Editing Comparison of command shells (section)

==String processing and filename matching==
{{sort-under}}
{| class="wikitable sortable sort-under" style="width: auto; text-align: center; font-size: smaller;"
|-

!Shell
!String processing
![[Alternation (string expansion)|Alternation]] ([[Brace expansion]])
!Pattern matching ([[regular expression]]s built-in)
!Pattern matching (filename [[glob (programming)|globbing]])
!Globbing qualifiers (filename generation based on file attributes)
![[Recursive globbing]] (generating files from any level of subdirectories)

|-

![[Bourne shell]] 1977 version
|?
|{{no}}
|{{no}}
|{{yes}}<br>{{small|({{mono|*}}, {{mono|?}}, {{mono|[...]}})}}
|{{no}}
|{{no}}

|-

![[Bourne shell]] recent version
|{{partial}} (prefix and suffix stripping in variable expansion)
|{{no}}
|{{no}}
|{{yes}}<br>{{small|({{mono|*}}, {{mono|?}}, {{mono|[...]}})}}
|{{no}}
|{{no}}

|-
![[POSIX]] shell
|{{partial}} (prefix and suffix stripping in variable expansion)
|{{no}}
|{{no}}
|{{yes}}<br>{{small|({{mono|*}}, {{mono|?}}, {{mono|[...]}})}}
|{{no}}
|{{no}}

|-

![[Bash (Unix shell)|bash]] (v4.0)
|{{partial}} (prefix and suffix stripping in variable expansion)
|{{yes}}
|{{yes}}
|{{yes}}<br>{{small|({{mono|*}}, {{mono|?}}, {{mono|[...]}}, {{mono|{...}}})}}
|{{no}}
|{{yes}} ({{mono|**/...}})

|-

![[C shell|csh]]
|{{yes}}<br>{{small|(:s and other editing operators)}}
|{{yes}}
|{{no}}
|{{yes}}
|{{no}}
|{{no}}

|-

![[tcsh]]
|{{yes}}<br>{{small|(:s and other editing operators)}}
|{{yes}}
|{{yes}}
|{{yes}}
|{{no}}
|{{no}}

|-

![[Hamilton C shell]]
|{{yes}}<br>{{small|(:s and other editing operators + substr, strlen, strindex, printf, reverse, upper, lower, concat and other builtin functions)}}
|{{yes}}
|{{no}}
|{{yes}}
|{{no}}
|{{yes}}<br>{{small|(via indefinite directory {{mono|"..."}} wildcard<ref>{{Citation
|url=https://hamiltonlabs.com/UserGuide/31-Wildcarding.htm
|title=Hamilton C shell Language reference: Wildcarding and pattern matching
|access-date=2013-10-29
|publisher=Hamilton Laboratories
|quote={{mono|...}} Indefinite Directory: match any number of directory levels – zero or more – whatever it takes to make the rest of the pattern match.}}</ref>)}}

|-

![[Scsh]]
|?
|?
|{{yes}}
|{{yes}}
|{{no}}
|{{no}}

|-

![[Korn Shell|ksh]] (ksh93t+)
|{{partial}} (prefix, suffix stripping and string replacement in variable expansion)
|{{yes}}<ref name="Apress">{{cite book
|author-last1=Seebach
|author-first1=Peter
|title=Beginning Portable Shell Scripting: From Novice to Professional
|url=https://books.google.com/books?id=53zaxy423xcC
|series=Expert's voice in open source
|date=21 November 2008
|publisher=Apress
|publication-date=2008
|page=149
|isbn=9781430210436
|access-date=2014-09-17
|quote=Brace expansion is available in ksh93, pdksh, bash, and zsh.}}</ref>
|{{yes}}
|{{yes}}<br>{{small|({{mono|*}}, {{mono|?}}, {{mono|[...]}})}}
|{{no}}
|{{yes}} (with {{mono|set -G}}, no following of symlinks)

|-

![[pdksh]]
|?
|{{yes}}<ref name="Apress"/>
|{{no}}
|{{yes}}
|{{no}}
|{{no}}

|-

![[zsh]]
|{{yes}} (through variable processing: e.g. substring extraction, various transformations via parameter expansion)
|{{yes}}
|{{yes}}
|{{yes}}<br>{{small|({{mono|*}}, {{mono|?}}, {{mono|[...]}}, [[extended globbing]]<ref name="extended globbing">Zsh offers a variety of [https://zsh.sourceforge.io/Guide/zshguide05.html#l135 globbing options].</ref>)}}
|{{yes}}
|{{yes}} ({{mono|**/...}} or {{mono|***/...}} to follow symlinks)

|-

![[Almquist shell|ash]]
|?
|?
|{{no}}
|{{yes}}
|{{no}}
|{{no}}

|-

![[CCP (CP/M)|CCP]]
|{{no}}
|{{no}}
|{{no}}
|{{no}}
|{{no}}
|{{no}}

|-

![[COMMAND.COM]]
|{{no}}
|{{no}}
|{{no}}
|{{yes}}<br>{{small|({{mono|*}}, {{mono|?}})}}
|{{no}}
|{{no}}

