10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
so its common knowledge one can print multiple fields with simple commands like this:
echo 12 44 45 552 24 | awk '{print $1,$4,$3}'
but suppose i want to avoid specifying the "$" symbol. is that possible? can something like this be done:
echo 12 44 45 552 24 | awk '{print $(1,4,3)}'
... (9 Replies)
Discussion started by: SkySmart
9 Replies
2. Shell Programming and Scripting
Hello, I have the following input file:
1 3 3 2
3 3 4 0
4 0 5 4
5 2 2 0
5 3 4 0
6 0 3 2
I am trying to remove all zeroes in fields 2 and 4 and replace them with "1's"
I tried the following, but it's not working
awk -F"\t" '{ if (($2==0) || ($4==0) $2=1; $4=1; print $0 ) }' input
... (8 Replies)
Discussion started by: Rabu
8 Replies
3. Shell Programming and Scripting
Code:
Using ksh
Var1=`awk -F";" {print $1}' Input2.txt`
cat Input1.txt | awk -F";" '{$3="Var1"}' > Output.txt (13 Replies)
Discussion started by: Roozo
13 Replies
4. Shell Programming and Scripting
Hi,
I am trying to execute this line
awk -F ";" -v OFS=";" '{gsub(/\./,",",$6); print}' FILE
but for multiple fields $6 $7 $8
Do you have a suggstion?
Tried:
awk -F ";" -v OFS="";"" "function GSUB( F ) {gsub(/\./,\",\",$F); print} { GSUB( 6 ); GSUB( 7 ); GSUB( 8 ) } 1"... (2 Replies)
Discussion started by: nakaedu
2 Replies
5. Shell Programming and Scripting
Hey guys. I know pratically 0 about Linux, so could anyone please give me instructions on how to accomplish this ?
The distro is RedHat 4.1.2 and i need to find and replace a multiple lines string in several php files across subdirectories.
So lets say im at root/dir1/dir2/ , when i execute... (12 Replies)
Discussion started by: spfc_dmt
12 Replies
6. Shell Programming and Scripting
Need some code tweak:
awk 'END {
for (i=1; i<=n; i++)
if (f2])
print f2]
}
NR == FNR {
f2 = $1] = $0
next
}
$1 in f2 {
delete f2
}1' FS=, OFS=, 2.csv 1.csv > 3.csvfile 1.csv have:
$1,$2,$3,$4,$5,$6,$7,$8,$9......
file 2.csv have:
$1,$2,$3,$4,$5,$6 (2 Replies)
Discussion started by: u10
2 Replies
7. Shell Programming and Scripting
I have a pipe delimited file with 27 fields. Each record has 26 fields. I need to search for the 25,26,27 fields and replace "," with nothing.
How can I acheive this. Sed is more preferred.
e.g
data row
o/p (5 Replies)
Discussion started by: dsravan
5 Replies
8. Shell Programming and Scripting
I need to print the second field of a file, taking spaces, tab and = as field separators.
; for 16-bit app support
MAPI=1
CMC=1
CMCDLLNAME32=mapi32.dll
CMCDLLNAME=mapi.dll
MAPIX=1
MAPIXVER=1.0.0.1
OLEMessaging=1
asf=MPEGVideo
asx=MPEGVideo
ivf=MPEGVideo
m3u=MPEGVideo (2 Replies)
Discussion started by: PamPam
2 Replies
9. Shell Programming and Scripting
Hi
I use the following code to replace ‘.' with ‘N' in my files and keep both versions.
awk '{ gsub(/\./,"N"); print }' file_0001.txt > path/to/new/dir/file_0001.txt
I need help on how to apply the code to 100 files instead of doing them one file at a time. The files are labeled... (7 Replies)
Discussion started by: jdhahbi
7 Replies
10. UNIX for Dummies Questions & Answers
hello.
I'm somewhat a novice here so please be patient. My stumbling block when loading csvs into ORACLE tables is this:
I need to read a csv datafile, check several fields in each line, and if any of stated fields contain A ZERO only then replace it with a null/blank character.
I had a... (9 Replies)
Discussion started by: MrCarter
9 Replies