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#
# Open up a pipe and then page the output.
# I wrote this in a race with Archon (hop, 1997)
#
#
# Usage:
# $0 - name of the pipe
# $1- - stuff to run
#
alias less_pipe
{
@ line = 0
if ([$1])
{
^on ^exec "$0 *" {
@ lessline[$line] = [$1-]
@ line++
}
^on ^exec_error "$0 *" {
echo *** Error on exec: $*
}
^on ^exec_exit "$0 *" {
on exec -"$0 *"
on exec_error -"$0 *"
on exec_exit -"$0 *"
less_array lessline 0 $line
}
exec -name $*
}
}
/*
* $0 is the array name to use
* $1 is the starting line
* $2 is the final line
*/
alias less_array
{
local line $1
local cr 0
local rows $winsize()
while ((line < [$2]) && (cr < rows))
{
echo $($0[$line])
assign -$0[$line]
@ line++, cr++
}
if (cr >= rows)
{
@ aaa.array_name = [$0]
@ aaa.next_line = line
@ aaa.final_line = [$2]
input_char "Enter q to quit, or anything else to continue "
{
if ([$0] != [q])
{
^less_array $aaa.array_name $aaa.next_line $aaa.final_line
}
}
}
}
#hop'97
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