Sponsored Content
Full Discussion: "$?1 || $<" in csh
Top Forums UNIX for Dummies Questions & Answers "$?1 || $<" in csh Post 302409836 by phil518 on Friday 2nd of April 2010 06:45:08 PM
Old 04-02-2010
"$?1 || $<" in csh

Hi:

I am trying to create an alias that takes an argument, but if the argument is missing, gets it from the STDIN. so something like this:

alias foo ' dosomething $?1 || $<'

But obviously it does not work.

What is the typical way to achieve that?

Thanks.

newbie Phil
 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

ksh "while" loop within a csh script

I'm no unix pro for sure, but I have programmed enough other languages to usually get the job done in unix when I have to. I'm currently trying to automate a manual diagnostic process. One of the steps in the manual process generates a file of text output. The next step is running a small... (4 Replies)
Discussion started by: bschnair
4 Replies

2. Shell Programming and Scripting

Exactly How can we define "sh ksh csh &bash"

Hi - I m prashant. I m new in UNIX&LINUX world. I want to ask that how can we define the shell in Linux like bash,ksh,csh in Linux. What is the use of these shells. I know there are mny experts on net if you can tell me then please do me this favour and tell me about this topic. ... (1 Reply)
Discussion started by: prashantsingh
1 Replies

3. UNIX for Dummies Questions & Answers

Explain the line "mn_code=`env|grep "..mn"|awk -F"=" '{print $2}'`"

Hi Friends, Can any of you explain me about the below line of code? mn_code=`env|grep "..mn"|awk -F"=" '{print $2}'` Im not able to understand, what exactly it is doing :confused: Any help would be useful for me. Lokesha (4 Replies)
Discussion started by: Lokesha
4 Replies

4. Shell Programming and Scripting

awk command to replace ";" with "|" and ""|" at diferent places in line of file

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)
Discussion started by: shis100
7 Replies

5. Shell Programming and Scripting

(CSH basic construct) "@" query

While going through a script, i came across few syntax which I am not aware of what they exactly means. @ cnt = 1 @ num_all = `echo $var` What is the significance of "@" here. What is it called? (3 Replies)
Discussion started by: animesharma
3 Replies

6. Shell Programming and Scripting

how to use "cut" or "awk" or "sed" to remove a string

logs: "/home/abc/public_html/index.php" "/home/abc/public_html/index.php" "/home/xyz/public_html/index.php" "/home/xyz/public_html/index.php" "/home/xyz/public_html/index.php" how to use "cut" or "awk" or "sed" to get the following result: abc abc xyz xyz xyz (8 Replies)
Discussion started by: timmywong
8 Replies

7. UNIX for Dummies Questions & Answers

Using "mailx" command to read "to" and "cc" email addreses from input file

How to use "mailx" command to do e-mail reading the input file containing email address, where column 1 has name and column 2 containing “To” e-mail address and column 3 contains “cc” e-mail address to include with same email. Sample input file, email.txt Below is an sample code where... (2 Replies)
Discussion started by: asjaiswal
2 Replies

8. Shell Programming and Scripting

Bash script - Print an ascii file using specific font "Latin Modern Mono 12" "regular" "9"

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

9. AIX

Apache 2.4 directory cannot display "Last modified" "Size" "Description"

Hi 2 all, i have had AIX 7.2 :/# /usr/IBMAHS/bin/apachectl -v Server version: Apache/2.4.12 (Unix) Server built: May 25 2015 04:58:27 :/#:/# /usr/IBMAHS/bin/apachectl -M Loaded Modules: core_module (static) so_module (static) http_module (static) mpm_worker_module (static) ... (3 Replies)
Discussion started by: penchev
3 Replies
alias(4)							   File Formats 							  alias(4)

NAME
alias - alias table file of encoding names SYNOPSIS
/usr/lib/iconv/alias DESCRIPTION
This file contains the alias table of encoding names for iconv_open(3C). The format of the alias table is as follows: "%s %s ", <variant encoding name>, <canonical encoding name> The string specified for the variant encoding name is case-insensitive. A line beginning with '#' is treated as a comment. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ SEE ALSO
iconv(3C), iconv_close(3C), iconv_open(3C), attributes(5) SunOS 5.11 2 Oct 2001 alias(4)
All times are GMT -4. The time now is 07:04 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy