parse arguments after getopts
You can do something like: shift $(($OPTIND – 1)) first_arg=$1 second_arg=$2 after the loop has run.
command-line-arguments
Bash command line arguments, replacing defaults for variables
You can do it the following way. See Shell Parameter Expansion on the Bash man page. #! /bin/bash value=${1:-the default value} echo value=$value On the command line: $ ./myscript.sh value=the default value $ ./myscript.sh foobar value=foobar
Import SQL file by command line in Windows 7
Try like this: I think you need to use the full path at the command line, something like this, perhaps: C:\xampp\mysql\bin\mysql -u {username} -p {databasename} < file_name.sql Refer this link also: http://www.ryantetek.com/2011/09/importing-large-sql-files-through-command-line-when-using-phpmyadminxampp/
Maximum number of Bash arguments != max num cp arguments?
As Ignacio said, ARG_MAX is the maximum length of the buffer of arguments passed to exec(), not the maximum number of files (this page has a very in-depth explanation). Specifically, it lists fs/exec.c as checking the following condition: PAGE_SIZE*MAX_ARG_PAGES-sizeof(void *) / sizeof(void *) And, it seems, you have some additional limitations: On a 32-bit Linux, … Read more
python argparse – either both optional arguments or else neither one
I believe that the best way to handle this is to post-process the returned namespace. The reason that argparse doesn’t support this is because it parses arguments 1 at a time. It’s easy for argparse to check to see if something was already parsed (which is why mutually-exclusive arguments work), but it isn’t easy to … Read more
Precedence order among properties file, YAML file, and Command Line arguments in SpringBoot
Spring Boot property resolution property order is described here. Use of application.properties and application.yaml is not expected. Use one format or the other but not both. Whichever one you use will be handled at position 12 or 13 (depending on whether the file is packaged in the application JAR or not) in property precedence order. … Read more
Read arguments from command line – error TS2304: Cannot find name ‘process’
Update: September 2016 You need to make sure that the type definitions for Node are available. The way to do this depends on which version of TypeScript you are using. TypeScript 1 Use Typings to install the definitions. typings install –save –global env~node Be sure to include typings/index.d.ts in your tsconfig.json file. Either include it … Read more
Passing on command line arguments to runnable JAR [duplicate]
Why not ? Just modify your Main-Class to receive arguments and act upon the argument. public class wiki2txt { public static void main(String[] args) { String fileName = args[0]; // Use FileInputStream, BufferedReader etc here. } } Specify the full path in the commandline. java -jar wiki2txt /home/bla/enwiki-….xml
find and replace in multiple files on command line
there are many ways .But one of the answers would be: find . -name ‘*.html’ |xargs perl -pi -e ‘s/find/replace/g’
Python: How to make an option to be required in optparse?
You can implement a required option easily. parser = OptionParser(usage=”usage: %prog [options] arguments”) parser.add_option(‘-f’, ‘–file’, dest=”filename”, help=’foo help’) (options, args) = parser.parse_args() if not options.filename: # if filename is not given parser.error(‘Filename not given’)