Bash: Pulling first and last character in string Post: 302962337

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

bash script to check the first character in string

Hello would appreciate if somebody can post a bash script that checks if the first character of the given string is equal to, say, "a" thnx in advance

2. Shell Programming and Scripting

Pulling the first and last character/number from a string.

Let's say I have a word "foobar23" in a file, and I want to pull the first "f" and last "3" character out of the world, how would I accomplish that? # cat file foobar23 I want the output to be: f3

3. Shell Programming and Scripting

Bash script pulling variable from query_string

I have a variable embedded in a long string called "commands" coming in on a query_string. I need to copy the string to a file with the variable $loop1 converted before it writes. Right now, it writes the varible itself instead of what it should be. QUERY_STRING...

4. Shell Programming and Scripting

Bash - get specific character from the string

Hi! If I want to extract a character from a specific position of a string, I can use ${string:1:1} (if I want character at the position 1). How can I do the same thing, when the number of position is contained in the variable? ${string:$var:1}doesn't work, unfortunately. Thanks in advance.

5. Shell Programming and Scripting

Bash: How to remove the last character of a string?

In bash, how can one remove the last character of a string? In perl, the chop function would remove the last character. However, I do not know how to do the same job in bash. Many thanks in advance.

6. Shell Programming and Scripting

Basic bash -- pulling files from an FTP server

Hi guys. Very new to this so apologies if this is ridiculously obvious, but I am not sure why this isn't working. I want to pull a file off an FTP server. I currently do it through windows, which is no problem, but I want to move everything to a Linux box I just installed. wget won't work as the...

7. Shell Programming and Scripting

BASH- Need help pulling data from .emlx

Hello, fellow computer junkies. First time poster! My boss wrote an application (Mavericks 10.9, Mountain Lion 10.8) that checks a user's security settings. The user runs the application, then it spits out an email that is sent back to our inbox showing the results. On our end, we have a mail rule...

8. Shell Programming and Scripting

Match string against character class in bash

Hello, I want to check whether string has only numeric characters. The following code doesn't work for me #!/usr/local/bin/bash if ]]; then echo "true" else echo "False" fi # ./yyy '346' False # ./yyy 'aaa' False I'm searching for solution using character classes, not regex....

9. Shell Programming and Scripting

Bash - Inserting non printable character(s) in string variable

Hello. I have a string variable named L_TEMP to test a very simple filter. L_TEMP="50AwL.|KWp9jk" I want to insert a non printable character between K and W. I have try this : linux-g65k:~ # a='50AwL.|K' linux-g65k:~ # b='Wp9jk' linux-g65k:~ # L_TEMP="$a$'\x07'$b" linux-g65k:~ # echo...

10. UNIX for Beginners Questions & Answers

Escape bash-special character in a bash string

Hi, I am new in bash scripting. In my work, I provide support to several users and when I connect to their computers I use the same admin and password, so I am trying to create a script that will only ask me for the IP address and then connect to the computer without having me to type the user...

LEARN ABOUT DEBIAN

pescetti

PESCETTI(1)						      General Commands Manual						       PESCETTI(1)

NAME

       pescetti -- Pseudo-Duplimate Generator

SYNOPSIS

       pescetti

DESCRIPTION

       This manual page documents briefly the pescetti command.

OPTIONS

       Here are a list of the available options and what they do. You must specify exactly one from --demo, --generate or --load.

       --help	 Prints the help text

       --demo	 Demonstration mode. Generates one hand with permutations and the tutorial for how to use them.

       --generate=N
		 Generate N random boards

       --load=boards.txt
		 Load boards+analysis from boards.txt

       --load-dds=boards.dds
		 Load boards from boards.dds in dds format

       --load-analysis=tricks.txt
		 Load analysis from tricks.txt

       --permutations=permutations.txt
		 Generate the permutations and save them to the given file

       --curtains=curtains.txt
		 Save curtain cards to file curtains.txt

       --save=boards.txt
		 Save the boards+analysis to boards.txt

       --save-dds=boards.dds
		 Save the boards to boards.dds in dds format

       --save-analysis=tricks.txt
		 Save the analysis to tricks.txt

       --format=html|txt|pdf
		 Set the output mode to the given format

       --title=title
		 Set the title for the output

       --output=hands.txt
		 Print the hands to hands.txt, rather than to standard output

       --stats	 Generate statistics about the set of boards; included in the hands output

       --analyze Run the dds analyzer on the boards and print the resulting numberof tricks (warning SLOW)

       --criteria=
		 A  list of criteria to apply to each generated hand to generate specific hand types.  The list should be space separated and each
		 item may be suffixed with a colon and a (fractional) probability value which can be used to weight the criteria.

		 E.g. --criteria="weaknt:0.8 strongnt:0.5"

		 Valid criteria are: unbalanced weaknt strongnt twont strongtwo weaktwo three twoclubs 4441  singlesuit  twosuits  partscore  game
		 slam game-invite slam-invite jumpshift jumpfit splinter bacon weird

       --probability=factor
		 Generate  hands matching the criteria with only the given probability. Factor is in the range 0 to 1. On each attempt to generate
		 a board it is rejected if it doesn't match the criteria with the given probability.  A factor of about  0.8  gives  roughly  half
		 matching boards

AUTHOR

       This manual page was written by Matthew Johnson <debian@matthew.ath.cx>. Permission is granted to copy, distribute and/or modify this docu-
       ment under the terms of the GNU General Public License, Version 2 as published by the Free Software Foundation.

       On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.

																       PESCETTI(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

bash script to check the first character in string

Discussion started by: ole111

2. Shell Programming and Scripting

Pulling the first and last character/number from a string.

Discussion started by: LinuxRacr

3. Shell Programming and Scripting

Bash script pulling variable from query_string

Discussion started by: numele

4. Shell Programming and Scripting

Bash - get specific character from the string

Discussion started by: xqwzts