Remove color codes (special characters) with sed

sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g"

By: Cowboy

2009-09-23 12:06:33

sed

268

10 Alternatives + Submit Alt

Remove ( color / special / escape / ANSI ) codes, from text, with sed

Remove ( color / special / escape / ANSI ) codes, from text, with sed Credit to the original folks who I've copied this command from. The diff here is: Theirs: [m|K] Theirs is supposed to remove \E[NUMBERS;NUMBERS[m OR K] This statement is incorrect in 2 ways. 1. The letters m and K are two of more than 20+ possible letters that can end these sequences. 2. Inside []'s , OR is already assumed, so they are also looking for sequences ending with | which is not correct. This : [a-zA-Z] This resolves the "OR" issue noted above, and takes care of all sequences, as they all end with a lower or upper cased letter. This ensures 100% of any escape code 'mess' is removed. Show Sample Output
This is sample output - yours may be different.
```
user@host:~$  echo aaa | grep --color=always a | sed "s,\x1B\[[0-9;]*[a-zA-Z],,g"
aaa

# Note:  The a's are colored by grep, then color is stripped by sed statement.
```
8

sed "s,\x1B\[[0-9;]*[a-zA-Z],,g"

Zhoul · 2013-03-18 14:49:30 21
Remove color codes (special characters) with sed

Removes ANSI color and end of line codes to the [{attr1};...;{attrn}m format.
This is sample output - yours may be different.
5

sed -r "s/\x1B\[([0-9]{1,3}((;[0-9]{1,3})*)?)?[m|K]//g

vaejovis · 2009-11-03 00:34:06 7
Remove color codes (special characters) with sed
This is sample output - yours may be different.
5

sed -r "s:\x1B\[[0-9;]*[mK]::g"'

roylez · 2010-07-22 05:37:25 7
Remove color codes (special characters) with sed

Remove ANSI colors from stream or file
This is sample output - yours may be different.
0

sed -r 's/'$(echo -e "\033")'\[[0-9]{1,2}(;([0-9]{1,2})?)?[mK]//g'

frntn · 2012-01-04 20:57:09 6
Remove color codes (special characters) with sed

Works great on Mac OSX.
This is sample output - yours may be different.
0

sed -E "s/"$'\E'"\[([0-9]{1,3}((;[0-9]{1,3})*)?)?[m|K]//g"

jaytaylor · 2014-09-22 23:46:36 11

What Others Think

See also http://www.pixelbeat.org/scripts/ansi2html.sh for other possible codes to strip

pixelbeat · 780 weeks and 6 days ago

Just what I needed for cleaning the capture of the 'script' command. Thanks!

funollet · 775 weeks ago

Does this work when you have 2 colors on a line?

matthewbauer · 774 weeks and 3 days ago

badass. nice seddage :) i wonder if there is a simpler way to do it with simple redirection of stdout.. hmm not sure yet. anyway awesome, i'm using this for now xD

kevinquinnyo · 657 weeks and 2 days ago

FWIW, the `-r` does not work with `sed` on Mac OS-X.

jaytaylor · 584 weeks and 4 days ago

Is there any way to undo the effect of sed command?

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Here they have discussed the steps to remove color codes from text with sed so those who really want to know about it Punctual Duo The Step or wish to know the code can go through this post in which they have very well explained about the ways to remove special characters using the sed

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