Perl find and replace
perl -i.bak -pe "s/Old text/New text/g" file1 file2 file3
-i: the extension to append to the backup of the original file (omit the .bak for no backup)
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Jesse Blomberg http://imitationmonkey.com/
-i: the extension to append to the backup of the original file (omit the .bak for no backup)
Redirect all output to a single file
Shell commands often output to both standard output and standard error. If you want to send *all* of this to a log file, use the following.
The 2>&1 bit is the part that redirects standard error to standard out, allowing you to capture both.
your_shell_script >> /path/to/logfile 2>&1
The 2>&1 bit is the part that redirects standard error to standard out, allowing you to capture both.