Skip to main content
ubuntuask.com

Back to all posts

How to Replace * to #* With Bash?

Published on
4 min read
How to Replace * to #* With Bash? image

Best Bash Scripting Tools to Buy in November 2025

1 Wilton B.A.S.H Mechanics Hammer Kit (11111)

Wilton B.A.S.H Mechanics Hammer Kit (11111)

  • DURABLE, DROP-FORGED HEADS WITHSTAND DEMANDING APPLICATIONS EFFORTLESSLY.
  • UNBREAKABLE, STEEL CORE HANDLE ENSURES DURABILITY DURING HEAVY USE.
  • ERGONOMIC, RUBBER GRIP REDUCES VIBRATION FOR ULTIMATE USER COMFORT.
BUY & SAVE
$106.14
Wilton B.A.S.H Mechanics Hammer Kit (11111)
2 Wilton B.A.S.H Master Hammer Kit (11109)

Wilton B.A.S.H Master Hammer Kit (11109)

  • SIX VERSATILE B.A.S.H HAMMERS FOR ALL YOUR STRIKING NEEDS!

  • UNBREAKABLE HANDLE TECHNOLOGY ENSURES DURABILITY AND RELIABILITY.

  • ERGONOMIC DESIGN REDUCES FATIGUE AND IMPROVES COMFORT WITH EACH SWING.

BUY & SAVE
$220.40
Wilton B.A.S.H Master Hammer Kit (11109)
3 Wilton B.A.S.H Shop Hammer Kit (11112)

Wilton B.A.S.H Shop Hammer Kit (11112)

  • UNBREAKABLE STEEL CORE PREVENTS BREAKAGE DURING HEAVY USE.
  • ERGONOMIC GRIP REDUCES VIBRATION AND IMPROVES COMFORT.
  • SAFETY PLATE SECURES HEAD, ENSURING RELIABILITY AND PEACE OF MIND.
BUY & SAVE
$147.61 $154.99
Save 5%
Wilton B.A.S.H Shop Hammer Kit (11112)
4 Wilton B.A.S.H 12" Soft Face Sledge Hammer, 4 Lb Head (40412)

Wilton B.A.S.H 12" Soft Face Sledge Hammer, 4 Lb Head (40412)

  • DROP-FORGED HEAD DESIGNED TO MUSHROOM FOR DURABILITY IN TOUGH JOBS.
  • ANTI-VIBE NECK REDUCES FATIGUE, ENHANCING COMFORT DURING USE.
  • SECURE GRIP AND UNBREAKABLE HANDLE ENSURE SAFETY AND RELIABILITY.
BUY & SAVE
$64.99
Wilton B.A.S.H 12" Soft Face Sledge Hammer, 4 Lb Head (40412)
5 Wilton Special Edition B.A.S.H 6-1/2" Utility Vise and 4 lb. Sledge Hammer (11128BH)

Wilton Special Edition B.A.S.H 6-1/2" Utility Vise and 4 lb. Sledge Hammer (11128BH)

  • UNBREAKABLE STEEL CORE HANDLES TOUGH OVERSTRIKES WITH EASE.
  • PATENTED HIGH-VISIBILITY HEAD WITHSTANDS THE TOUGHEST JOBS.
  • ERGONOMIC GRIP MINIMIZES VIBRATION FOR ULTIMATE COMFORT.
BUY & SAVE
$207.99
Wilton Special Edition B.A.S.H 6-1/2" Utility Vise and 4 lb. Sledge Hammer (11128BH)
6 Wilton B.A.S.H Dead Blow Hammer Kit (11113)

Wilton B.A.S.H Dead Blow Hammer Kit (11113)

  • DEAD BLOW FUNCTION MINIMIZES BOUNCE FOR PRECISE STRIKING.
  • ERGONOMIC, THICKENED HANDLE ENHANCES COMFORT AND REDUCES VIBRATION.
  • SPARK-RESISTANT DESIGN ENSURES SAFETY NEAR FLAMMABLE MATERIALS.
BUY & SAVE
$129.99
Wilton B.A.S.H Dead Blow Hammer Kit (11113)
7 Jet Tools - SE BASH ATV 5" Incl 20212 and Green 10300 (10025BH)

Jet Tools - SE BASH ATV 5" Incl 20212 and Green 10300 (10025BH)

  • UNMATCHED SERVICE AT EVERY BUSINESS RELATIONSHIP STEP.
  • U.S. BASED TECHNICAL SUPPORT FOR ALL BRANDS.
  • OVER 40,000 REPLACEMENT PARTS IN STOCK.
BUY & SAVE
$193.36
Jet Tools - SE BASH ATV 5" Incl 20212 and Green 10300 (10025BH)
+
ONE MORE?

To replace * with #* in Bash, you can use the following command:

echo "original string" | sed 's/\*/#*/g'

This command uses the sed command to search for instances of * and replace them with #* in a given string. The s command in sed stands for substitute, and the g at the end of the command tells sed to make the substitution globally (i.e., for all instances of * in the string).

How to ensure consistency across different platforms when replacing * with #* using bash?

To ensure consistency across different platforms when replacing * with #* using bash, you can use the following steps:

  1. Use the sed command in your bash script to replace * with #* in a file or string. The sed command syntax is as follows:

sed -i 's/\*/#*/g' filename

This command will replace all occurrences of * with #* in the specified file.

  1. Use the escape character \ before the * to ensure that it is treated as a literal character and not as a wildcard character by the shell. This will help prevent any unexpected behavior or errors when running the command on different platforms.
  2. Test your bash script on different platforms to ensure that it works consistently and as expected. Make sure to check for any errors or inconsistencies that may arise due to differences in the operating systems or shell environments.

By following these steps, you can ensure consistency when replacing * with #* using bash across different platforms.

What is the best practice for documenting the process of replacing * with #* in bash?

The best practice for documenting the process of replacing * with #* in bash would be to provide a clear explanation of the purpose of the replacement, the steps involved in the process, and any relevant code examples.

Here is an example of how you could document this process in a bash script:

# Description: Replaces * with #* in a given string

Author: [Your Name]

Date: [Date]

Input: The original string containing *

original_string="Hello, World! This is a * test."

Step 1: Use sed to replace * with #*

updated_string=$(echo "$original_string" | sed 's/*/#*/g')

Step 2: Output the updated string

echo "Original string: $original_string" echo "Updated string: $updated_string"

You can add comments to explain each step in the process and provide context for why the replacement is being performed. You can also include author information and the date of the script creation for reference. This documentation will help others understand the purpose and functionality of the script.

What tools can assist with replacing * with #* in bash?

There are several tools that can assist with this task in bash, including:

  1. sed - The sed command is commonly used for string manipulation in bash scripts. You can use the following command to replace * with #* in a text file: sed -i 's/*/#*/g' file.txt
  2. awk - The awk command can also be used for text manipulation in bash. You can use the following command to replace * with #* in a text file: awk '{ gsub(/\*/, "#*"); print }' file.txt > newfile.txt
  3. tr - The tr command can be used to translate or delete characters in a text stream. You can use the following command to replace * with #* in a text file: tr '*' '#*' < file.txt > newfile.txt
  4. Perl - Perl is a powerful scripting language that can be used for text manipulation tasks. You can use the following command to replace * with #* in a text file: perl -p -i -e 's/\*/#*/g' file.txt

These tools provide different ways to accomplish the task of replacing * with #* in a text file using bash. Choose the one that best fits your needs and preferences.