02-14-2013
I am confused..
because there is an weird behavior for the values of
$3.
$3 has values like..
292.9998 that's why it is failing.....
But i am not able to investigate why it is so
I m working on it hope i'll find some sure solution..
Regards,
pamu
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
I have file1.txt and file2.txt and would like to create file3.txt based on one column in UNIX
Eg:
file1.txt
17328756,0000786623.pdf,0000786623
20115537,0000793892.pdf,0000793892
file2.txt
12521_74_4.zip,0000786623.pdf
12521_15_5.zip,0000793892.pdf
Desired Output
... (5 Replies)
Discussion started by: techmoris
5 Replies
2. Shell Programming and Scripting
Input file 1:
A1BG
A1BG
A1BG
A1CF
A1CF
BCAS
BCAS
A2LD1
A2M
A2M
HAT
.
.
Input file 2:
A1BG All
A1CF TEMP (5 Replies)
Discussion started by: perl_beginner
5 Replies
3. UNIX for Dummies Questions & Answers
I have 100 data files labelled 250.1.txt through 250.100.txt. The second column of the data files partially match (there is about %90 overlap). Each data file has 4 columns.
I want the merge all these text files by the matching values in the second column. In the output, the first column should... (1 Reply)
Discussion started by: evelibertine
1 Replies
4. UNIX for Advanced & Expert Users
Hi
I have multiple files each with two columns and I need to combine all those file into a tab delimited file. (multiple entry with same name separated by a comma)
The content of the files are as follows:
---
file1.txt:
name var1
aaa xx
aaa gg
bbb yy
ddd zz
---
file2.txt
... (8 Replies)
Discussion started by: mary271
8 Replies
5. Shell Programming and Scripting
Hi,
Can anyone suggest quick way to get desired output?
Sample input file content:
A 12 9
A -0.3 2.3
B 1.0 -4
C 34 1000
C -111 900
C 99 0.09
Output required:
A 12 9 -0.3 2.3
B 1.0 -4
C 34 1000 -111 900 99 0.09
Thanks (3 Replies)
Discussion started by: cbm_000
3 Replies
6. UNIX for Dummies Questions & Answers
Hi all,
I'm looking for a way to merge multiple columns (from one file) into a single column in an output file.
The file I have looks somewhat like this:
@HWI-ST212 1:N:0 AGTCCTACCGGGAGT + @@@DDDDDHHHHHII
@HWI-ST212 1:N:0 CGTTTAAAAATTTCT + @;@B;DDDDH?:F;F... (4 Replies)
Discussion started by: Vnguyen
4 Replies
7. Shell Programming and Scripting
Hi All,
I am trying to merge all the text files into one file using below snippet
cat /home/Temp/Test/Log/*.txt >> all.txt
But it seems it is not working.
I have multiple files like Output_ServerName1.txt, Output_ServreName2.txt
I want to merge each file into one single file and... (6 Replies)
Discussion started by: sharsour
6 Replies
8. Shell Programming and Scripting
Hi All,
I have 4 files in below format. I took them as an example.
File 1: Cut from position 1-4 then 6-7 then 8-14 then rest left and make them as columns in one new file. Inserting character H to the initial of all line like HCTOT.
CTOT 456787897 Low fever
CTOR 556712345 High fever... (2 Replies)
Discussion started by: Mannu2525
2 Replies
9. Shell Programming and Scripting
Hi All,
I have on file1 and file2 some,
$cat file1
aaa
bbb
ccc
ddd
eee
fff
ggg
hhh
iii
jjj
with line blank,
and (12 Replies)
Discussion started by: aav1307
12 Replies
10. UNIX for Beginners Questions & Answers
Hi ALL,
I have two file. I need to combine these two file based on a layout.
I used the below code and able to extract the record. But now able to insert that to a 3'rd file in between the extract
FILE 1
CAID NUMBER 1-20
TID NUMBER 21-22
LABEL CHAR 23-44
BASE 45-60... (5 Replies)
Discussion started by: arunkumar_mca
5 Replies
FLOCK(1) User Commands FLOCK(1)
NAME
flock - manage locks from shell scripts
SYNOPSIS
flock [-sxon] [-w timeout] lockfile [-c] command...
flock [-sxon] [-w timeout] lockdir [-c] command...
flock [-sxun] [-w timeout] fd
DESCRIPTION
This utility manages flock(2) locks from within shell scripts or the command line.
The first and second forms wraps the lock around the executing a command, in a manner similar to su(1) or newgrp(1). It locks a specified
file or directory, which is created (assuming appropriate permissions), if it does not already exist.
The third form is convenient inside shell scripts, and is usually used the following manner:
(
flock -n 9 || exit 1
# ... commands executed under lock ...
) 9>/var/lock/mylockfile
The mode used to open the file doesn't matter to flock; using > or >> allows the lockfile to be created if it does not already exist, how-
ever, write permission is required; using < requires that the file already exists but only read permission is required.
By default, if the lock cannot be immediately acquired, flock waits until the lock is available.
OPTIONS
-s, --shared
Obtain a shared lock, sometimes called a read lock.
-x, -e, --exclusive
Obtain an exclusive lock, sometimes called a write lock. This is the default.
-u, --unlock
Drop a lock. This is usually not required, since a lock is automatically dropped when the file is closed. However, it may be
required in special cases, for example if the enclosed command group may have forked a background process which should not be hold-
ing the lock.
-n, --nb, --nonblock
Fail (with an exit code of 1) rather than wait if the lock cannot be immediately acquired.
-w, --wait, --timeout seconds
Fail (with an exit code of 1) if the lock cannot be acquired within seconds seconds. Decimal fractional values are allowed.
-o, --close
Close the file descriptor on which the lock is held before executing command. This is useful if command spawns a child process
which should not be holding the lock.
-c, --command command
Pass a single command to the shell with -c.
-h, --help
Print a help message.
AUTHOR
Written by H. Peter Anvin <hpa@zytor.com>.
COPYRIGHT
Copyright (C) 2003-2006 H. Peter Anvin.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
flock(2)
AVAILABILITY
The flock command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.
util-linux February 2006 FLOCK(1)