wendy

watch files or directory and run commands on any event
git clone git://z3bra.org/wendy
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commit c856319e5dc15ebb39c9d50e6a28f08da75f0add
parent 9acc82e8767b5566629584d80cd8c22505deaa0c
Author: z3bra <willy@mailoo.org>
Date:   Mon Mar 30 21:07:49 2015

updated README to reflect new features

Diffstat:
 README | 39 ++++++++++++++++++++-------------------
 1 file changed, 20 insertions(+), 19 deletions(-)

diff --git a/README b/README @@ -6,10 +6,10 @@ (W)atch (ENT)ire (D)irector(Y) is an inotify-based directory watcher. -With wendy, you can watch event in a directory or on a file, and launch a +With wendy, you can watch event in directories or files, and launch a specific command when an event occurs. -The program is made the moire simple possible, to leave the room to unlimited +The program is made the more simple possible, to leave the room to unlimited uses. Be creative ! Every event raised by inotify is handled. Just sum them up to watch multiple @@ -36,25 +36,29 @@ To watch for both creation AND deletion in a directory, do some math: then, pass that value to wendy so that she can watch after both of them (did I just say 'she'?). -For more convenience, the IN_CREATE, IN_DELETE and IN_MODIFY events are bound to -(respectively) -C, -D and -M. +You can also note that you can specify file/directory names either using the +-f flag, or from stdin (in this case, the -f flag must be omited). +As a hidden feature, the watch mask is changed everytime the -m flag is +provided, and the inotify watches are set everytime the -f flag is given. So +you can wathc different mask on different file using the same command, and +that's pretty cool! Here are some examples: # Tell me whenever I have a new mail - wendy -C -d ~/mails/INBOX/new -t 60 -e espeak "You got a new mail" + wendy -m 256 -d ~/mails/INBOX/new -t 60 -e espeak "You got a new mail" # On-the-fly recompilation - wendy -M -q -d ~/src/dev/program/ -f source.c -t 1 -e make - # or eventually wendy -l | grep -i close_write IN_CLOSE_WRITE ... 8 - wendy -m 8 -q -d ~/src/dev/program/ -f source.c -t 1 -e make + find -name "*.c" | wendy -m 8 -q -d ~/src/dev/program/ -t 1 -e make # Get up to date with community based projects - wendy -D -M -C -d /mnt/nfs/project/ -t 30 -e notify-send 'project updated' + wendy -m 770 -f /mnt/nfs/project/ -t 30 -e popup 'project updated' + # watch creation in the directory, and modifications on a file + wendy -m 256 -f ./my_dir -m 8 -f file.txt -e echo awesome! FAQ === @@ -67,7 +71,7 @@ But you could do something like: $ tree . - └── a + ├── a ├── b │ ├── c │ └── d @@ -75,14 +79,10 @@ But you could do something like: 5 directories, 0 files - $ for d in `find a -type d`; do - > wendy -C -q -f $d -e echo file created in $d & - > done + $ find a -type d | wendy -m 256 -v | cut -f2 -That will spawn one instance of wendy per directory. You could then kill them -all using job control or with - - killall wendy +That will add a watch to each directory, and output the names of the file +created (eg: "a/b/newfile"). --- @@ -102,8 +102,9 @@ still prefer using wendy because of this: * inotifywait exits upon event reception [1] * inotifywait does not allow to launch a command on event reception [2] * inotifywait with multiple events can end in an infinite line [3] + * inotifywait cna't read names from stdin * inotifywait only handle the file modification event (eg, wendy can use - the IN_ONLYDIR mask). + the IN_ONLYDIR mask) * inotifywait exits right when an event occur, wendy can treat all queued events at a specific period * inotify-tools : 164kb against 12kb for wendy (ok, not that relevant) @@ -129,7 +130,7 @@ Good luck with this, I prefer "wendy -m <mask> -e command" I prefer - wendy -m 774 ~/path/to/my/file + wendy -m 774 -f ~/path/to/my/file ---