1. Accept two filenames from user and store the filenames in two variables (FILE1 and FILE2)
#You can follow the same with your methods.
2. Check if files exisits. If doesn't, then exit'
3. If files exist, look for a particular string in both files
#To check string present or not..
4. If the string exists, then change the filenames (FILE1 and FILE2) to the string that was looked up in the $3
5. If string does not exist, then do nothing
#In above if part do exit
6. Build up another filename (FILE3) which is some combination of FILE1 and FILE2
Hi falks,
I need to substitute in my ksh program, parameter (full path of directory) ,which is sent from outside program, with another parameter (another full path of directory) ,which is known and validated inside my program.
I tried to use "sed" ,but i failed.
For example:
... (2 Replies)
I am trying to set a command into a variable in a csh script using command substituion with ``. I am having a problem with ps command combined with grep. The command is as follows (shows processes running with the word gpts in them).
/usr/ucb/ps axwww | grep gpts
this works fine at the... (2 Replies)
Hi
I have a variable whose value is like this
i=/test/test1/test2/myfile.cd.070505123457
i would like to have the value of myfile.cd stored into another variable
my attempt is
test=${i##*/} ;echo $test ##and i get
myfile.cd.070505123457
since what i wnat is myfile.cd i try this... (19 Replies)
My specific goal: automatically edit a Makefile variable's (EXTRAVERSION)
value in a kernel Makefile.
So, I have a shell script that takes one parameter, a version string:
buildkernel.sh 2.6.18.21.7-custom
In the script, I assign the parameter to K_VER:
K_VER="2.6.18.21.7-custom"... (2 Replies)
hi, i need some help, the situation is this
1-file of variable enviroments
DIR1=/tmp
DIR2=otherdir/mydir
2-file of list of files (all the names references whic variables of first point)
${DIR1}/${DIR2}/onefile
Well now i create a shell script whic... (5 Replies)
Hi,
I have to read a file and translate the contents including substituting the variables if any and write to another file without using sed or awk.
For ex:-
inputfile.txt
-----------
servername=$SERVER
application=$APPL
outputfile.txt
------------
servername=actual server name... (2 Replies)
Hi,
I'm using an array that contains compiler FLAGS
that need to be executed either before ./configure
or after the main 'make' command.
example of array containing compiler flags.
-------------------------------------------------
FLAGS="CFLAGS=\"-arch x86_64 -g -Os -pipe... (7 Replies)
Hello!!
Am trying to substitute the value of a shell variable with the value of another shell variable. The values are obtained into the shell variables through some other processing.
for ex.
i've used the follow sed command..
sed "s/$var1/$var2/g"
i've also tried the other... (5 Replies)
Hi there
I am really struggling :eek: to place a value in a variable with the following loop, having run out of ideas please can someone point me in the right direction?
We first read two PIDs of a program (say calc) into an array, then we loop reading the details of those processes into a... (6 Replies)
Hi
I am setting the variables like this :
setenv MODULE1 modem5__3
setenv MODULE2 modem5__2
setenv MODULE3 modem_ctrl_1_1
setenv MODULE4 modem_1_0
setenv COUNT 10
I am having a bash script as shown below
################################################
#!/bin/bash
for ((... (5 Replies)
Discussion started by: kshitij
5 Replies
LEARN ABOUT X11R4
comm
COMM(1) User Commands COMM(1)NAME
comm - compare two sorted files line by line
SYNOPSIS
comm [OPTION]... FILE1 FILE2
DESCRIPTION
Compare sorted files FILE1 and FILE2 line by line.
When FILE1 or FILE2 (not both) is -, read standard input.
With no options, produce three-column output. Column one contains lines unique to FILE1, column two contains lines unique to FILE2, and
column three contains lines common to both files.
-1 suppress column 1 (lines unique to FILE1)
-2 suppress column 2 (lines unique to FILE2)
-3 suppress column 3 (lines that appear in both files)
--check-order
check that the input is correctly sorted, even if all input lines are pairable
--nocheck-order
do not check that the input is correctly sorted
--output-delimiter=STR
separate columns with STR
--total
output a summary
-z, --zero-terminated
line delimiter is NUL, not newline
--help display this help and exit
--version
output version information and exit
Note, comparisons honor the rules specified by 'LC_COLLATE'.
EXAMPLES
comm -12 file1 file2
Print only lines present in both file1 and file2.
comm -3 file1 file2
Print lines in file1 not in file2, and vice versa.
AUTHOR
Written by Richard M. Stallman and David MacKenzie.
REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report comm translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO join(1), uniq(1)
Full documentation at: <http://www.gnu.org/software/coreutils/comm>
or available locally via: info '(coreutils) comm invocation'
GNU coreutils 8.28 January 2018 COMM(1)