/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 vote241 views1 answer
Include buymeacoffewe butto in github README
Shell/Bash
15 votes211 views3 answers
Nginx restart ubuntu
Shell/Bash
0 vote234 views1 answer
Npm audit undu
Shell/Bash
0 vote230 views1 answer
How to exit root user in linux
Shell/Bash
4 votes265 views2 answers
Mklink powershell
Shell/Bash
0 vote237 views1 answer
The current branch has no upstream branch error
Shell/Bash
2 votes237 views2 answers
Linux arduino permission denied
Shell/Bash
15 votes226 views5 answers
Apt-get uninstall
Shell/Bash
7 votes276 views5 answers
How to install git on linux
Shell/Bash
0 vote228 views1 answer
How to set default editor for git bash
Shell/Bash