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    <p>Thanks to <em>Sahas</em>, I managed to achieve the following solution:</p> <pre><code>function log() { [ -z "$counter" ] &amp;&amp; counter=1 || (( ++counter )) if [ -n "$teepid" ]; then exec 1&gt;&amp;- 2&gt;&amp;- # close file descriptors to signal EOF to the `tee` # command in the bg process wait $teepid # wait for bg process to exit fi # Display text-to-be-logged on screen and # write it to the summary log &amp; to it's corresponding log file ( tee "${counter}.log" &lt; "$pipe" | tee -a "Summary.log" 1&gt;&amp;4 ) &amp; teepid=$! exec 1&gt;"$pipe" 2&gt;&amp;1 # redirect stdout &amp; stderr to the pipe } # Create temporary FIFO/pipe pipe_dir=$(mktemp -d) pipe="${pipe_dir}/cmds_output" mkfifo "$pipe" exec 4&lt;&amp;1 # save value of FD1 to FD4 log # Logs the following code block { # ... Many bash commands ... } log # Logs the following code block { # ... Many bash commands ... } if [ -n "$teepid" ]; then exec 1&gt;&amp;- 2&gt;&amp;- # close file descriptors to signal EOF to the `tee` # command in the bg process wait $teepid # wait for bg process to exit fi </code></pre> <p><strong>It works - I tested it.</strong></p> <p>References:</p> <ul> <li><a href="https://superuser.com/questions/86915/force-bash-script-to-use-tee-without-piping-from-the-command-line">Force bash script to use tee without piping from the command line @ superuser.com</a> - <strong>helped a lot</strong></li> <li><a href="http://tldp.org/LDP/abs/html/io-redirection.html" rel="nofollow noreferrer">I/O Redirection @ tldp.org</a></li> <li><a href="http://tldp.org/LDP/abs/html/internalvariables.html#PIDVARREF" rel="nofollow noreferrer">$! - PID Variable @ tldp.org</a></li> <li><a href="http://tldp.org/LDP/abs/html/refcards.html#AEN22078" rel="nofollow noreferrer">TEST Operators: Binary Comparison @ tldp.org</a></li> </ul>
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