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Category:UNIX Shell Implementations: Difference between revisions
Category:UNIX Shell Implementations (view source)
Revision as of 23:04, 21 January 2011
, 13 years ago→Comparison table: Fill in the table for sh, ash, pdksh and bash.
(I chose this spot to insert a comparison table.) |
(→Comparison table: Fill in the table for sh, ash, pdksh and bash.) |
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Line 19:
! Feature
! Bourne ''sh''
▲* ''dash''
! ''bash''
|-
Line 36 ⟶ 32:
* [http://www.mirbsd.org/htman/i386/man1/mksh.htm mksh]
| [http://man.cx/bash bash]
|-
| <tt> `''command''`</tt>
| {{yes}}
| {{yes}}
| {{yes}}
| {{yes}}
|-
| <tt>''func''() { ''list''; }</tt>
| {{yes}}
| {{yes}}
| {{yes}}
| {{yes}}
|-
| <tt>[ -n "$''param''" ]</tt>
| {{yes}}
| {{yes}}
| {{yes}}
| {{yes}}
|-
| <tt>''PARAM''=''value''<br />export ''PARAM''</tt>
| {{yes}}
| {{yes}}
| {{yes}}
| {{yes}}
|-
| <tt>export ''PARAM''=''value''</tt>
| {{no}}
| {{yes}}
| {{yes}}
| {{yes}}
|-
| <tt>local ''param''</tt>
| {{no}}
| {{yes}}
| {{yes}}
| {{yes}}
|-
| <tt>$(''command'')</tt>
| {{no}}
| {{yes}}
| {{yes}}
| {{yes}}
|-
| <tt>$(( ''i = 2 + 3'' ))</tt>
| {{no}}
| {{yes}}
| {{yes}}
| {{yes}}
|-
| <tt>(( ''i = 2 + 3'' ))</tt>
| {{no}}
| {{no}}
| {{yes}}
| {{yes}}
|-
| <tt>[[ -n $''param'' ]]</tt>
| {{no}}
| {{no}}
| {{yes}}
| {{yes}}
|-
| <tt>function ''name'' { ''list''; }</tt>
| {{no}}
| {{no}}
| {{yes}}
| {{yes}}
|-
| <tt>${''array''[''2'']}</tt>
| {{no}}
| {{no}}
| {{yes}}
| {{yes}}
|-
| <tt>set -A ''array 11 22 33''</tt>
| {{no}}
| {{no}}
| {{yes}}
| {{no}}
|-
| <tt>''array''=(''11 22 33'')</tt>
| {{no}}
| {{no}}
| {{optional|mksh}}
| {{yes}}
|-
| <tt>$' \t\n'</tt>
| {{no}}
| {{no}}
| {{optional|mksh}}
| {{yes}}
|}
=== Portability notes ===
| |||