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May 19, 2015 - A Look At The New Commandlinefu
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Save a result based on a command's output in a variable while printing the command output

Terminal - Save a result based on a command's output in a variable while printing the command output
num_errs=`grep ERROR /var/log/syslog | tee >(cat >&2) | wc -l`
2014-03-12 00:04:24
Functions: cat tee wc
0
Save a result based on a command's output in a variable while printing the command output

Many circumstances call for creating variable of a summary result while still printing the original pipe. Inserting "tee >(cat >&2)" allows the command output to still be printed while permitting the same output to be processed into a variable.

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Terminal - Alternatives

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