|-

!OS/2 [[CMD.EXE]]
|{{no}}
|{{no}}
|{{no}}
|{{yes}}<br>{{small|({{mono|*}}, {{mono|?}})}}
|{{partial}} (only in {{mono|DIR /A:...}} command)
|{{no}}

|-

!Windows [[CMD.EXE]]
|{{partial}} (only through {{mono|FOR /F}} and {{mono|SET /A}})
|{{no}}
|{{no|No<ref group="nb">Not available as a shell built-in. External {{mono|FINDSTR /R}} command is available in most Windows releases.</ref>}}
|{{yes}}<br>{{small|({{mono|*}}, {{mono|?}})}}
|{{partial}} (only in {{mono|DIR /A:...}} command)
|{{yes}} (via {{mono|FOR /R}} command, or, where available, indirectly via {{mono|/S}} subdir option)

|-

![[4DOS]]
|{{yes}} (through variable functions {{mono|%@...[]}}, extended environment variable processing, various string commands and {{mono|FOR /F}} and {{mono|SET /A}})
|{{no}}
|{{no}}
|{{yes}}<br>{{small|({{mono|*}}, {{mono|?}}, {{mono|[...]}}, [[extended wildcards]], {{mono|SELECT}} popup command)}}
|{{yes}} (via {{mono|/A:...}} attribute and {{mono|/I"..."}} description options and {{mono|/[S...]}} size, {{mono|/[T...]}} time, {{mono|/[D...]}} date, and {{mono|/[!...]}} file exclusion ranges)
|{{yes}} (via {{mono|FOR /R}} command, or indirectly via {{mono|GLOBAL}} command or, where available, {{mono|/S}} subdir option)

|-

![[4OS2]]
|?
|{{no}}
|{{no}}
|?
|?
|?

|-

![[Take Command Console|TCC]] (formerly 4NT)
|{{yes}} (through variable functions {{mono|%@...[]}}, extended environment variable processing, various string commands and {{mono|FOR /F}} and {{mono|SET /A}})
|{{no}}
|{{yes}}
|{{yes}}<br>{{small|({{mono|*}}, {{mono|?}}, {{mono|[...]}}, [[extended wildcards]], {{mono|SELECT}} popup command)}}
|{{yes}} (via {{mono|/A:...}} attribute and {{mono|/I"..."}} description options and {{mono|/[S...]}} size, {{mono|/[T...]}} time, {{mono|/[D...]}} date, {{mono|/[O...]}} owner, and {{mono|/[!...]}} file exclusion ranges)
|{{yes}} (via {{mono|FOR /R}} command, or indirectly via {{mono|GLOBAL}} command or, where available, {{mono|/S}} subdir option)

|-

![[Windows PowerShell|PowerShell]]
|{{yes}}<br>{{small|(Concat/Substring/Insert/Remove/Replace, ToLower/ToUpper, Trim/TrimStart/TrimEnd, Compare, Contains/StartsWith/EndWith, Format, IndexOf/LastIndexOf, Pad/PadLeft/PadRight, Split/Join, regular expression functions and other .NET string functions)}}
|{{partial|Range operator for numbers<ref>{{Cite web
| title = about Operators - PowerShell
| author = sdwheeler
| work = docs.microsoft.com
| date = 
| access-date = 18 January 2022
| url = https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_operators
| quote = 
}}</ref>}}
|{{yes}}<br>{{small|(full regex support)<ref group="nb">PowerShell leverages the full [[.NET Framework|.NET]] regular expression engine which features named captures, zero-width lookahead/-behind, greedy/non-greedy, character classes, level counting etc.</ref>}}
|{{yes}}<br>{{small|({{mono|*}}, {{mono|?}}, {{mono|[...]}})}}
|?
|?

|-

![[Rc (Unix shell)|rc]]
|?
|?
|{{no}}
|{{yes}}
|{{no}}
|{{no}}

|-

![[BeanShell]]
|?
|?
|{{yes}}
|?
|?
|?

|-

![[DIGITAL Command Language|VMS DCL]]
|{{yes}}
|{{no}}
|{{no}}
|{{yes}}
|{{no}}
|{{yes}} (via {{mono|[SUBDIR...]}})

|-

![[friendly interactive shell|fish]]
|{{yes}}<br>{{small|(builtin string function)}}
|{{yes|Yes}}
|{{yes}}<br>{{small|(via builtin {{mono|string match}} and {{mono|string replace}} functions)}}
|{{yes}}<br>{{small|({{mono|*}}, {{mono|?}}, {{mono|{...}}})}}
|{{no}}
|{{yes}} ({{mono|**/...}})
|}