EN
Bash - get n first characters from string
7 points
in this article, we would like to show how to get first N characters from some string in Bash.
Quick solution:
xxxxxxxxxx1
echo "123456" | head -c +3Where:
+3indicates amount of the characters to get.
Output:
xxxxxxxxxx1
123
In this section, you will find a reusable function that gets a text.
xxxxxxxxxx1
2
3
function get_text() # args: text, count4
{5
echo "$1" | head -c "+$2"6
}7
8
9
# Usage example:10
11
count=312
text="123456"13
14
result="$(get_text "$text" "$count")"15
16
echo "$result" # 123