-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi Scott: Why do this:
#!/usr/bin/env bash and not the usual #! /bin/bash ??? - --Bob. On 2017-02-24 11:21 PM, Scott Elcomb via talk wrote: > On Fri, Feb 24, 2017 at 9:24 PM, Stewart C. Russell via talk > <[email protected]> wrote: >> On 2017-02-20 12:47 AM, Aruna Hewapathirane wrote: >>> >>> Hi Stewart, you could just |watch| the file listing (adjusting >>> n seconds to whatever is suitable) >>> >>> |watch --differences -n 10 ls -l </path/to/shared/dir>| >> >> I hadn't heard of watch before, so thanks! watch *started* to >> work really well, but then went into a terminal sulk after the FS >> disappeared during a scan, and refused to show any updates. It's >> also an interactive program, so doesn't pipe or notify changes in >> any useful way. >> >> I suspect I'll just have to go with William Park's suggestion of >> using rsync to a local folder that I have more control over. I >> still have to correct for the scanner FS's wandering clock, but >> that's less important. > > Here's a quick and dirty bash script similar to the watch command; > adjust to taste. :-) > > [- watchdir.sh snippet starts -] > > #!/usr/bin/env bash # # USAGE # watchdir.sh <rate> <path> # > > > # Determine our sampling rate WATCHRATE=${1} > > if [[ "" = "${WATCHRATE}" ]]; then WATCHRATE=10 fi > > # Determine our watch directory WATCHDIR=${2} > > if [[ "" = "${WATCHDIR}" ]]; then WATCHDIR="." fi > > # Describe what we're doing echo "Watching ${WATCHDIR} every > ${WATCHRATE}s:" > > # Render a side-by-side comparison with last snapshot of our > directory # note: assumes at least one snapshot already exists > function sample_watchdir { cp .current .previous date > .current ls > -l ${WATCHDIR} >> .current echo "" diff -y .current .previous } > > # Begin watching date > .current ls -l ${WATCHDIR} >> .current > sample_watchdir > > # Every WATCHRATE seconds, make the current file listing our > previous # listing, take a fresh look at WATCHDIR and compare the > changes while sleep ${WATCHRATE}; do sample_watchdir done > > [- watchdir.sh snippet ends -] > - -- - -- Bob Jonkman <[email protected]> Phone: +1-519-635-9413 SOBAC Microcomputer Services http://sobac.com/sobac/ Software --- Office & Business Automation --- Consulting GnuPG Fngrprnt:04F7 742B 8F54 C40A E115 26C2 B912 89B0 D2CC E5EA -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Ensure confidentiality, authenticity, non-repudiability iEYEARECAAYFAli2j7UACgkQuRKJsNLM5eobKQCfUCOoqN2ncebZcc7mBA2BIYl1 pXIAoI4Ce2/FSphaU28ADlvybH1rbyQE =MXyH -----END PGP SIGNATURE----- --- Talk Mailing List [email protected] https://gtalug.org/mailman/listinfo/talk
