> giving me the following result: > X-Uptime: > 18:09:29 up 32 days, 5:40, 5 users, load average: 0.00, 0.00, 0.08
This is what the backtick operator is for. For example, if you say: my_hdr X-Issue: `cat /etc/issue | head -1` It executes the command in the backticks, and substitutes its output at that position, giving you something like: X-Issue: Red Hat Linux release 7.2 (Enigma) -- Mike Schiraldi VeriSign Applied Research
msg27526/pgp00000.pgp
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