/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 vote260 views1 answer
Webgl server apache
Shell/Bash
0 vote191 views1 answer
Upgrading ionic 5
Shell/Bash
0 vote223 views1 answer
Install gtk python
Shell/Bash
8 votes144 views2 answers
Remove stopped containers
Shell/Bash
0 vote166 views1 answer
Nmap problem binding to interface
Shell/Bash
0 vote177 views1 answer
Powershell get all applications installed
Shell/Bash
1 vote135 views1 answer
Connect emulator to localhost
Shell/Bash
26 votes144 views2 answers
Delete git repository command line
Shell/Bash
118 votes148 views5 answers
Instal .deb ubuntu
Shell/Bash
1 vote146 views2 answers
Stop minecraft server command line
Shell/Bash