[CTX] [ALL] tee filter

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BUILT-IN FILTERS: if a filterCommand is prefixed with "-", then it is a filter built-in to DeleGate.

credhyFilter == -credhy ... encryption/decryption filter

teeFilter == -tee[teeOpt]*[SPACE filePath] ... filter like tee(1) command

catFilter == -cat[teeOpt] ... filter like cat(1) command

teeOpt == -h | -n | -t | -v | -l | -e

-h -- output header part only
-n -- number the output lines
-t -- time stamp for each output line
-v -- visualize invisible characters
-l -- (with -tee) output to LOGFILE instead of stderr (default)
-e -- (with -tee) output to stderr


codeconvFilter == -charCode ... char code conversion as CHARCODE

charCode == jis | sjis | euc | utf8

Example:

FTOCL=-tee-h-n FTOSV=-tee

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