Category:UNIX Shell Implementations: Difference between revisions

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Revision as of 22:04, 21 January 2011 (view source) rosettacode>Kernigh (I chose this spot to insert a comparison table.) ← Older edit		Latest revision as of 20:18, 24 October 2015 (view source) rosettacode>Score Under m (→‎Comparison table: Use nowiki tags for a literal [[)
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Line 16: === Comparison table === {\| class="wikitable ~~sortable~~" ! Feature ! Bourne ''sh'' ! ''ash, dash'' ! ! ''~~ash~~pdksh, mksh'' ''dash'' ! * ''pdksh'' * ''mksh'' ! ''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 "$''param''" ]</tt> \| {{yes}} \| {{yes}} \| {{yes}} \| {{yes}} \|- \| <tt>''PARAM''=''value''<br />export ''PARAM''</tt> \| {{yes}} \| {{yes}} \| {{yes}} \| {{yes}} \|- \| <tt>export ''PARAM''=''value''</tt> \| {{no}} \| {{yes}} \| {{yes}} \| {{yes}} \|- \| <tt>local ''param''</tt> \| {{no}} \| {{yes}} \| {{yes}} \| {{yes}} \|- \| <tt>${''param''##/}<br />${''param''%/}</tt> \| {{no}} \| {{yes}} \| {{yes}} \| {{yes}} \|- \| <tt>ls ~</tt> \| {{no}} \| {{yes}} \| {{yes}} \| {{yes}} \|- \| <tt>$(''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><nowiki>[[</nowiki> -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}} \|} ~~Adding more rows to the table...~~ === Portability notes === Line 80 ⟶ 176: ==Comparison of various shells== [http://~~athena~~www.~~vvsu~~math.ruiitb.ac.in/resources/~~docs~~manuals/~~unix~~Unix_Unleashed/~~unix_adm~~Vol_1/ch13.htm An excerpt] from "UNIX Unleashed, System Administrator's Edition", has a decent discussion of how to choose a shell. The article focuses on three areas: command line usage, shell scripting for personal use and shell scripting for others to use.