I am attempting to pass a string into awk and loop through it, and then for every occurrance of a certain character perform an action. In this case, for example, echo 1 for each time character r is found in the string. Except I can't get it to work. Could someone please tell me why?
echo... (7 Replies)
#!/usr/bin/ksh
echo Please enter
while read n
do
echo $n >> datafile
done
question:
How can I enject an if statement that if the users enter 0 (zero) the program will exit?
this is what I have but not working
#!/usr/bin/ksh
echo Please enter number
while read n
do
if $n=0
then... (2 Replies)
Hi,
Again a little problem.
Do not understand good why an empty string is not detected.
Here is the program:
#!/bin/ksh
APR=`date | grep Apr | awk '{print $2$3}'`
MAY=`date | grep May | awk '{print $2$3}'`
JUN=`date | grep Jun | awk '{print $2$3}'`
echo "Variable Apr has value:... (6 Replies)
Hello I am very new to shell and I bought some books and trying to learn it. I started trying to write a script that will take a number and count it down to 1 with commas in between. This number can only be one argument. If lower than one or higher than one argument it sends an error message. ... (4 Replies)
I need to match multiple values in a single column in a file:
example:
Source file:
abd,123,one
def,232,two
ghi,987,six
Target file:
12345,abcde,123
09876,zxvyr,566
56789,lmnop,232
Variable:
var1=`grep 2 sourcefile | awk '{print$1}'
essentially, echo "$var1" would read:... (2 Replies)
Hi,
I'm a rookie who is trying to learn this stuff. What I need help with is putting together a non complicated "while" loop within the below "if" statement. I also need the while loop to keep looping until the user types a key to end the loop. Please reveal the proper insertion points. Thank... (4 Replies)
Hi I am trying to create a table within an awk if statement
awk -F, '{ if ($8 ~ /Match/)
BEGIN{print "<table>"} {print "<tr>";for(i=1;i<=NF;i++)print "<td>" $i"</td>";print "</tr>"} END{print "</table>"}' SN1.csv | mailx -s "Your details" abc@123.com
But this doesnt work..
Please suggest (8 Replies)
Table TAB1 contains following example data (its a tree sitting in table data format & its driven based CHILD & PARENT column pick the RULE condition to generate the below SQL:
CHILD PARENT SS MID MNM VNM RULE FLG
1 ? S1 ? ? V1 rule004 I
2 1 S1 ? ? V1 0 Z
3 1 S1 ? ? V1 1 Z ... (6 Replies)
Hello Frens,
I am a newbie to shell scripting. I need a help on creating a for loop script (shell script) for removing files. I have a table called a_table with column name fil_name which contains all the files that need to be removed.
Thank you in advance (6 Replies)
I have created one file that contains all the necessary info in it to create a download link. In each of the lines /results/analysis/output/Home/Auto_user_S5-00580-6-Medexome_67_032/plugin_out/FileExporter_out.67... (8 Replies)
Discussion started by: cmccabe
8 Replies
LEARN ABOUT SUSE
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.
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 lines unique to FILE1
-2 suppress lines unique to FILE2
-3 suppress 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
--help display this help and exit
--version
output version information and exit
AUTHOR
Written by Richard M. Stallman and David MacKenzie.
REPORTING BUGS
Report comm bugs to bug-coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
COPYRIGHT
Copyright (C) 2009 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
The full documentation for comm is maintained as a Texinfo manual. If the info and comm programs are properly installed at your site, the
command
info coreutils 'comm invocation'
should give you access to the complete manual.
GNU coreutils 7.1 July 2010 COMM(1)