여기 순수한 Bash 솔루션이 있습니다.
다른 이름으로 저장 strip-escape-codes.sh
하고 실행 가능하게 한 다음 실행하십시오 <command-producing-colorful-output> | ./strip-escape-codes.sh
.
이것은 모든 ANSI 이스케이프 코드 / 시퀀스를 제거합니다. 만 색상을 제거하려는 경우, 교체 [a-zA-Z]
와 함께 "m"
.
배쉬> = 4.0 :
#!/usr/bin/env bash
# Strip ANSI escape codes/sequences [$1: input string, $2: target variable]
function strip_escape_codes() {
local _input="$1" _i _char _escape=0
local -n _output="$2"; _output=""
for (( _i=0; _i < ${#_input}; _i++ )); do
_char="${_input:_i:1}"
if (( ${_escape} == 1 )); then
if [[ "${_char}" == [a-zA-Z] ]]; then
_escape=0
fi
continue
fi
if [[ "${_char}" == $'\e' ]]; then
_escape=1
continue
fi
_output+="${_char}"
done
}
while read -r line; do
strip_escape_codes "${line}" line_stripped
echo "${line_stripped}"
done
배쉬 <4.0 :
#!/usr/bin/env bash
# Strip ANSI escape codes/sequences [$1: input string, $2: target variable]
function strip_escape_codes() {
local input="${1//\"/\\\"}" output="" i char escape=0
for (( i=0; i < ${#input}; ++i )); do # process all characters of input string
char="${input:i:1}" # get current character from input string
if (( ${escape} == 1 )); then # if we're currently within an escape sequence, check if
if [[ "${char}" == [a-zA-Z] ]]; then # end is reached, i.e. if current character is a letter
escape=0 # end reached, we're no longer within an escape sequence
fi
continue # skip current character, i.e. do not add to ouput
fi
if [[ "${char}" == $'\e' ]]; then # if current character is '\e', we've reached the start
escape=1 # of an escape sequence -> set flag
continue # skip current character, i.e. do not add to ouput
fi
output+="${char}" # add current character to output
done
eval "$2=\"${output}\"" # assign output to target variable
}
while read -r line; do
strip_escape_codes "${line}" line_stripped
echo "${line_stripped}"
done
strip-ansi
: github.com/chalk/strip-ansi를 .