I wonder if any body can help me with a command i am struggling with. I have a file with around 400 lines in, in a program i have it pulls out each line at a time so that data from the line can be cross referenced with another file. If it finds a match it pulls out a ocde from the second file, this... (5 Replies)
Hello everyone,
This is Rameshreddy. I like this forum and its nice to share everyone's experience here and one can learn a lot from here. Appreciate the moderators especially.
Coming to my question i have 2 files and i want to paste them with specific number of tabs as delimiters... (4 Replies)
Hi.
I have an interesting problem and i couldn't find out the solution.
I have two variables in which there are a lot of lines finished by \n. I would like to concatenate this two variables into one in this format:
var1var2
var1var2
.
.
.
I could do this simply by command paste but it works... (32 Replies)
I have a file which contains 3 fields separated by tabs example
andrew kid baker
I need to swap kid and baker using cut and paste commands how is this to be done?
Thanks (1 Reply)
Hello. I've made a simple script which asks the user to input a hash and then runs a command that replaces the variable $hash with what the user inserted. The ting is that when the programm asks for input I can't paste anything there..! any clues?? :wall: (8 Replies)
I'm trying to combine text files without a space. So if i use the paste command
paste file1 file2 file3 > file4
the new file created has spacing between the contents of the once individual files. Is there some trick I can do with a delimiter that removes the spaces.. like paste -d'' or... (1 Reply)
let i have A file and B file
A has contains 4 fields as below
----------------
f1 f2 f3 f4
B file consists of 5 fields as below
--------------------
f5 f6 f7 f8 f9
need to display as below output:
f5 f1 f3 f8 f9 (2 Replies)
Hi,
I was trying to concatenate some files using paste command along with some formatting but getting stuck.
The problem is:
cat 1.txt
A
cat 2.txt
B
C
cat3.txt
D
E
cat 4.txt
G
H (5 Replies)
Hi,
I am facing issue with paste command. It is adding spaces or tab in between.
I have say 3 files with below data
File_1
TH
THI
THIS I
File_2
IS IS
S IS RE
S
File_3
RECORD 1
CORD 2
IS RECORD 3 (3 Replies)
Discussion started by: Simanto
3 Replies
LEARN ABOUT SUSE
gets
gets(n) Tcl Built-In Commands gets(n)
__________________________________________________________________________________________________________________________________________________NAME
gets - Read a line from a channel
SYNOPSIS
gets channelId ?varName?
_________________________________________________________________DESCRIPTION
This command reads the next line from channelId, returns everything in the line up to (but not including) the end-of-line character(s), and
discards the end-of-line character(s).
ChannelId must be an identifier for an open channel such as the Tcl standard input channel (stdin), the return value from an invocation of
open or socket, or the result of a channel creation command provided by a Tcl extension. The channel must have been opened for input.
If varName is omitted the line is returned as the result of the command. If varName is specified then the line is placed in the variable
by that name and the return value is a count of the number of characters returned.
If end of file occurs while scanning for an end of line, the command returns whatever input is available up to the end of file. If chan-
nelId is in nonblocking mode and there is not a full line of input available, the command returns an empty string and does not consume any
input. If varName is specified and an empty string is returned in varName because of end-of-file or because of insufficient data in non-
blocking mode, then the return count is -1. Note that if varName is not specified then the end-of-file and no-full-line-available cases
can produce the same results as if there were an input line consisting only of the end-of-line character(s). The eof and fblocked commands
can be used to distinguish these three cases.
EXAMPLE
This example reads a file one line at a time and prints it out with the current line number attached to the start of each line.
set chan [open "some.file.txt"]
set lineNumber 0
while {[gets $chan line] >= 0} {
puts "[incr lineNumber]: $line"
}
close $chan
SEE ALSO
file(n), eof(n), fblocked(n), Tcl_StandardChannels(3)KEYWORDS
blocking, channel, end of file, end of line, line, nonblocking, read
Tcl 7.5 gets(n)