l: allow piping into sxiv

This commit is contained in:
lassulus 2022-11-27 21:51:15 +01:00
parent dae12b6893
commit a4637e2bb1
2 changed files with 28 additions and 3 deletions

View File

@ -79,9 +79,7 @@ in {
powertop powertop
rxvt-unicode rxvt-unicode
sshvnc sshvnc
(pkgs.writers.writeDashBin "sxiv" '' sxiv
${pkgs.nsxiv}/bin/nsxiv "$@"
'')
nsxiv nsxiv
taskwarrior taskwarrior
termite termite

View File

@ -0,0 +1,27 @@
{ nsxiv, writers }:
writers.writeDashBin "sxiv" ''
set -efu
tmpfile="''${TMPDIR:-/tmp}/nsxiv_pipe_$$"
trap 'rm -f -- $tmpfile' EXIT
if [ "$#" -eq 0 ]; then
if [ -t 0 ]; then
echo "sxiv: No arguments provided" >&2; exit 1
else
# Consume stdin and put it in the temporal file
cat > "$tmpfile"
fi
fi
for arg in "$@"; do
# if it's a pipe then drain it to $tmpfile
[ -p "$arg" ] && cat "$arg" > "$tmpfile"
done
if [ -s "$tmpfile" ]; then
${nsxiv}/bin/nsxiv -q "$@" "$tmpfile" # -q to silence warnings
else
${nsxiv}/bin/nsxiv "$@" # fallback
fi
''