sed replace last symbol

1. How do I change the last character using SED?
2. How do I change the last character of a string in a shell script?
3. How do I change the last occurrence of a string in Unix?
4. How do you find and replace in SED?
5. How do you remove the last character of a line?
6. How do I remove special characters in Unix using SED?
7. How do you remove the last two characters of a shell?
8. How do you trim the last character of a shell?
9. How can I remove last character from a string in Unix?
10. What is SED used for?
11. How do I ignore in SED?
12. What does sed mean?

How do I change the last character using SED?

4 Answers. This will replace the last character in the line followed by none or many spaces. Your line only matches a line with a single character. Note that the s operation only takes effect if the line matches, not if only a subset of the line matches the regex.

How do I change the last character of a string in a shell script?

How to replace the last char of a string in bash with another...

1. "$str%.0.X" – anubhava Feb 12 '18 at 10:03.
2. sed 's/0$/X/g' – 13dimitar Feb 12 '18 at 10:03.

How do I change the last occurrence of a string in Unix?

The following `sed` command will replace the last digit that exists in the string value by the value by double zero (0 0).

How do you find and replace in SED?

The procedure to change the text in files under Linux/Unix using sed:

1. Use Stream EDitor (sed) as follows:
2. sed -i 's/old-text/new-text/g' input. ...
3. The s is the substitute command of sed for find and replace.
4. It tells sed to find all occurrences of 'old-text' and replace with 'new-text' in a file named input.

How do you remove the last character of a line?

If your output has a new line character and you want to remove that as well as the last non-whitespace character, use head -c-2 ).

How do I remove special characters in Unix using SED?

5 Answers

1. On another note, you will be able to replace [ without the escape character :) – Citylight Nov 27 '14 at 18:00.
2. No Sree: sed: -e expression #1, char 5: unterminated s' command` – Gilles Quenot Nov 27 '14 at 18:21.
3. @sputnick I think that error came from an unterminated s .

How do you remove the last two characters of a shell?

For example, to remove the last two characters from the variable: $SRC_IP_MSG , you can use: As we can also use php in command line, or shell scripts.
...
A few options depending on the shell:

1. POSIX: t=$t%?
2. Bourne: t=`expr " $t" : ' \(. ...
3. zsh/yash: t=$t[1,-2]
4. bash/zsh: t=$t:0:-1
5. ksh93/bash/zsh/mksh: t=$t:0:$#t-1

How do you trim the last character of a shell?

Bash/ksh shell substitution example

The syntax to remove last character from line or word is as follows: x="foo bar" echo "$x%?"

How can I remove last character from a string in Unix?

Solution:

1. SED command to remove last character. ...
2. Bash script. ...
3. Using Awk command We can use the built-in functions length and substr of awk command to delete the last character in a text. ...
4. Using rev and cut command We can use the combination of reverse and cut command to remove the last character.

What is SED used for?

sed is a stream editor. A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipeline). While in some ways similar to an editor which permits scripted edits (such as ed ), sed works by making only one pass over the input(s), and is consequently more efficient.

How do I ignore in SED?

1 Answer

1. escape the '\' so that shell interpreter will expand to a single slash (in the third point below),
2. when defining this variable, use single quotes so it is not expanded, and.
3. expand (by double quoting) when using it within sed, to get the correct end result.

What does sed mean?

SED