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Full Discussion: Add event
Top Forums UNIX for Dummies Questions & Answers Add event Post 302939962 by RudiC on Tuesday 31st of March 2015 08:02:36 AM
Old 03-31-2015
Quote:
Originally Posted by radius
what does this mean
Code:
{h[$1]=1       # this is the "1" you want printed if $1 is found in file2

and
Code:
h[$1]+0}       # this "+0" converts the empty h element to 0 if $1 is not found; it doesn't modify the 1 if $1 is found

?
. . .
 
ZDIFF(1)                                                      General Commands Manual                                                     ZDIFF(1)

NAME
zcmp, zdiff - compare compressed files SYNOPSIS
zcmp [ cmp_options ] file1 [ file2 ] zdiff [ diff_options ] file1 [ file2 ] DESCRIPTION
Zcmp and zdiff are used to invoke the cmp or the diff program on files compressed via gzip. All options specified are passed directly to cmp or diff. If only file1 is specified, it is compared to the uncompressed contents of file1.gz. If two files are specified, their con- tents (uncompressed if necessary) are fed to cmp or diff. The input files are not modified. The exit status from cmp or diff is pre- served. SEE ALSO
cmp(1), diff(1), zmore(1), zgrep(1), znew(1), zforce(1), gzip(1), gzexe(1) BUGS
Messages from the cmp or diff programs may refer to file names such as "-" instead of to the file names specified. ZDIFF(1)
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