gpg: cannot open `/dev/tty': No such device or address in linux

Hi
The following command in the perl script throughing error like "gpg: cannot open `/dev/tty': No such device or address" but It works if I run it alone in the putty. Please advise me.

 `cat /home/jma/JPMC_keys/passphrase  | gpg -a -e -s -r pgpadmin\@ecqa.company.com -u adminqa_rsa\@company.com --passphrase-fd 0 -o $file_location/$encrypted_filename $file_location/$filename`;
sumanth_oraAsked:
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xtermCommented:
So it works when you run it in putty - where does it NOT work?  Are attempting to cron this?  How are you generating that error?
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djeekCommented:
You should add the "--no-tty" to the gpg command.
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sumanth_oraAuthor Commented:
Good Solution
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