diff options
| -rw-r--r-- | src/randsleep.1 | 11 | ||||
| -rw-r--r-- | src/randsleep.c | 12 |
2 files changed, 18 insertions, 5 deletions
diff --git a/src/randsleep.1 b/src/randsleep.1 index 41d2fac..d051b73 100644 --- a/src/randsleep.1 +++ b/src/randsleep.1 @@ -12,7 +12,8 @@ .Sh SYNOPSIS . .Nm -.Ar time command args ... +.Ar time +.Op Ar command args ... . . .Sh VERSION @@ -32,6 +33,14 @@ after sleeping for up to seconds. It is intended for use in cronjobs and similar. . +.Pp +. +If +.Ar command +is not specified, +.Nm +will simply return after sleeping. +. . .Sh RATIONALE . diff --git a/src/randsleep.c b/src/randsleep.c index 389e3a7..ea9c588 100644 --- a/src/randsleep.c +++ b/src/randsleep.c @@ -7,8 +7,8 @@ int main (int argc, char **argv) { long maxsleep; struct timespec ntime; - if (argc <= 2) { - fputs("Usage: randsleep <max> <cmd>\n", stdout); + if (argc < 2) { + fputs("Usage: randsleep <max> [<cmd>]\n", stdout); return 1; } @@ -21,6 +21,10 @@ int main (int argc, char **argv) { sleep(rand() % maxsleep); - execvp(argv[2], argv + 2); - perror("execvp"); + if (argc > 2) { + execvp(argv[2], argv + 2); + perror("execvp"); + } + + return 0; } |