10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Sorry if this has been answered. I did search both Google and this site and did find this post: unix.com/unix-dummies-questions-answers/152992-how-ignore-errors-script.html
However, it wasn't answered.
I have the same question - how do you prevent a tcsh script from terminating when the... (4 Replies)
Discussion started by: deepstructure
4 Replies
2. Shell Programming and Scripting
Hello,
I found that this foreach should work with two lists (source: Wikipedia.org)
foreach i {1 2 3} j {a b c} { puts "$i $j"}
==
I try smth. like:
With two text files:
first.part
second.part
foreach first (`cat first.part`) second (`cat second.part`)
toolcommand $first... (22 Replies)
Discussion started by: unknown7
22 Replies
3. Shell Programming and Scripting
So I am new to unix, and actually anything outside drag and drop with the mouse (been learning for about a week so far) . I have been using the foreach command in tcsh because I am working on a group of files. Basically what I need is to insert part of the filename as the first line in the file.... (0 Replies)
Discussion started by: thepolypore
0 Replies
4. Shell Programming and Scripting
I have a simple csh script that has a simple foreach loop that goes over numbers, from 1 to 10:
foreach n(1 2 3 4 5 6 7 8 9 10)
...
end
Now I want to expand the script to work on over a hundred consecutive n values. Obviously, typing all the numbers between 1 to 100 is an unreasonable... (7 Replies)
Discussion started by: mcbenus
7 Replies
5. UNIX for Dummies Questions & Answers
OK, so I am extremely rusty and am just getting back to Unix after 9 years.
I'm stuck on something easy. I want to search line-by-line for a string in a file, and I want to do this to a series of files in a directory.
This works fine to do the search:
while read i; do grep $i file2; done... (3 Replies)
Discussion started by: moldoverb
3 Replies
6. Shell Programming and Scripting
I want to search line-by-line for a string in a file, and I want to do this to a series of files in a directory. I'm doing this in tcsh
This works fine to do the search:
while read i; do grep $i file2; done <file1.txt
This also works fine to read a directory:
foreach file ('/bin/ls... (1 Reply)
Discussion started by: moldoverb
1 Replies
7. Shell Programming and Scripting
Hi everyone
Does anyone know what is wrong with this script. i keep getting errors
foreach filename (`cat testing1`)
set string=$filename
set depth=`echo "$string"
echo $depth
end
the error is the following
testing: line 1: syntax error near unexpected token `('
testing: line 1:... (3 Replies)
Discussion started by: ROOZ
3 Replies
8. Shell Programming and Scripting
Hi Guys,
I have a loop which uses a wildcard
i.e. foreach f (*)
but when I execute the tcsh file in unix then it gives me an error
->>>>>>>foreach: words not parenthesized<<<<<<<<<<-
Any help. (1 Reply)
Discussion started by: abch624
1 Replies
9. Shell Programming and Scripting
What am I doing wrong with this foreach loop?
foreach var ($argv)
@sum = $sum + $var (4 Replies)
Discussion started by: haze21
4 Replies
10. Shell Programming and Scripting
Hi,
I'm having a small issue here and I can't get it to work. I'm programming a script for bash and I need to do something to all the folder in a directory. So I'm in the directory and I want to use the foreach statement but I dont know how to reference all the folders of that directory. To make... (7 Replies)
Discussion started by: eltinator
7 Replies
SU(1) FSF SU(1)
NAME
su - run a shell with substitute user and group IDs
SYNOPSIS
su [OPTION]... [-] [USER [ARG]...]
DESCRIPTION
Change the effective user id and group id to that of USER.
-, -l, --login
make the shell a login shell
-c, --commmand=COMMAND
pass a single COMMAND to the shell with -c
-f, --fast
pass -f to the shell (for csh or tcsh)
-m, --preserve-environment
do not reset environment variables
-p same as -m
-s, --shell=SHELL
run SHELL if /etc/shells allows it
--help display this help and exit
--version
output version information and exit
A mere - implies -l. If USER not given, assume root.
AUTHOR
Written by David MacKenzie.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
The full documentation for su is maintained as a Texinfo manual. If the info and su programs are properly installed at your site, the com-
mand
info su
should give you access to the complete manual.
su (coreutils) 4.5.3 February 2003 SU(1)