/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

-2 votes186 views1 answer
Powershell ping
Shell/Bash
6 votes196 views3 answers
Rm recursive file pattern
Shell/Bash
0 vote181 views1 answer
E package 'curl' has no installation candidate ubuntu 18.04
Shell/Bash
0 vote175 views1 answer
Show public ip ubuntu
Shell/Bash
1 vote188 views1 answer
Typescript diagnostics
Shell/Bash
0 vote247 views1 answer
Linux extract txz
Shell/Bash
1 vote232 views1 answer
How to add license to existing github repo
Shell/Bash
5 votes153 views3 answers
Uninstall wps office ubuntu
Shell/Bash
4 votes209 views2 answers
How to add husky to angular
Shell/Bash
1 vote239 views1 answer
How to install kite in ubuntu
Shell/Bash