String

Functions for string operations and manipulations.

Table of Contents

string::trim()

Strip whitespace from the beginning and end of a string.

Arguments

  • $1 (string): The string to be trimmed.

Exit codes

  • 0: If successful.
  • 2: Function missing arguments.

Output on stdout

  • The trimmed string.

Example

echo "$(string::trim "   Hello World!   ")"
#Output
Hello World!

string::split()

Split a string to array by a delimiter.

Arguments

  • $1 (string): The input string.
  • $2 (string): The delimiter string.

Exit codes

  • 0: If successful.
  • 2: Function missing arguments.

Output on stdout

  • Returns an array of strings created by splitting the string parameter by the delimiter.

Example

array=( $(string::split "a,b,c" ",") )
printf "%s" "$(string::split "Hello!World" "!")"
#Output
Hello
World

string::lstrip()

Strip characters from the beginning of a string.

Arguments

  • $1 (string): The input string.
  • $2 (string): The characters you want to strip.

Exit codes

  • 0: If successful.
  • 2: Function missing arguments.

Output on stdout

  • Returns the modified string.

Example

echo "$(string::lstrip "Hello World!" "He")"
#Output
llo World!

string::rstrip()

Strip characters from the end of a string.

Arguments

  • $1 (string): The input string.
  • $2 (string): The characters you want to strip.

Exit codes

  • 0: If successful.
  • 2: Function missing arguments.

Output on stdout

  • Returns the modified string.

Example

echo "$(string::rstrip "Hello World!" "d!")"
#Output
Hello Worl

string::to_lower()

Make a string lowercase.

Arguments

  • $1 (string): The input string.

Exit codes

  • 0: If successful.
  • 2: Function missing arguments.

Output on stdout

  • Returns the lowercased string.

Example

echo "$(string::to_lower "HellO")"
#Output
hello

string::to_upper()

Make a string all uppercase.

Arguments

  • $1 (string): The input string.

Exit codes

  • 0: If successful.
  • 2: Function missing arguments.

Output on stdout

  • Returns the uppercased string.

Example

echo "$(string::to_upper "HellO")"
#Output
HELLO

string::contains()

Check whether the search string exists within the input string.

Arguments

  • $1 (string): The input string.
  • $2 (string): The search key.

Exit codes

  • 0: If match found.
  • 1: If no match found.
  • 2: Function missing arguments.

Example

string::contains "Hello World!" "lo"

string::starts_with()

Check whether the input string starts with key string.

Arguments

  • $1 (string): The input string.
  • $2 (string): The search key.

Exit codes

  • 0: If match found.
  • 1: If no match found.
  • 2: Function missing arguments.

Example

string::starts_with "Hello World!" "He"

string::ends_with()

Check whether the input string ends with key string.

Arguments

  • $1 (string): The input string.
  • $2 (string): The search key.

Exit codes

  • 0: If match found.
  • 1: If no match found.
  • 2: Function missing arguments.

Example

string::ends_with "Hello World!" "d!"

string::regex()

Check whether the input string matches the given regex.

Arguments

  • $1 (string): The input string.
  • $2 (string): The search key.

Exit codes

  • 0: If match found.
  • 1: If no match found.
  • 2: Function missing arguments.

Example

string::regex "HELLO" "^[A-Z]*$"