Definitions for expr
expr

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1. Expr

   expr is a command line utility on Unix and Unix-like operating systems which evaluates an expression and outputs the corresponding value. It first appeared in Unix v7. The command is available as a separate package for Microsoft Windows as part of the UnxUtils collection of native Win32 ports of common GNU Unix-like utilities. The expr command has also been ported to the IBM i operating system.

WikidataRate this definition:4.0 / 1 vote

1. expr

   expr is a command line Unix utility which evaluates an expression and outputs the corresponding value. It first appeared in Unix v7 as a standalone program, and was later incorporated into the shell as a built-in command. Syntax: expr expr evaluates integer or string expressions, including pattern matching regular expressions. Most of the challenge posed in writing expressions is preventing the invoking command line shell from acting on characters intended for expr to process. The operators available for integers: addition, subtraction, multiplication, division and modulus for strings: find regular expression, find a set of characters in a string; in some versions: find substring, length of string for either: comparison The following is an example involving boolean expressions: This example outputs "1". This is because length "abcdef" is 6, which is not less than 5. But 15 minus 4 is 11 and is greater than 8, so the right side is true, which makes the or true, so 1 is the result. The program exit status is zero for this example. For pure arithmetic, it is often more convenient to use bc. For example:

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1. EXPR

   What does EXPR stand for? -- Explore the various meanings for the EXPR acronym on the Abbreviations.com website.

How to pronounce expr?

1. Alex

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   Daniel

   British

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   Australian

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How to say expr in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of expr in Chaldean Numerology is: 2

2. Pythagorean Numerology

   The numerical value of expr in Pythagorean Numerology is: 9

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References

1. ^ Wikipedia
   https://en.wikipedia.org/wiki/Expr
2. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=expr