Created
December 5, 2013 14:02
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#!/bin/bash | |
function stdout { | |
echo -e "\e[32m$@\e[0m"; | |
} | |
function stderr { | |
echo -e "\e[31m$@\e[0m" 1>&2; | |
} | |
function stdlog { | |
echo "$@"; | |
} >> /tmp/foo.log | |
function pipe { | |
if [ $# -ne 0 ]; then | |
multi $@; | |
else | |
while read -r; do | |
echo $REPLY; | |
done | |
fi | |
} | |
function multi { | |
while read -r; do | |
for i in ${@:1}; do | |
$i $REPLY; | |
done | |
done | |
} | |
function eval { | |
while read -r; do | |
STDIN=$REPLY; | |
eval $1; | |
done | |
} | |
function :color { | |
case "$1" in | |
'red' ) eval 'echo -e "\e[31m$STDIN\e[0m"';; | |
'green' ) eval 'echo -e "\e[32m$STDIN\e[0m"';; | |
'yellow' ) eval 'echo -e "\e[33m$STDIN\e[0m"';; | |
'blue' ) eval 'echo -e "\e[34m$STDIN\e[0m"';; | |
'purple' ) eval 'echo -e "\e[35m$STDIN\e[0m"';; | |
'magenta' ) eval 'echo -e "\e[36m$STDIN\e[0m"';; | |
'grey' ) eval 'echo -e "\e[37m$STDIN\e[0m"';; | |
* ) eval 'echo "$STDIN"';; | |
esac | |
} | |
# Create some streams | |
function a { echo "[ STREAM A ] $@"; } | |
function b { echo "[ STREAM B ] $@"; } | |
# Pipe all the things in to the other things | |
ls -la |:color 'blue' |\ | |
eval 'echo "LAYER 1: $STDIN"' |:color 'magenta' |\ | |
eval 'echo "LAYER 2: $STDIN"' |:color 'green' |\ | |
pipe a b |:color 'yellow'; |
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