Sponsored Content
Full Discussion: File operator command
Top Forums Shell Programming and Scripting File operator command Post 302946680 by arun888 on Thursday 11th of June 2015 09:17:37 AM
Old 06-11-2015
thanks a lot.

It checks whether the length of the string s1 is non-zero or not.
 

10 More Discussions You Might Find Interesting

1. Programming

new operator

Hi, Please clear the 2 questions, 2 Questions, 1) Why the new as a operator? Is there any special reason why it can't be a function like malloc? 2) How are we considering sizeof(),new are as a opearartors? I know + - * / -> , . etc.. are operators, which criteria satisfied by sizeof()... (4 Replies)
Discussion started by: Nagapandi
4 Replies

2. UNIX for Dummies Questions & Answers

File already exists error while using '>' operator

hi i am using the below code grep -v '^$' file1.lst >file1.lst but it gives file1.lst already exists. And i want to over rite on the same file Whats the work around? (5 Replies)
Discussion started by: jathin12
5 Replies

3. Shell Programming and Scripting

Checking if file exists using a NOT operator and shell variable

Hi, I'm new to UNIX, at least shell programming and am having trouble figuring out a problem i'm having. In one section in my nested if statement, i want the program to test if the file does not exist, based on an argument supplied at the command line by the user. What i have is elif ; then... (3 Replies)
Discussion started by: rowlf
3 Replies

4. Shell Programming and Scripting

FIle (directory) test operator (bash)

I'm almost pulling out my hair trying to figure out what's wrong with this... there's no reason I can see that it shouldn't be working. It seems that the code acts as though the conditional statement is true no matter what - I've even tried removing the negation operator, but it always goes into... (5 Replies)
Discussion started by: wildbluefaerie
5 Replies

5. Shell Programming and Scripting

How can I use a pipe operator in a variable: OPTION="| command"?

I have a string of commands I am piping some data through and I want to allow command line switches to select which commands are used. I want to do something like this: OPTION="| command3" command1 -a -b c.txt | command2 -d -e $OPTION >result.txt I want to do it that way because OPTION may be... (1 Reply)
Discussion started by: KenJackson
1 Replies

6. UNIX for Dummies Questions & Answers

su with << operator

All, THe below is my script , when i use this i am getting nothing . could any one help me to know what is the use of the << operator below su - $8 << supo echo "exportsph $2 $1 $3 $4" exportsph $2 $1 $3 $4 supo i also tried as individual command su - userid << supo , when i do... (3 Replies)
Discussion started by: arunkumar_mca
3 Replies

7. UNIX for Dummies Questions & Answers

+= operator

im new to bash scripting and im just using online tutorials and trial and error. i wanted to write a script to read numbers from a file and find their sum: #!/bin/bash theSum=0 for line in $(cat numbers.txt) do let "theSum = theSum + $line" echo "$line" done echo "The sum is... (3 Replies)
Discussion started by: astrolux444
3 Replies

8. Shell Programming and Scripting

Problem in test file operator on a ufsdump archive file mount nfs

Hi, I would like to ask if someone know how to test a files if exist the file is a nfs mount ufsdump archive file.. i used the test operator -f -a h almost all test operator but i failed file1=ufs_root_image.dump || echo "files doesn't exist && exit 1 the false file1 is working but... (0 Replies)
Discussion started by: jao_madn
0 Replies

9. Shell Programming and Scripting

perl's substitution operator "s" with file contents?

Please show me how to make substitution over the contents of a file in a perl script. In a perl script, the core part of substitution operation is s/FINDPATTERN/REPLACEPATTERN/g; However, I cannot figure out how to make the substitution occur over the contents of a file. The following... (3 Replies)
Discussion started by: LessNux
3 Replies

10. Shell Programming and Scripting

How to use pipe operator as simple character in text file?

Hello all, I have two files which are cmd and disk. `$cat cmd lsdev | grep -iw` `$cat disk hdisk2` Now I want to use the contents of both the files in a way such that `lsdev | grep -iw` command works for hdisk2 when I write the following script: `!#/bin/sh cmd1="$( sed -n... (4 Replies)
Discussion started by: ravi.trivedi
4 Replies
STRLEN(3)								 1								 STRLEN(3)

strlen - Get string length

SYNOPSIS
int strlen (string $string) DESCRIPTION
Returns the length of the given $string. PARAMETERS
o $string - The string being measured for length. RETURN VALUES
The length of the $string on success, and 0 if the $string is empty. CHANGELOG
+--------+---------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+---------------------------------------------------+ | 5.3.0 | | | | | | | Prior versions treated arrays as the string | | | Array, thus returning a string length of 5 and | | | emitting an E_NOTICE level error. | | | | +--------+---------------------------------------------------+ EXAMPLES
Example #1 A strlen(3) example <?php $str = 'abcdef'; echo strlen($str); // 6 $str = ' ab cd '; echo strlen($str); // 7 ?> NOTES
Note strlen(3) returns the number of bytes rather than the number of characters in a string. Note strlen(3) returns NULL when executed on arrays, and an E_WARNING level error is emitted. SEE ALSO
count(3), grapheme_strlen(3), iconv_strlen(3), mb_strlen(3). PHP Documentation Group STRLEN(3)
All times are GMT -4. The time now is 08:57 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy