fiss-minit

commit 429ec01f001f0fef47922044826af7202388a806
parent 458056f37992ec1d7c8d10f50c4c16e2f04a7620
Author: leitner <leitner>
Date:   Mon, 27 Oct 2014 13:04:41 +0000

document ftrigger

Diffstat:
A
ftrigger.1
 | 
39
+++++++++++++++++++++++++++++++++++++++
M
ftrigger.c
 | 
4
+++-

2 files changed, 42 insertions(+), 1 deletion(-)
diff --git a/ftrigger.1 b/ftrigger.1
@@ -0,0 +1,39 @@
+.TH ftrigger 1
+.SH NAME
+ftrigger \- trigger an action if a file changes
+.SH SYNOPSIS
+.B ftrigger [-v] @command filename [@command filename...]
+
+.SH DESCRIPTION
+.B ftrigger
+can watch a list of files and run shell commands if they change.
+
+.B ftrigger
+uses the inotify kernel notification mechanism if available, so
+it can trigger in real time.  With inotify, ftrigger will trigger when
+the file is closed after it was opened for writing.  Without inotify,
+this information is not available, so ftrigger might trigger when the
+file has only been partially written yet.  Make sure to use proper
+atomic file updates (write to a temp file and use rename(3) to move the
+new version over the old one when done) to update your files to avoid
+race conditions.
+
+.SH EXAMPLES
+
+% ftrigger '@msvc -h sshd' /etc/sshd_config
+
+This will watch /etc/sshd_config, and if it changes, msvc will send a
+SIGHUP to the sshd service.
+
+It is also possible to watch more than one file at a time:
+
+% ftrigger '@echo updated' /tmp/a /tmp/b
+
+And it is possible to watch multiple files with different triggers:
+
+% ftrigger '@echo a updated' /tmp/a '@echo b updated' /tmp/b
+
+.SH AUTHOR
+minit was written by Felix von Leitner and can be downloaded from
+.I http://www.fefe.de/minit/
+
diff --git a/ftrigger.c b/ftrigger.c
@@ -25,8 +25,10 @@ void sighandler(int signum) {
   wait(&status);
 }
 
+int v;
+
 int main(int argc,char* argv[]) {
-  int i,in,v=0;
+  int i,in;
   const char* command="make";
   struct stat ss;
   char buf[2048];