How to synchronize colorified through subshell stderr with main shell's stdout in Bash?

Asked Oct 13 '18 at 17:21

Active Oct 13 '18 at 17:21

Viewed 19 times

There is a simple bash script:

#!/bin/bash
exec 2> >(while read; do echo >&2 -ne '\e[1;36m'; echo >&2 -n "$REPLY"; echo >&2 -e '\e[m'; done)
echo line1
echo errline1 >&2
echo line2
echo errline2 >&2
echo line3
echo err line 3 >&2

The second line is intended to colorify stderr.

The result is:

line1
line2
line3
errline1
errline2
err line 3

expected:

line1
errline1
line2
errline2
line3
err line 3

How to synchronize colorified stderr from subshell with main shell's stdout?

asked Oct 13 '18 at 17:21

kyb

7,233
5
52
105

BTW, I just edited my answer to the linked question to explicitly show how to use it to do the kind of colorization you're looking for here. – Charles Duffy Oct 13 '18 at 18:15
@CharlesDuffy, Thank you. – kyb Oct 15 '18 at 11:06

How to synchronize colorified through subshell stderr with main shell's stdout in Bash?

How to synchronize colorified stderr from subshell with main shell's stdout?

0 Answers0