10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Can anyone please assist?
I have a .txt file(File1.txt) and a property file(propertyfile.txt) . I have to read the vales from the property file and .txt file and create the output file(outputfile.txt) mentioned in the attachment. For each record in .txt file,the below mentioned values shall be... (20 Replies)
Discussion started by: vinus
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2. Shell Programming and Scripting
I am compiling a fortran program using gfortran and the result looks as below
I want to write a bash or awk script that will scan the information and output
only problems within a range of line numbers
Example: If I specify the file createmodl.f08, start line 1000 and end line 1100, I will... (8 Replies)
Discussion started by: kristinu
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3. UNIX for Dummies Questions & Answers
Hi,
I'd like to swap the columns 1 and 2 of a space-delimited text file but only for the first 1000 rows. How do I go about doing that? Thanks! (1 Reply)
Discussion started by: evelibertine
1 Replies
4. Shell Programming and Scripting
Hi,
I have a file like this
a b c
d e f
g h i
j k l
Case1:
I want to transpose the whole file
Output1
a d g j
b e h k
c f i l
Case2
Transpose a specific column - Say 3rd (6 Replies)
Discussion started by: jacobs.smith
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5. Shell Programming and Scripting
Hello. I was wondering if anyone could help. I have a file containing a large table in the format:
marker1 marker2 marker3 marker4
position1 position2 position3 position4
genotype1 genotype2 genotype3 genotype4
with marker being a name, position a numeric... (2 Replies)
Discussion started by: davegen
2 Replies
6. Shell Programming and Scripting
I need to automate a weekly process of piping a directory list to a csv file. Normally I do
ls -l > files_04182010.csv (04182010 being the date..)
Can someome show me how I would script this, so that when the script is ran it grabs the current date and formats it and allows me to use that... (8 Replies)
Discussion started by: jeffs42885
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7. Shell Programming and Scripting
HELLO! This is my first post here! By the way, I think it is great that people do this.
My question:
I have two files, one is a .dilm and one is a .txt. It is my understanding that the .dilm file can be treated as a .txt file. I wrote another program where I was able to manipulate it as if it... (3 Replies)
Discussion started by: mehdib
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8. Shell Programming and Scripting
Hi,
How can I grep a record for a value based on specific column.
If I simply do a grep 'AB' FilenName.txt, I might end up getting the records returned whose part of value is 'AB'.
But I want it specific to second column.
cut -d'|' -f 2 FileName.txt | grep 'AB'
But now it will return... (1 Reply)
Discussion started by: deepakwins
1 Replies
9. Shell Programming and Scripting
Hi I am Newbie to Unix.Appreciate Help from forum
user would loada b.Csv File(Below example) in /data/m/ directory.Program need to read the b.csc to extract certain column and create a new file /data/d/ directory as csv file with new name.
User File Format
1232,samshouston,12345... (3 Replies)
Discussion started by: skywayterrace
3 Replies
10. Shell Programming and Scripting
Hi Friends,
I want to delete specific columns from a file.
Say my file content is as follows:
"1","a","ww1",1234"
"2","b","wwr3","2222"
"3","c","erre","3333"
Now i want to delete the column 2 and 4 from this file.
That is I want the file content to be:
"1","ww1"
"2","wwr3"... (11 Replies)
Discussion started by: premar
11 Replies
cut(1) General Commands Manual cut(1)
Name
cut - cut out selected fields of each line of a file
Syntax
cut -clist [file1 file2...]
cut -flist [-dchar] [-s] [file1 file2...]
Description
Use the command to cut out columns from a table or fields from each line of a file. The fields as specified by list can be fixed length,
that is, character positions as on a punched card (-c option), or the length can vary from line to line and be marked with a field delim-
iter character like tab (-f option). The command can be used as a filter. If no files are given, the standard input is used.
Use to make horizontal ``cuts'' (by context) through a file, or to put files together in columns. To reorder columns in a table, use and
Options
list Specifies ranges that must be a comma-separated list of integer field numbers in increasing order. With optional - indicates
ranges as in the -o option of nroff/troff for page ranges; for example, 1,4,7; 1-3,8; -5,10 (short for 1-5,10); or 3- (short
for third through last field).
-clist Specifies character positions to be cut out. For example, -c1-72 would pass the first 72 characters of each line.
-flist Specifies the fields to be cut out. For example, -f1,7 copies the first and seventh field only. Lines with no field delim-
iters are passed through intact (useful for table subheadings), unless -s is specified.
-dchar Uses the specified character as the field delimiter. Default is tab. Space or other characters with special meaning to the
shell must be quoted. The -d option is used only in combination with the -f option, according to XPG3 and SVID2/SVID3.
-s Suppresses lines with no delimiter characters. Unless specified, lines with no delimiters are passed through untouched.
Either the -c or -f option must be specified.
Examples
Mapping of user IDs to names:
cut -d: -f1,5 /etc/passwd
To set name to the current login name for the csh shell:
set name=`who am i | cut -f1 -d" "`
To set name to the current login name for the sh, sh5, and ksh shells:
name=`who am i | cut -f1 -d" "`
Diagnostics
"line too long" A line can have no more than 511 characters or fields.
"bad list for c/f option"
Missing -c or -f option or incorrectly specified list. No error occurs if a line has fewer fields than the list calls
for.
"no fields" The list is empty.
See Also
grep(1), paste(1)
cut(1)
