8 февр. 2009 г. · The easiest way is to use sed (or Perl): sed -i -e 's/abc/XYZ/g' /tmp/file.txt which will invoke sed to do an in-place edit due to the -i option.

20 мая 2010 г. · echo "$string" | tr xyz _ would replace each occurrence of x , y , or z with _ , giving A__BC___DEF__LMN in your example.

18 окт. 2020 г. · I recently asked for help with a sed command for replacing the text between the first and second appearence of a symbol.

8 мая 2011 г. · 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 ...

5 апр. 2017 г. · Try escaping the carrot ^ : sed -i 's/\^@//g' file Escaping \^ allows the pattern to continue to the next character ( @ ).

5 июн. 2021 г. · Replacing characters in each line on a file in linux · 2 · How to replace a specific character in bash · Hot Network Questions · TV show that ...

13 дек. 2011 г. · I'm using shell script, and single quotes do not give the variable replacement necessary. Double quotes replaces ${rep} with the proper value.

28 янв. 2020 г. · The left portion of the sed command \(.\)\(.\{10\}\)$ matches a character, followed by ten characters, then anchored by the end of line.

9 июл. 2012 г. · The @ sign is a placeholder which could replaced by any string. sed -i : edit files in place, without backups. sed s/regexp/replacement/ : ...

8 июл. 2019 г. · I want to replace the 12th character. Find below the part of the code that changes the position if the 12th position is equal to "0" change the figure to "59"