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--- bash:slicing_strings [2019/12/12 20:58] – peter
+++ bash:slicing_strings [2021/01/11 11:45] (current) – removed peter
@@ Line 1: / Line 1: @@
-====== BASH - Slicing Strings ======
-To cut portions of a string:
-<code bash>
-#!/bin/bash
-Str="My name is Peter"
-subStr=${Str:0:6}
-echo $subStr
-</code>
-This script should print out “My nam” as its output.
-<WRAP info>
-The parameter expansion takes the form ${VAR_NAME:S:L}.
-Here, S denotes starting position and L indicates the length.
-</WRAP>
-----
-===== Extracting Substrings Using Cut =====
-The Linux cut command can be used from inside your scripts to ‘cut’ a portion of a string, aka the substring.
-<code bash>
-#!/bin/bash
-Str="My name is Peter"
-#subStr=${Str:0:6}
-subStr=$(echo $Str| cut -d ' ' -f 1-3)
-echo $subStr
-</code>