05-16-2012
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Last edited by Franklin52; 05-16-2012 at 08:06 AM..
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Hi,
Can anyone please help me: i'm trying to read a file with directory-names , then go to that directory and read another (output) file to perform some tasks per line (second read line in the part of script below).
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2. UNIX for Dummies Questions & Answers
HELLO all :),
I have been trying to use a simple while loop to read a file " templist", line by line and perform an action. See the code below. The reason for not using a while read line loop is the for the use of the if condition that wouldn't work. I would appreciate some ideas as this has... (2 Replies)
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3. Shell Programming and Scripting
Hi All,
How can we use read line using the index value of a FOR loop?
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pt_mstr,pt_status,8
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4. Shell Programming and Scripting
Hi I'm writing a bash script which will read an input file and look for occurrences of the current user ($USER) executing the script. When i find the occurrence of the username I take that line and append it to a file with a line number and bracket display next to line.
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5. Shell Programming and Scripting
Hi
I am using while loop, below, to read lines from a very large file, around 400,000 rows. The script works fine until around line 300k but then starts giving incorrect result.
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Hi,
I am trying to read a file line by line inside of a while loop. This while loop is part of a here document.
while read line
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7. Shell Programming and Scripting
I have written a script to read the file line by line.
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8. Shell Programming and Scripting
#!/bin/bash
count=1
while read line
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Hello,
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while IFS=: read -r line
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Based on text file:
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diff3(1) General Commands Manual diff3(1)
Name
diff3 - 3-way differential file comparison
Syntax
diff3 [-ex3] file1 file2 file3
Description
The command compares three versions of a file, and publishes the ranges of text that disagree, flagged with the following codes:
==== all three files differ
====1 file1 is different
====2 file2 is different
====3 file3 is different
The type of change needed to convert 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.
Options
-3 Produces an editor script containing the changes between file1 and file2 that are to be incorporated into file3.
-e Produces an editor script containing the changes between file2 and file3 that are to be incorporated into file1.
-x Produces an editor script containing the changes among all three files.
Examples
Under the -e option, publishes a script for the editor that incorporates into file1 all changes between file2 and file3 - that is, the
changes that would normally be flagged ==== and ====3. Option -x (-3) produces a script to incorporate only changes flagged ==== (====3).
The following command applies the resulting script to `file1':
(cat script; echo '1,$p') | ed - file1
Restrictions
Text lines that consist of a single `.' defeat -e.
Files
/tmp/d3?????
/usr/lib/diff3
See Also
cmp(1), comm(1), diff(1), dffmk(1), join(1), sccsdiff(1), uniq(1)
diff3(1)