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[Makefile] Get Prefix or Suffix from String

 2 years ago
source link: http://siongui.github.io/2016/12/29/makefile-get-prefix-or-suffix-from-string/
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[Makefile] Get Prefix or Suffix from String

December 29, 2016

Source code:

Makefile | repository | view raw 

STR=1.0.4-1ubuntu0.16.10.1
PREFIX=$(shell echo $(STR) | head -c 5)
SUFFIX=$(shell echo $(STR) | tail -c 10)

default:
	@echo "string: \033[92m$(STR)\033[0m"
	@echo "prefix: \033[92m$(PREFIX)\033[0m"
	@echo "suffix: \033[92m$(SUFFIX)\033[0m"

shell command head/tail are used to get prefix/suffix from string.

Output:

string: 1.0.4-1ubuntu0.16.10.1
prefix: 1.0.4
suffix: 0.16.10.1

Tested on Ubuntu Linux 16.10, GNU make 4.1-9.

References:

[1][Makefile] Check Installed Package Version on Ubuntu Linux

Author: Siong-Ui Te ∈ Category: Bash

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