From 27577da287d57be67f3dc9be5e7d88430618893c Mon Sep 17 00:00:00 2001 From: Philip Wittamore Date: Sun, 18 May 2025 09:56:29 +0200 Subject: update --- STRINGS.html | 27 --------------------------- 1 file changed, 27 deletions(-) delete mode 100644 STRINGS.html (limited to 'STRINGS.html') diff --git a/STRINGS.html b/STRINGS.html deleted file mode 100644 index 687456f..0000000 --- a/STRINGS.html +++ /dev/null @@ -1,27 +0,0 @@ -

Bash string manipulation cheatsheet

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https://gist.github.com/magnetikonline/90d6fe30fc247ef110a1

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| Assignment | | -| :--- | :--- | -| Assign value to variable if variable is not already set, value is returned. Combine with a : no-op to discard/ignore return value. | ${variable="value"} : ${variable="value"} | -| Removal | | -| Delete shortest match of needle from front of haystack. | ${haystack#needle} | -| Delete longest match of needle from front of haystack. | ${haystack##needle} | -| Delete shortest match of needle from back of haystack. | ${haystack%needle} | -| Delete longest match of needle from back of haystack. | ${haystack%%needle} | -| Replacement | | -| Replace first match of needle with replacement from haystack. | ${haystack/needle/replacement} | -| Replace all matches of needle with replacement from haystack. | ${haystack//needle/replacement} | -| If needle matches front of haystack replace with replacement. | ${haystack/#needle/replacement} | -| If needle matches back of haystack replace with replacement. | ${haystack/%needle/replacement} | -| Substitution | | -| If variable not set, return value, else variable. | ${variable-value} | -| If variable not set or empty, return value, else variable. | ${variable:-value} | -| If variable set, return value, else null string. | ${variable+value} | -| If variable set and not empty, return value, else null string. | ${variable:+value} | -| Extraction | | -| Extract length characters from variable starting at position. | ${variable:position:length} | -| Return string length of variable. | ${#variable} | -| Escaping | | -| Single quotes inside a single quoted string. | echo 'Don'\''t break my escape!' | -| Indirection | | -| Return value of variable name held in indirect, else value. | indirect="apple" apple="fruit" ${!indirect-value} |

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