/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 vote276 views1 answer
Use linux not Windows
Shell/Bash
3 votes271 views1 answer
Publish pypi
Shell/Bash
0 vote275 views1 answer
How to use tags in ansible
Shell/Bash
0 vote257 views1 answer
Gcloud set zone cli
Shell/Bash
63 votes292 views2 answers
How to remove remote origin from git repo
Shell/Bash
0 vote310 views1 answer
Ll command not found
Shell/Bash
0 vote292 views1 answer
Install dbeaver using snap
Shell/Bash
0 vote344 views1 answer
Npm-gui
Shell/Bash
4 votes296 views1 answer
Could not find a production build next
Shell/Bash
0 vote278 views1 answer
Ssh delete folders older than one year
Shell/Bash