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UNIX for Dummies Questions & Answers
\n after EOF
Post 302128204 by priya12 on Monday 23rd of July 2007 10:49:07 AM
07-23-2007
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Hi friends ,
I am confused with << EOF
EOF
Most of the cases I found
sqlplus $db_conn_str << EOF
some sql staments
EOF
another exapmle is
#!/bin/sh
echo -n 'what is the value? '
read value
sed 's/XXX/'$value'/' <<EOF
The value is XXX
EOF (1 Reply)
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LEARN ABOUT SUNOS
diff3
diff3(1) User Commands diff3(1) NAME
diff3 - 3-way differential file comparison SYNOPSIS
diff3 [-exEX3] filename1 filename2 filename3 DESCRIPTION
diff3 compares three versions of a file, and publishes disagreeing ranges of text flagged with these codes: ==== all three files differ ====1 filename1 is different ====2 filename2 is different ====3 filename3 is different The type of change suffered in converting a given range of a given file to some other is indicated in one of these ways: f : n1 a Text is to be appended after line number n1 in file f, where f = 1, 2, or 3. f : n1 , n2 c Text is to be changed in the range line n1 to line n2. If n1 = n2, the range may be abbreviated to n1. The original contents of the range follows immediately after a c indication. When the contents of two files are identical, the contents of the lower-numbered file is suppressed. The following command will apply the resulting script to filename1. (cat script; echo '1,$p') | ed - filename1 OPTIONS
-e Produce a script for the ed(1) editor that will incorporate into filename1 all changes between filename2 and filename3 (that is, the changes that normally would be flagged ==== and ====3). -x Produce a script to incorporate only changes flagged ====. -3 Produce a script to incorporate only changes flagged ====3. -E Produce a script that will incorporate all changes between filename2 and filename3, but treat overlapping changes (that is, changes that would be flagged with ==== in the normal listing) differently. The overlapping lines from both files will be inserted by the edit script, bracketed by <<<<<< and >>>>>> lines. -X Produce a script that will incorporate only changes flagged ====, but treat these changes in the manner of the -E option. USAGE
See largefile(5) for the description of the behavior of diff3 when encountering files greater than or equal to 2 Gbyte ( 2**31 bytes). FILES
/tmp/d3* /usr/lib/diff3prog ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | |Availability |SUNWesu | |CSI |enabled | +-----------------------------+-----------------------------+ SEE ALSO
diff(1), attributes(5), largefile(5) NOTES
Text lines that consist of a single `.' will defeat -e. Files longer than 64 Kbytes will not work. SunOS 5.10 14 Sep 1992 diff3(1)