How do you change square brackets using sed?

How do you change square brackets using sed?

You have to match an opening bracket, any character not being a closing bracket, and to a closing bracket. And the replacement part should include the brackets too. Then the replacement pattern is good, just the variable, the matching pattern needs to be \[[^]]*\] . This is a regular expression, to be used in sed.

How do you replace a single quote in Linux?

replacing single quotes with double quote in a file

1. In case you have access to GNU sed, you could just do: sed ‘s//”/g’ where is the hex sequence for a single quote. – Rakesh Sharma.
2. without GNU sed, create a file(say cmds) with this line: s/’/”/g Then invoke sed as: sed -f cmds. – Rakesh Sharma.

How do I remove square brackets from a string in Python?

Use the str Function to Print Lists Without Square Brackets In this method, we convert a list to a string using the str() function and then remove the first and last characters from this string that are the square brackets.

How do you remove parentheses in sed?

AWK/SED. How to remove parentheses in simple text file

1. sed ‘s/[)(]//g’ file. txt should do. – anubhava. Jan 18 ’12 at 17:35.
2. grep -E -o ‘[0-9E,. -]+’ file. txt should do. – ghoti. Aug 25 ’17 at 15:24.

How do I remove a quote from a string in bash?

Shell Script – Remove Double Quote (“”) from a String

1. The first expression ‘s/^”//’ will remove the starting quote from the string.
2. Second expression ‘s/”$//’ will remove the ending quote from the string.

How do you use single quotes in sed?

Escaping single quote in sed: 3 different ways:

1. Using double-quotes to enclose sed script: Simpliest way: sed “s/ones/one’s/” <<< ‘ones thing’
2. Using octal or hexadecimal representation: sed ‘s/ones/one/’ <<< ‘ones thing’ sed ‘s/ones/ones/’ <<< ‘ones thing’
3. Creating a dedicated sed script.

How do you replace single quotes and double quotes?

If you use single quote marks, you should use double speech marks for a quote within a quote. If you use double quote signs, you should use single quotation signs for a quote within a quote. Examples: “When I say ‘immediately,’ I mean sometime before August,” said the manager.

How do you replace brackets in Python?

In python, we can remove brackets with the help of regular expressions. # pattern is the special RE expression for findind the brackets.

How do I remove square brackets and commas in Python list?

1. Using join function to remove brackets from a list in Python. join() is a built-in function in python.
2. Using translate method to remove brackets from a list in Python.
3. Using string slicing method to remove brackets from a list in Python.
4. Using separator to remove brackets from a list in Python.

How do I remove double quotes in Unix?

2 Answers

1. sed ‘s/”//g’ removes all double quotes on each line.
2. sed ‘s/^/”/’ adds a double-quote at the beginning of each line.
3. sed ‘s/$/”/’ adds a double-quote at the end of each line.
4. sed ‘s/|/”|”/g’ adds a quote before and after each pipe.
5. EDIT: As per the pipe separator comment, we have to slightly change the command.

How do you remove quotes from JQ output?

1 Answer

1. It sounds like you have detailed enough specifications that you should be asking a new question, so that specification can be given in full.
2. If you want to strip the quotes, just pipe the output from this command to tr -d ‘”‘ .

How do you use brackets in a SED expression?

You need to place the brackets early in the expression: sed ‘s/[][=+…-]/ /g’. By placing the ‘]’ as the first character immediately after the opening bracket, it is interpreted as a member of the character set rather than a closing bracket. Placing a ‘[‘ anywhere inside the brackets makes it a member of the set.

How do I remove double quotes from a string using SED?

Given my two tips above, the command you can use to remove both double and single quotes is: Based on my first tip, the shell reduces sed’s second argument (i.e., the string after the -e) to s| [“‘]||g and passes that string to sed. Based on my second tip, sed treats this the same as s/ [‘”]//g .

What does the first character after the opening bracket mean?

By placing the ‘]’ as the first character immediately after the opening bracket, it is interpreted as a member of the character set rather than a closing bracket. Placing a ‘ [‘ anywhere inside the brackets makes it a member of the set.

How do I escape a quote in a string?

You can’t escape a single quote within a string quoted with single quotes. So you have to close the quote, add an escaped quote, then open the quotes again. That is: ‘foo’\\”bar’, which breaks down as: