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-rwxr-xr-xtools/offsetshape.sh2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/offsetshape.sh b/tools/offsetshape.sh
index 3362e3b..f3ceabd 100755
--- a/tools/offsetshape.sh
+++ b/tools/offsetshape.sh
@@ -1,3 +1,5 @@
#!/bin/sh
+#format of lines read from stdin:
+# $1 $2 $3 $4 <-- variables in awk
#objectname addshape color points_in_shape
awk '{ for(i=5;i<=(4+($4*3));i+=3){$i+='"$1"';$(i+1)+='"$2"';$(i+2)+='"$3"';} print $0;}'