Replace one character with another in Bash

Question

I need to be able to do is replace a space    with a dot     in a string in bash   I think this would be pretty simple  but I m new so I can t figure out how to modify a similar example for this use

User · Answer

Use parameter substitution   string   string

User · Answer

Try this for paths   echo   hello world   sed  s     g  sed  s     g  sed  s     g    It replaces the space inside the double-quoted string with a   sing  then replaces the   sign with a backslash  then removes replaces the double-quotes   I had to use this to replace the spaces in one of my paths in Cygwin   echo     cygpath -u  JAVA HOME    sed  s     g  sed  s      g  sed  s     g

User · Answer

In bash  you can do pattern replacement in a string with the   VARIABLE  PATTERN REPLACEMENT  construct  Use just   and not    to replace only the first occurrence  The pattern is a wildcard pattern  like file globs   string  foo bar qux  one    string             sets one to  foo bar qux  all    string             sets all to  foo bar qux

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Use inline shell string replacement  Example   foo         replace first blank only bar   foo         replace all blanks bar   foo         See http   tldp org LDP abs html string-manipulation html for more details

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Try this   echo  hello world    sed  s     g

User · Answer

You could use tr  like this   tr         Example     echo  hello world    tr       hello world     From man tr      DESCRIPTION    nbsp  nbsp  nbsp  nbsp  nbsp Translate  squeeze  and or delete characters from standard input  writ-          ing to standard output

[string] Replace one character with another in Bash

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