Sed Delete Non Printable Characters Sed non printable or ask your own question How to remove the special characters shown as blue color in the picture 1 like M A In my understanding M is a windows newline character I can use sed i M g to remove it but it
Inserting BACKSPACE character does not magically remove previous character You need to be running an editor and pressing ctrl and H together to make the editor remove the character What you really need to do is to replace n t with t I am trying to validate some inputs to remove a set of characters Only alphanumeric characters plus period underscore hyphen are allowed I ve tested the regex expression w here http gskinner RegExr and it matches what I want removed so I not sure why sed is returning the opposite
Sed Delete Non Printable Characters
Sed Delete Non Printable Characters
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I would like to use sed to remove the characters from every line I tried using sed s g but it didn t work it didn t change anything Do I need to escape these special characters Is it possible to delete multiple characters using a single sed command
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Sed Delete Non Printable Characters
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https://unix.stackexchange.com/questions/144988
Can you do this only using POSIX sed Yes sed e s H g data where H is just a literal backspace character POSIX sed uses POSIX basic regular expressions which are defined over bytes printing characters or not they don t care so this behaves the same as if H were a letter There are no extensions involved here
https://stackoverflow.com/questions/34412754
I am trying to remove non printable character for e g from records in my file Since the volume to records is too big in the file using cat is not an option as the loop is taking too much time I tried using sed i s a zA Z 0 9 g FILENAME but still the characters are not removed Also I
https://stackoverflow.com/questions/52504563
I tried sed s print g file but it does not remove those characters My locale are listed below when I run locale a C POSIX en US 8859 15 en US ISO8859 1 en US I even tried sed e s g and it did not remove the characters
https://stackoverflow.com/questions/3337936
Here s the solution with sed stripping ALL non printable non ASCII characters from the file sed i s a zA Z 0 9 g FILE
https://www.cyberciti.biz/faq/unix-linux-sed
I removed all the non printable characters except M control M which I want to replace with two linefeeds so the text will retain paragraphs in LaTeX using analgous sed commands to your examples I have failed completely Using 1 s M r r g works on a sample file in vi if I remember correctly but the corresbonding sed
6 Answers Sorted by 6 To delete everything before the first equal sign sed s everyone pls If the file everyone pls looks like cat everyone pls File 1515 foo txt File 1516 foo xls The the above command produces sed s everyone pls foo txt foo xls I am using the following command to replace the non ASCII characters single quotes and non printable characters sed i e s g e s g e s d128 d255 g e s x0 g filename However I am getting an error sed e expression 3 char 18 Invalid collation character
Probably the easiest solution involves using the Unix tr command Here s all you have to remove non printable binary characters garbage from a Unix text file tr cd 11 12 15 40 176 file with binary chars clean file