10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
Need to replace last field in a file(/etc/passwd) ,if first filed matches with particular username.
Scenario:
cat testfor1
deekshi:x:7082:7082::/home/deekshi:/bin/bash
harini1:x:7083:7083::/home/harini1:/bin/bash
Here,if first field contains "deekshi", then i should replace... (4 Replies)
Discussion started by: Sumanthsv
4 Replies
2. Shell Programming and Scripting
Hi,
In a csv file, I want to select records where first column has zero or multiple spaces.
Eg: abc.csv
,123,a
,22,b
,11,c
a,11,d
So output should be:
,123,a
,22,b
,11,c
Please advise (5 Replies)
Discussion started by: vegasluxor
5 Replies
3. Shell Programming and Scripting
I have a fileA with one column (1000 rows), and fileB with 26 columns(13000 rows).
I need to search each value of fileA with fileB and return all the 26 values from FileB to a new file- File C if matches. The search value (from FileA) may present in any of the 26 values in FileB. This value is not... (7 Replies)
Discussion started by: vamsikrishna928
7 Replies
4. Shell Programming and Scripting
hi,
i have a text file with some fields.
file.txt
aaa|bbb|ccc|1-sh|2-sh|5-sh
ddd|eee|fff|1-sh|4-sh
i am selecting a line using grep command using the combination of 1st 3 column.
grep "aaa|bbb|ccc" file.txt
output:
aaa|bbb|ccc|1-sh|2-sh|5-sh
now i want to cut a field from this... (5 Replies)
Discussion started by: Little
5 Replies
5. Shell Programming and Scripting
Hi ,
Im new to uxin environment and shell scripting....
please help me with the code for the following scenario.....
file 1 contains the following fields
abc 200 rupee IND
cdf 400 dollar USA
efg 300 euro GER
hij 600 pound ENG
file 2
SBI abc 321 dollar CANAD
kvr mnd ... (6 Replies)
Discussion started by: shivaji_veer
6 Replies
6. Shell Programming and Scripting
Hi all,
I have a requirement to replace a field with a character as per the length of the field.
Suppose i have a file where second field is of 20 character length. I want to replace second field with 20 stars (*). like ********************
As the field is not a fixed one, i want to do the... (2 Replies)
Discussion started by: gani_85
2 Replies
7. Shell Programming and Scripting
i have something like this,
cat filename.txt
hui this si s"dfgdfg" omeone ipaddress="10.19.123.104" wel hope this works
i want to replace only 10.19.123.104 with different ip say 10.19.123.103
i tried this
sed -i "s/'ipaddress'/'ipaddress=10.19.123.103'/g" filename.txt
... (1 Reply)
Discussion started by: vivek d r
1 Replies
8. Shell Programming and Scripting
How can I use single quotes as field separator in awk? (1 Reply)
Discussion started by: locoroco
1 Replies
9. Shell Programming and Scripting
Hi I want to replace single quote with two single quotes in a perl string.
If the string is <It's Simpson's book> It should become <It''s Simpson''s book> (3 Replies)
Discussion started by: DushyantG
3 Replies
10. Shell Programming and Scripting
I'm running a bash script query and assigning the output to a variable like this:
exists=`mysql -u $USER_NAME --password=$PASSWORD -D "somedb" \
-e "SELECT * FROM somedb.sometable WHERE field1 ='$a' \
AND field2 ='$b' LIMIT 0 , 30";`
which returns something like:
echo... (2 Replies)
Discussion started by: unclecameron
2 Replies