flock
Section: User Commands (1)
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NAME
flock - run a program with a file locked
SYNTAX
flock file program [arg ... ]
DESCRIPTION
flock
opens
file
for reading,
sets an
exclusive
lock on it,
and runs
program.
When
program
exits
(along with any of its children that inherit the lock),
the lock disappears.
This is the simplest ``right'' way to lock files from
shell scripts.
DIAGNOSTICS
- cannot open
-
Self-explanatory.
- cannot flock
-
Self-explanatory.
- cannot execute
-
Self-explanatory.
VERSION
flock version 1.0, dated April 20, 1990.
SEE ALSO
flock(2)
Index
- NAME
-
- SYNTAX
-
- DESCRIPTION
-
- DIAGNOSTICS
-
- VERSION
-
- SEE ALSO
-
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