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Top Forums Shell Programming and Scripting How to check if the file exists in directory? Post 302803865 by ken6503 on Tuesday 7th of May 2013 02:58:42 PM
Old 05-07-2013
No, it is not a homework.

I tried list the file then send to tmp file, then using diff to compare. but it doesn't work
ls > tmp
diff tmp filelist
 

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sccs-sccsdiff(1)						   User Commands						  sccs-sccsdiff(1)

NAME
sccs-sccsdiff, sccsdiff - compare two versions of an SCCS file SYNOPSIS
sccsdiff [-p] -rsid -rsid [diff-options] s.filename DESCRIPTION
sccsdiff compares two versions of an SCCS file and displays the differences between the two versions. Any number of SCCS files can be spec- ified. The options specified apply to all named s.files. OPTIONS
The following options are supported: -p Pipe output for each file through pr(1). -rsid Specify a version corresponding to the indicated SCCS delta ID (SID) for comparison. Versions are passed to diff(1) in the order given. diff-options Pass options to diff(1), including: -b, -c, -e, -f, -h, -u, -C number, -U number, and -D string. FILES
/tmp/get????? temporary files ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWsprot | +-----------------------------+-----------------------------+ SEE ALSO
diff(1), sccs(1), sccs-delta(1), sccs-get(1), sccs-help(1), sccs-prs(1), sccs-prt(1), what(1), sccsfile(4), attributes(5) DIAGNOSTICS
filename: No differences If the two versions are the same. Use the SCCS help command for explanations of other messages. See sccs-help(1). SunOS 5.11 30 Jun 2007 sccs-sccsdiff(1)
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