bash menggantikan substring
echo [string] | sed "s/[original]/[target]/g"
Curious Cobra
echo [string] | sed "s/[original]/[target]/g"#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".)string="abc"
final=${string//[a]/b}
echo $finalstring="stirng" ; echo "${string//ir/ri}"#!/bin/bash
firstString="I love Suzi and Marry"
secondString="Sara"
echo "${firstString/Suzi/$secondString}"
# prints 'I love Sara and Marry'
#1) Open the file in vi or vim
#2) Run the replacement command in vi (or vim) as follows
# Replace all matching patterns
:s%/PatternToReplace/Replacement
# Replace one matching pattern at a time
:s/PatternToReplace/Replacement