOUT: |
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status=1 |
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## END |