csh: redirecting output from foreach

In csh: How do I redirect the output from a foreach-loop to a pipe? This works but uses a temp file: set tmpfile=/tmp/file true > $tmpfile foreach v (set | awk -e '{print $1}' |grep -v prompt2); eval if'($?'$v' && ${#'$v'} > $tmpfile eval if'($?'$v' && ${#'$v'} > 1) echo array'$v'="$'$v'"' >> $tmpfile end cat $tmpfile | parallel --shellquote | perl -pe 's/^scalar(\S+).=/set $1=/ or s/^array(\S+).=(.*)/set $1=($2)/;' I would like to get rid of the temp file and use a pipe instead. So something like this (does not work): ( foreach v (set | awk -e '{print $1}' |grep -v prompt2); eval if'($?'$v' && ${#'$v'} 1) echo array'$v'="$'$v'"' end ) | parallel --shellquote | perl -pe 's/^scalar(\S+).=/set $1=/ or s/^array(\S+).=(.*)/set $1=($2)/;'