Hi,
i'm programming on /bin/csh and i need to get the number extracted by this:
set ppl_kn = $(awk '{ field = $6 } ; END{ print field }' < ppl_LM_kn.ppl )
and the output is: "Illegal variable name."
Please anyone can help me what's wrong?
Thanks in advance (2 Replies)
Hi,
Please clarify what is the difference between "env" and "set" command.
I guess set will display the system variables and user defined variables.
Thanks
Sweta (1 Reply)
Hi
I am using "trap" command in my script to prevent the user from running Ctrl-C during the its execution. My script creates number of children processes which in turn create some children processes as well during the execution.
When user / tester tries to run Ctrl-C, the parent process is... (1 Reply)
Imagine a user-defined function.
func() { /usr/pkg/bin/program long-string-of-switches-and-configs "$@" ;}
I execute it once. Then background it.
I execute another instance. Then bg it.
func unique-user-input
^Z
func unique-user-input
^Z
First I view with ps
ps wwaux
... (0 Replies)
I have these two files in current dir:
oos.txt
oos_(copy).txt
I execute this find command:find . -regex './oos*.txt'And this outputs only the first file (oos.txt)! :confused:
Only if I add another asterisk to the find find . -regex './oos*.*txt' do I also get the second file... (7 Replies)
Hi,
I have line in input file as below:
3G_CENTRAL;INDONESIA_(M)_TELKOMSEL;SPECIAL_WORLD_GRP_7_FA_2_TELKOMSEL
My expected output for line in the file must be :
"1-Radon1-cMOC_deg"|"LDIndex"|"3G_CENTRAL|INDONESIA_(M)_TELKOMSEL"|LAST|"SPECIAL_WORLD_GRP_7_FA_2_TELKOMSEL"
Can someone... (7 Replies)
Hi,
Suppose if I have a file having data like this:
$ cat file.txt
A
B C
D
And, if I do a cut operation like this:
$ cut -d" " -f2 file.txt
The output is
A
C
D
This is the same for even if we try to get the field 3 with -f3 (assume line 2 has 3 fields : C E F).
The above... (1 Reply)
Look at the following data file(cou.data) which has four fields separated by tab.
Four fields are country name, land area, population, continent where it belongs.
As for country name or continent name which has two words, two words are separated by space.
(Data are not accurately... (1 Reply)
I've found this script part on the stackoverflow:
if ; then
sudo bash "$0" "$@";
exit "$?";
fi
I realized that sudo bash "$0" "$@"; is the only needed for me.
But the strange thing happens when I move this line outside the IF statement:
sudo bash "$0" "$@"; stops the... (9 Replies)
Hello.
System : opensuse leap 42.3
I have a bash script that build a text file.
I would like the last command doing :
print_cmd -o page-left=43 -o page-right=22 -o page-top=28 -o page-bottom=43 -o font=LatinModernMono12:regular:9 some_file.txt
where :
print_cmd ::= some printing... (1 Reply)
Discussion started by: jcdole
1 Replies
LEARN ABOUT MOJAVE
echo
ECHO(1) BSD General Commands Manual ECHO(1)NAME
echo -- write arguments to the standard output
SYNOPSIS
echo [-n] [string ...]
DESCRIPTION
The echo utility writes any specified operands, separated by single blank (' ') characters and followed by a newline ('
') character, to the
standard output.
The following option is available:
-n Do not print the trailing newline character. This may also be achieved by appending 'c' to the end of the string, as is done by iBCS2
compatible systems. Note that this option as well as the effect of 'c' are implementation-defined in IEEE Std 1003.1-2001
(``POSIX.1'') as amended by Cor. 1-2002. Applications aiming for maximum portability are strongly encouraged to use printf(1) to sup-
press the newline character.
Some shells may provide a builtin echo command which is similar or identical to this utility. Most notably, the builtin echo in sh(1) does
not accept the -n option. Consult the builtin(1) manual page.
EXIT STATUS
The echo utility exits 0 on success, and >0 if an error occurs.
SEE ALSO builtin(1), csh(1), printf(1), sh(1)STANDARDS
The echo utility conforms to IEEE Std 1003.1-2001 (``POSIX.1'') as amended by Cor. 1-2002.
BSD April 12, 2003 BSD