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December 28, 2015 18:09
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Uses OS X's "Quick Look" as a pseudo-pager.
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#!/bin/bash | |
# It'd be nice to allow users to pipe stuff into this and have it displayed. | |
# I had it working, but then I added the press-any-key-to-close functionality | |
# because clicking the X was annoying, and that consumes stdin. | |
# | |
# Ideally this would cause the window manager to focus on the quicklook window, | |
# which would be responsable for closing itself, but qlmanage seems to not be | |
# capable of doing that (at least as of 10.6.8). | |
# | |
# Perhaps a solution would be to use osascript to launch quicklook instead of | |
# going through the command line interface which according to the man page | |
# (and the title of the resulting quicklook qindow) appears to just be for | |
# debugging, but that might create issues with correctly returning focus to | |
# the terminal afterwards. | |
if [ -z "$*" ]; then | |
echo "Usage: $(basename "$0") <file> ..." > /dev/stderr | |
exit | |
fi | |
cleanup() { | |
kill $QL_PID | |
exit | |
} | |
trap cleanup USR1 | |
qlmanage -p "$@" &>/dev/null & | |
QL_PID=$! | |
{ | |
read -s -n 1 | |
kill -USR1 $$ | |
} < /dev/stdin & | |
SUB_PID=$! | |
wait $QL_PID | |
kill $SUB_PID |
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