Re: NET:SSH2 exec syntax usage

[Illuminatus]

in reply to NET:SSH2 exec syntax usage

1. Your zcat command is encased in single-quotes, which means that variable substitution will not occur.
2. It is not totally clear from the documentation, but I am pretty sure that setting blocking to 0 means non-blocking. Since the ls probably returns right away, this makes no difference in the first case. zcat, however, can take a while on files of non-trivial size. Since you are not checking for EAGAIN, this could give you a problem

fnord

[SitrucHtims]

Illuminatus is correct. If you want to use single quotes, you will have to concatenate your variables. Otherwise you can switch them to double quotes and backslash your literal double-quotes.

ex. $chan->exec('zcat /db2home/idsldap/idsslapd-idsldap/logs/ibmslapd.log.' . $ibmslapd_fn . '-2350.gz | grep -i "entries have been successfully" ');

or

ex. $chan->exec("zcat /db2home/idsldap/idsslapd-idsldap/logs/ibmslapd.log.$ibmslapd_fn-2350.gz | grep -i \"entries have been successfully\" ");

[ZigZaggin]

Thank You SitrucHtims.

This Worked
ex. $chan->exec('zcat /db2home/idsldap/idsslapd-idsldap/logs/ibmslapd.log.' . $ibmslapd_fn . '-2350.gz | grep -i "entries have been successfully" ');

This Didn't
escaping the double quotes didn't work...
$chan->exec("zcat /db2home/idsldap/idsslapd-idsldap/logs/ibmslapd.log.$ibmslapd_fn-2350.gz | grep -i \"entries have been successfully\" ");

Thanks again for your assistance. My Issue is solved.

The $chan->blocking(0); statement didn't seem to matter.

[SitrucHtims]

The double quotes failed because I missed escaping the "|" character. It is another perl special character. Should work fine as below.

$chan->exec("zcat /db2home/idsldap/idsslapd-idsldap/logs/ibmslapd.log.$ibmslapd_fn-2350.gz \| grep -i \"entries have been successfully\" ");