check number of character Post: 302358963

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Number or Character

How to find that a given variable is a number or character? e.g. echo "Enter the number" read var If "$var" is a number then display "Number has been entered" else display "Character has been entered". Thanking you in advance

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check for the first character to be blank

I'm having a problem when the first line or first character of a file is blank. I need to get rid of both of them when they occur but don't want to delete the line. Does anyone have any suggestions?

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how to check first character in var's value.

Currently my script works like this: DATE_dd=5 # Assume this is user input. (User can enter 1, 2, 3, .. 10, 11, 12) if ; then DATE_D=" ${DATE_dd}" file_name="${DATE_yyyy}${DATE_mm}0${DATE_dd}.csv" else DATE_D=${DATE_dd} ...

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how to check string of character

how can i check whether variable contains only character from a-z or A-Z....if my variable contains any alpha numeric, numeric or any character with some special one i.e. *%&@! etcetera etcetera....then it should show me please enter only characters...... Let my variable var1="abc77}|" then...

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check for a particular character inside a file and substitute with a given character?

i am a newbie to shell script,so i want a kshell script in which i need to check for a particular character inside a file through conditional looping(like if ,case,while)and if that character exists ,then substitute a given character to that character. consider a file test.txt,inside the file...

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To check if the first character is a alphabet or number

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check whether it is a non-numeric character

Below is the abstract of the script which is working fine. if ] then error_process "Invalid month format." return 1 fi I am doing validation for month and it errors if the value is > 12 or < 0. In addition, I want to add another condition to error if it...

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How to check for special character in a value

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Count number of occurences of a character in a field defined by the character in another field

Hello, I have a text file with n lines in the following format (9 column fields): Example: contig00012 149606 G C 49 68 60 18 c$cccccacccccccccc^c I need to count the number of lower-case and upper-case occurences in column 9, respectively, of the...

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check number or character of a file

Hi, Please see the below information. 1. Read files one by one and run the script. 2. Check if the filename is CHARTER OR NUMBER 3. Run the case statement. I have files in the folder. i will get 300 files in a single day. Abc_111111111111.csv 101010_kkk_bbbb.csv...

LEARN ABOUT OSF1

copystr

copystr(9r)															       copystr(9r)

NAME

       copystr - General: Copies a null-terminated character string with a specified limit

SYNOPSIS

       int copystr(
	       char *s1,
	       char *s2,
	       u_int maxlength,
	       u_int *ncopiedaddr );

ARGUMENTS

       Specifies  a  pointer  to  a  string  (an array of characters terminated by a null character).  Specifies a pointer to a buffer of at least
       maxlength characters.  Specifies the maximum number of characters to copy.  Specifies the address of an integer to receive  the	number	of
       copied characters.

DESCRIPTION

       The  copystr  routine  copies  string  s1 to the buffer pointed to by s2. The routine stops after copying a null character or after copying
       maxlength characters, whichever comes first. The s2 buffer is not padded with null characters to maxlength.

       The copystr routine returns the number of characters copied in the location pointed to by ncopiedaddr. Note that the character  size  is  1
       byte.

RETURN VALUES

       Upon  successful  completion,  copystr  returns	the  value  0 (zero). Otherwise, it can return the following error: The string length, s1,
       exceeds the maximum number of characters, maxlength.

SEE ALSO

       Routines: bcopy(9r), blkclr(9r), ovbcopy(9r), strcpy(9r), strncpy(9r)

																       copystr(9r)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Number or Character

Discussion started by: j1yant

2. UNIX for Dummies Questions & Answers

check for the first character to be blank

Discussion started by: anthreedhr

3. UNIX for Dummies Questions & Answers

how to check first character in var's value.

Discussion started by: yongho

4. Shell Programming and Scripting

how to check string of character

Discussion started by: manas_ranjan