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A possibility for general purposes:
perl -nle '/(\d+:\d+:\d+)/ and print $1' extra93.file
00:12:25

Or if it needs to be specific to the usercol3 class
perl -nle '/usercol3">(\d+:\d+:\d+)/ and...

Pipe it to
sed -n 's#^.*data-sort-value="\([^"]*\)".*$#\1#p'If you have the string in a shell variable, then
echo "$string" | sed ...can be smart-replaced with
expr x"$string" :...

How big is this problem?

Do you have this one exact line to deal with and nothing else, or a load of other XML to manage i.e. picking it specifically out of a file etc?

Not even with --posix . It is not part of the POSIX specification.

Even so, most shells do support string comparison when the > or < is escaped, through their shell builtin
[ "$string1" \>...

Correct is
if [ $linenum -gt 0 ]The > 0 is a redirection to a file "0"! Bash handles it differently unless called with --posix.

There's a manual page for that file...

man at.deny

Obviously something is wrong....

You can check file permissions. Maybe your script has no access to /tmp. Please post the output of the following commands:


ls -ld /
ls -la /tmp
Maybe you...

Please answer my question.

By "from PHP" you really mean "when run by the web server through CGI", yes?

Your web server will likely be running it as the apache user and group, which may not be in at.allow, and may not have...

What's in the log.txt when you execute this?

shell_exec('at -f phpsc.sh now + 5 minute >/tmp/log.txt 2>&1');

...and i think correctly it is called +5 minutes (s at the end).