07-04-2018
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I am trying to compare 2 float values using if
the foll code does not work
a=1.4
b=1.6
if test $a -gt $b
then
echo "$a is max"
else
echo "$b is max"
fi
does -gt work for floating point numbers, if not how do go about for my requirement? can i use bc ? pls help
thanks in advance... (2 Replies)
Discussion started by: kavitha
2 Replies
2. Shell Programming and Scripting
Im trying to create a utility that can do unit conversions using a seperate formula file(one which i can add conversions to at a later date). however i'm stuck when it comes to pulling the formulas out of the formula file for use in the script.
heres a rundown of what the script does.
The... (4 Replies)
Discussion started by: Master Error
4 Replies
3. Shell Programming and Scripting
Hello all
while writing a small script , i got stuck with this simple thing.Hope you guyz can help.
Iam trying to read password
echo"enter password"
read $pwd
now i have to check this
echo"enter password to proceed"
read $pwd
now i have to check both the values of the... (2 Replies)
Discussion started by: coolkid
2 Replies
4. Shell Programming and Scripting
i have two file and i am comparing both..
in cmp1 ,the content is :
the nu of file is : <some integer value>
in cmp2 ,the content is :
the nu of file is :
so want a script which will take value (2) when cmp1 is compared with cmp2..
i mean cmp cmp1 cmp2 the the output will be
he nu of... (1 Reply)
Discussion started by: Aditya.Gurgaon
1 Replies
5. Shell Programming and Scripting
Hi to all,
I have the following text within inputfile
data1,value1,value2
data1,value3,value2
data1,value5,value6
data2,value1,value2
data2,value3,value4
data3,value1,value2
data3,value3,value4
data4,value1,value2
data4,value3,value4
data4,value5,value6
I would like to... (4 Replies)
Discussion started by: cgkmal
4 Replies
6. Shell Programming and Scripting
Hi,
I am stuck with extracting values by combining 2 dynamically extracted values.
The code goes like this
#!/usr/bin/ksh
ID1="abcd"
i=1 #this is a dynamic value and keeps on changing
b="ID" #this is static
now i want the value of ID1 variable.
like echo $b$i
But echo... (1 Reply)
Discussion started by: chaitanyapn
1 Replies
7. Shell Programming and Scripting
Hi,
I need to get the value of 'uid' from a line in file f1. For example, in the line below, I need to get the value '150', from the 'anonuid=150' key, and I need to verify that this is a valid uid by checking it against /etc/passwd (i.e) I want to compare this uid, 150 (or more if there are any... (2 Replies)
Discussion started by: royalibrahim
2 Replies
8. Shell Programming and Scripting
I have 2 text files say file1.txt and file2.txt . Some of the sample records for file1.txt were shown below:
XXXXX12345XXXXXXX12 3456789YYYYY
XXXXXXXXXX12345XX123457485YYYYY
XX12345XXXXXXXXXX123454658YYYYY
for file2.txt, some of the sample records were shown below:
... (5 Replies)
Discussion started by: bobby1015
5 Replies
9. Shell Programming and Scripting
Hi
Am trying to compare the values of two files..
One is a big file that has many values and the other is a small file..
The big file has all values present in small file..
# cat SmallFile
4456602 22347881
7471282 15859891
8257690 21954701
7078068 18219229
2883826 6094959
100000
... (3 Replies)
Discussion started by: Priya Amaresh
3 Replies
10. Shell Programming and Scripting
Hi,
I have two files with values in both.
File1:
cat 2 3
dog 4 5
elephant 6 7
camel 2 3
File2:
----+--gkf;ajf=
---+----
+----- cat -------=----+ 3 | 4 ----- dog ------++-- 5 | 9 ----++-- elephant |
5 | 7
---++ camel ------ ++++_---- || 8 | 9
I want the final file as:
cat 4... (1 Reply)
Discussion started by: npatwardhan
1 Replies
UNIQ(1) FSF UNIQ(1)
NAME
uniq - remove duplicate lines from a sorted file
SYNOPSIS
uniq [OPTION]... [INPUT [OUTPUT]]
DESCRIPTION
Discard all but one of successive identical lines from INPUT (or standard input), writing to OUTPUT (or standard output).
Mandatory arguments to long options are mandatory for short options too.
-c, --count
prefix lines by the number of occurrences
-d, --repeated
only print duplicate lines
-D, --all-repeated[=delimit-method] print all duplicate lines
delimit-method={none(default),prepend,separate} Delimiting is done with blank lines.
-f, --skip-fields=N
avoid comparing the first N fields
-i, --ignore-case
ignore differences in case when comparing
-s, --skip-chars=N
avoid comparing the first N characters
-u, --unique
only print unique lines
-w, --check-chars=N
compare no more than N characters in lines
--help display this help and exit
--version
output version information and exit
A field is a run of whitespace, then non-whitespace characters. Fields are skipped before chars.
AUTHOR
Written by Richard Stallman and David MacKenzie.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc.
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
The full documentation for uniq is maintained as a Texinfo manual. If the info and uniq programs are properly installed at your site, the
command
info uniq
should give you access to the complete manual.
uniq (coreutils) 4.5.3 February 2003 UNIQ(1)