cshrc

早期freebsd实现

printenv USER >& /dev/null
if ($status != 0) then
    set path=(/bin /usr/ucb /usr/bin /usr/mmdf/bin /usr/uci .)
    goto crontab
endif

printenv LOGNAME >& /dev/null
if ($status != 0) then
    setenv LOGNAME "$USER"
endif

if (-r ~/.$LOGNAME) then
    source ~/.$LOGNAME
else
    if (~$LOGNAME/.cshrc != ~/.cshrc) source ~$LOGNAME/.cshrc
endif

if (~$LOGNAME/.signature != ~/.signature && -r ~$LOGNAME/.signature \
	&& -r ~/.signature) \
    setenv SIGNATURE "`cat ~/.signature` (agent: `cat ~$LOGNAME/.signature`)"

crontab:
umask 0022