Top Forums UNIX for Beginners Questions & Answers What script would I use to count the number of a term and its opposite? Post 303041746 by RudiC on Tuesday 3rd of December 2019 04:08:27 PM
What would you expect? The first greps the lines with "done" in them and pipes it --- into nowhere! As the second opens the input file again to read from it and discards its stdin. You've been given examples of how to do it correctly.

Your desired output isn't too clear, at least to me.
Test Your Knowledge in Computers #747
Difficulty: Medium
The Z80 uses 248 out of the available 256 codes as single byte opcodes.
True or False?

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ZGREP(1)						      General Commands Manual							  ZGREP(1)

zgrep - search possibly compressed files for a regular expression SYNOPSIS
zgrep [ grep_options ] [ -e ] pattern filename... DESCRIPTION
Zgrep invokes grep on compressed or gzipped files. These grep options will cause zgrep to terminate with an error code: (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*). All other options specified are passed directly to grep. If no file is specified, then the standard input is decompressed if necessary and fed to grep. Otherwise the given files are uncompressed if necessary and fed to grep. If the GREP environment variable is set, zgrep uses it as the grep program to be invoked. EXIT CODE
2 - An option that is not supported was specified. AUTHOR
Charles Levert ( SEE ALSO
grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1) ZGREP(1)

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