bash command preserve color when piping [duplicate]

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Here’s a script snippet using the colorized output of ls as an example (on Mac OS X 10.6).

# no colored ls output if stdout is a pipe (and not a tty)
ls -G /
ls -G / | cat
script -q /dev/null ls -G / | tr -d '\r' | cat

# write output of script command to a variable
var="$(script -q /dev/null ls -G / | tr -d '\r' | cat)"
echo "$var"

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