commenting

diff --git a/kbdo b/kbdo
index 595a984d5e9baca3e1769cfea603d5af8ba86bd0..fb4315fc3878bb636bf77b924fcd39b92a852b68 100755 (executable)
--- a/kbdo
+++ b/kbdo
@@ -9,14 +9,19 @@
 # Example for simply saving it in the ~/Pictures directory.
 #   kbdo cp -t $HOME/Pictures
 #
-# Example for running custom "copying script"
-#   kbdo $HOME/bin/mycp $HOME/Pictures/snap 4
-# .. where $HOME/bin/mycp could be a file with the following line:
-#   cp $3 $1/$(printf %0${2}d.png $(ls $1|wc -l))
-# .. for saving screenshots by serial numbering instead
+# Example for custom copying by inline scripting (same effect):
+# kbdo 'bash -c "X(){ cp $1 $HOME/Pictures; }; X $1"' CP
 #
-# Example for custom copying by inline scripting (note the backslashes):
-# kbdo 'bash -c "X(){ cp \$1 \$HOME/Pictures; }; X \$1" mycp'
+# Note above, that bash needs CP as the $0 for the -c scripting
+#
+# Example for post-processing with convert into fix resolution
+# kbdo 'bash -c "X(){ convert $1 -resize 800x600 ${1#.*}-x.png; }; X $1"' CVT
+#
+# Example for running custom script
+#   kbdo $HOME/bin/mycp arg1 arg2
+#
+# Note above, that the temporary snapshot file is added as an additional
+# last argument ("arg3" as it were); something like /tmp/Screenshot-date.png
 
 ARGS="$*"
 if [ -z "$ARGS" ] ; then
@@ -27,10 +32,6 @@ fi
 
 EVL=""
 
-foo() {
-    echo $1 >&2
-}
-
 stdbuf -o0 xxd -c 24 -p < /dev/input/event0 | \
     stdbuf -o0 sed 's/.\{32\}//;s/\(.\{12\}\).*/\1/' | \
     while read EV ; do
@@ -38,7 +39,9 @@ stdbuf -o0 xxd -c 24 -p < /dev/input/event0 | \
            EVL+=" $EV"
            continue
        fi
+       # echo "$EVL" >&2
        if [ -z "${EVL%%*010063000100}" ] ; then
+           # Act on the [PrtSc/SysRq] key
            echo "${PRG[@]}" >&2
            "${PRG[@]}" &
        fi