strglob
is a C development library designed to enumerate characters/numbers/strings by expanding "globbing" pattern syntax- Its purpose is to provide a compact specification for test case input string generation.
strglob
supports a wide variety of syntax types for both character and string generation including:
- ranges 🎲
* alphabetic ranges
[e-i]
=>e f g h i
(lowercase)[A-C]
=>A B C
(uppercase) * numeric ranges[0-4]
=>0 1 2 3 4
(zero inclusive natural numbers)[10-14]
=>10 11 12 13 14
(multiple digits) * negative numeric ranges[-2-2]
=>-2 -1 0 1 2
(real numbers and whole numbers)[-4--2]
=>-4 -3 -2
(real numbers only) * zero-prepended numeric ranges[01-03]
=>01 02 03
(both limits)[01-4]
=>01 02 03 04
(first only)[0-02]
=>0 1 2
(last only) * reverse ranges[c-a]
=>c b a
(alphabetic characters)[3-1]
=>3 2 1
(numeric digits)[-1--3]
=>-1 -2 -3
(negative integers)[2--1]
=>2 0 1 -1
(real numbers) * sequence expression ranges{d..b}
=>d c b
(reverse range of alphabetic characters){a..f..2}
=>a c e
(alphabetic range with increment value){1..3}
=>1 2 3
(numeric range){-2..2}
=>-2 -1 0 1 2
(negative numeric range){0..6..2}
=>0 2 4 6
(numeric range with increment value)
- classes 🎐
* character classes
[:digit:]
=>0 1 2 3 4 5 6 7 8 9 0
[numeric digits]([:reserved:]
=>! # $ & ' ( ) * , / : ; = ? @ [ ]
percent-encoding reserved characters * string classes{:wdays:}
=>sun mon tue wed thu fri sat sun
(lowercase weekdays){:Wdays:}
=>Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
(capital weekdays){:WDAYS:}
=>JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
(uppercase weekdays)
- sets 📍
* string sets
{a,b,c}
=>a b c
(logical and)
- shell features 🎫
* environment expansion
{$LOGNAME}
=>decal
(login name variable) * file includes{/etc/issue.net}
=>Ubuntu 16.04.4 LTS
(identification file for telnet sessions)
Numeric and character ranges are denoted by square brackets
Strings are signified with curly braces
Range limits are delimited by dashes which are also for signing negative integers
String sets are separated by commas
Both character and string class names are surrounded by colons
Character class identifiers are taken from the standard C library's
ctype.h
header file
Bash-style sequence expressions are specified with curly braces and take an optional numeric increment value
- See the
TODO.md
file for planned syntax techniques.. - strglob wiki
- Globbing
- glob (programming)
- String generation
strglob
behaves similar to the lists and ranges implemented by curl on the command line:
-
curl 'https://host.dom/{foo,bar,baz}/'
https://foo
https://bar
https://baz
-
curl 'https://host.dom/[0-2]/'
https://0
https://1
https://2
-
Refer to the URL globbing section in Everything curl for more information.