/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

1 vote357 views1 answer
Curl default connect-timeout
Shell/Bash
-1 vote377 views1 answer
A2ensite example.
Shell/Bash
0 vote358 views1 answer
How to kali pentest guide line command how to hack with kali humm my friendsss is all back in google make a signe
Shell/Bash
0 vote348 views1 answer
Read-only filesystem disk kubuntu
Shell/Bash
0 vote357 views1 answer
Bash add pause prompt in a shell script with bash pause command
Shell/Bash
1 vote353 views1 answer
Jq unencode string
Shell/Bash
13 votes342 views4 answers
Composer install debian
Shell/Bash
0 vote355 views1 answer
Update database syntaxn using nuget package
Shell/Bash
0 vote318 views1 answer
Macbook disable input from built in keyboard
Shell/Bash
1 vote433 views1 answer
What is vi in linux
Shell/Bash