10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I have a file that includes strings with special characters, eg
file1
line: 1 - special 1
line: = 4
line; -3
etc
How can I grep the lines of file1 from file2, line by line?
I used fgrep and egrep to grep a particular line and worked fine, but when I used:
cat file1|while read line;do... (2 Replies)
Discussion started by: FelipeAd
2 Replies
2. Shell Programming and Scripting
Dear All,
I want search two lines and append some string in between these lines.
Input file
tmp,123
,10:123
tmp,666
,50:999
tmp,2:19800
5,3:21.
tmp,2:19800
55555555
tmp,2:19800
5,3:21.Output should be
tmp,123
,10:123
tmp,666
,50:999
tmp,2:19800 (4 Replies)
Discussion started by: arvindng
4 Replies
3. Shell Programming and Scripting
hi all , i have a requirement like this..
this just a sample script...
$ cat test.sh
#!/bin/bash
perl -e '
open(IN,"addrss");
open(out,">>addrss");
@newval;
while (<IN>)
{
@col_val=split(/:/);
if ($.==1)
{
for($i=0;$i<=$#col_val;$i++)
{
... (2 Replies)
Discussion started by: tprayush
2 Replies
4. Shell Programming and Scripting
Hello,
I do not know why the output from these two methods differs. One method retains the newlines, the other method appears to ignore or lose the newlines.
Writing a file with the redirection operator:
egrep -e 'matchstring' infile.txt > outfile.txt
The resulting outfile.txt contains... (3 Replies)
Discussion started by: duderonomy
3 Replies
5. Shell Programming and Scripting
Hello,
I am not a programmer, please be patient.
Actually, I have started to look into Perl because it seems to be able to solve all the problems (or most of them) I happen meet using my computer. These problems are generally all text-manipulation-related.
Although I started to study, I cannot... (6 Replies)
Discussion started by: ahsog
6 Replies
6. Shell Programming and Scripting
Hi I'm new to sed, and need to add characters into a specific location of a file, the fileds are tab seperated.
text <tab> <tab> text <tab> text EOL
I need to add more characters to the line to look like this:
text <tab> <tab> newtext <tab> text <tab> text EOL
Any ideas? (2 Replies)
Discussion started by: tangentviper
2 Replies
7. Shell Programming and Scripting
I know this should be simple, but I've been manning sed awk grep and find and am stupidly stumped :(
I'm trying to use sed (or awk, find, etc) to find 4 characters on the second line of a file.txt 44-47 characters in. I can find lots of sed things for lines, but not characters. (4 Replies)
Discussion started by: unclecameron
4 Replies
8. Shell Programming and Scripting
Hey gang,
I have:
XXZZXXZZXX 123 asdaffggh dfghyrgr ertyhdhh XXZZXXZZXX 234 sdg XXZZXXZZXX 456 gfg fggfd
That is all on one line. Very simply put I want to do is something like:
sed s'/XXZZXXZZXX /\n/g'
or
tr 'XXZZXXZZXX ' '/n'
I have tried various things but can never get the desired... (6 Replies)
Discussion started by: crowman
6 Replies
9. Shell Programming and Scripting
Hello -
I have a file that has the something like the following :
REM CREATE TABLE lots of text
REM table specifc creation text ;
REM ALTER TABLE lots of text
REM text specific to the the alter command
REM could be more lines of text;
What I need is to get all the lines for the ALTER... (2 Replies)
Discussion started by: Feliz
2 Replies
10. Shell Programming and Scripting
hi
i want to open a file at runtime
append few chars at the end of each line
all these i want to have done automatically
how to do it (2 Replies)
Discussion started by: trichyselva
2 Replies