/Shell/Bash/Bash replace beginning of string

Bash replace beginning of string

Bash replace substring

echo [string] | sed "s/[original]/[target]/g"

Source: stackoverflow.com

Bash script: replace . with :

#To replace the first occurrence of a pattern with a given string,
#use ${parameter/pattern/string}:

#!/bin/bash
firstString="I love Suzi and Marry"
secondString="Sara"
echo "${firstString/Suzi/$secondString}"    

# prints 'I love Sara and Marry'

#To replace all occurrences, use ${parameter//pattern/string}:

message='The secret code is 12345'
echo "${message//[0-9]/X}"           
# prints 'The secret code is XXXXX'


#(This is documented in the Bash Reference Manual, §3.5.3 "Shell Parameter Expansion".)

Source: stackoverflow.com

Bash replace beginning of string

$ cat shortest.sh
#! /bin/bash

filename="bash.string.txt"

echo ${filename#*.}
echo ${filename%.*}

$ ./shortest.sh
After deletion of shortest match from front: string.txt
After deletion of shortest match from back: bash.string

Source: thegeekstuff.com

Similar codes

0 vote135 views1 answer
Command failed: npm install --loglevel error --legacy-peer-deps
Shell/Bash
8 votes131 views3 answers
Venv activate
Shell/Bash
0 vote135 views1 answer
Install kubectl krew
Shell/Bash
2 votes136 views1 answer
Sed replace number of variable length
Shell/Bash
0 vote141 views1 answer
Big sur ERROR: Error installing ffi: ERROR: Failed to build gem native extension.
Shell/Bash
0 vote158 views1 answer
Linux find folder and exec du
Shell/Bash
1 vote140 views1 answer
Tried accessing the FileTransfer plugin but it's not installed.
Shell/Bash
0 vote131 views1 answer
Could not find driver (SQL: select * from information_schema.table
Shell/Bash
1 vote181 views1 answer
How to create a junction between folders
Shell/Bash
0 vote132 views1 answer
Filter npm audit only high
Shell/Bash