Sponsored Content
Full Discussion: for loop syntax trouble
Top Forums Shell Programming and Scripting for loop syntax trouble Post 302184676 by aigles on Saturday 12th of April 2008 12:18:50 PM
Old 04-12-2008
This for syntax is valid with bash (the equal compate operator is == not =):
Code:
for ((  i = 1;  i <= ${1};  i++  )) 
do
    echo "Welcome $i times"
done

With sh or ksh, you must use a while statement.

Jean-Pierre.
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Start more than one database - trouble with for loop

I have seen this done before - and maybe there is a better way too. I want to be abe to use a for loop (or other better method) to loop through the database instance names that are part of the script - not an external file where a read might be ok. Here is what I have and I know won't work -... (5 Replies)
Discussion started by: dave-mentor
5 Replies

2. Shell Programming and Scripting

Loop Trouble

Can anyone tell me what's wrong with my code here? I'm experiencing weird behavior... I am using 'j' to go down a list filenames saved in a .txt file and prompting the user whether or not she would like to delete each one. This works all well and fine the first run through, but then instead of... (2 Replies)
Discussion started by: RSymphony
2 Replies

3. Shell Programming and Scripting

Trouble with a file path as awk output in for loop

When I run the following command in the shell it works fine. It prints a city name and then a path for a file. ~$ for i in `awk -F':' '{print $0}' /home/knoppix/Desktop/data/subs | grep -m 1 $ city | sed "s/:/ /"` >do >echo $i >done Now, when I place it in this shell script (sh) it prints... (6 Replies)
Discussion started by: afroCluster
6 Replies

4. Shell Programming and Scripting

for loop syntax

hi, I have to use for loop in my script. The below code is providing an output, 1,2,3,4,5..n. But i need to display the values one by one eg: it has to display the first value then exit from the loop and display the second value then exit till n(last value). for i in 1,2,3,4,5..n do ... (2 Replies)
Discussion started by: sreelu
2 Replies

5. Programming

trouble with loop counting

HI there, I am trying to count manually what this code does but I am stuck and I don't learly see the result. The code works and it compiles and runs but I just don't follow the value of var. #include<stdio.h> #include<stdlib.h> #include<sys/types.h> #include<unistd.h> #include<wait.h>... (2 Replies)
Discussion started by: bluetxxth
2 Replies

6. UNIX for Dummies Questions & Answers

for-loop syntax

%%%%% (3 Replies)
Discussion started by: lucasvs
3 Replies

7. UNIX for Dummies Questions & Answers

Trouble displaying parameters passed into a for loop

#!/bin/bash function check_num_args() { if ; then echo "Please provide a file name" else treat_as_file $* fi } function treat_as_file() { numFiles=$# for((i=1;i<=$numFiles;i++));do echo $i ... (3 Replies)
Discussion started by: kikilahooch
3 Replies

8. UNIX for Dummies Questions & Answers

Trouble understand and using for loop

Good evening all I have what might be a simple problem to solve but I do not know how to solve it myself. I am writing a bash script and my code looks something like this: mp3=`ls | grep \.mp3` for f in $mp3 do echo $f done Basically what I want to do is look through the current... (4 Replies)
Discussion started by: mistsong1
4 Replies

9. Shell Programming and Scripting

Considerable trouble with for loop in combination with awk

I have the text file where each line has the format: chr10 101418889 101418904 0.816327 Right now the interval between column 2 and 3 is 15. I only want the two consecutive positions starting at position 1, write it to a file, then move up one position write to file etc. So that: ... (1 Reply)
Discussion started by: jfern
1 Replies

10. Shell Programming and Scripting

What does xx mean in this while loop syntax?

I have a shell script which has this while loop line "while read tblName xx; do..." I understand how while loop works but don't know what does this xx stands for? (1 Reply)
Discussion started by: later_troy
1 Replies
std::decimal::decimal64(3)				     Library Functions Manual					std::decimal::decimal64(3)

NAME
std::decimal::decimal64 - SYNOPSIS
Public Types typedef float __decfloat64 __attribute__ ((mode(DD))) Public Member Functions decimal64 (decimal32 d32) decimal64 (decimal128 d128) decimal64 (float __r) decimal64 (double __r) decimal64 (long double __r) decimal64 (int __z) decimal64 (unsigned int __z) decimal64 (long __z) decimal64 (unsigned long __z) decimal64 (long long __z) decimal64 (unsigned long long __z) decimal64 (__decfloat64 __z) __decfloat64 __getval (void) void __setval (__decfloat64 __x) decimal64 & operator*= (decimal32 __rhs) decimal64 & operator*= (decimal64 __rhs) decimal64 & operator*= (decimal128 __rhs) decimal64 & operator*= (int __rhs) decimal64 & operator*= (unsigned int __rhs) decimal64 & operator*= (long __rhs) decimal64 & operator*= (unsigned long __rhs) decimal64 & operator*= (unsigned long long __rhs) decimal64 & operator*= (long long __rhs) decimal64 & operator++ () decimal64 operator++ (int) decimal64 & operator+= (int __rhs) decimal64 & operator+= (decimal32 __rhs) decimal64 & operator+= (decimal64 __rhs) decimal64 & operator+= (decimal128 __rhs) decimal64 & operator+= (unsigned int __rhs) decimal64 & operator+= (long __rhs) decimal64 & operator+= (unsigned long __rhs) decimal64 & operator+= (long long __rhs) decimal64 & operator+= (unsigned long long __rhs) decimal64 & operator-- () decimal64 operator-- (int) decimal64 & operator-= (long __rhs) decimal64 & operator-= (int __rhs) decimal64 & operator-= (long long __rhs) decimal64 & operator-= (unsigned long long __rhs) decimal64 & operator-= (unsigned long __rhs) decimal64 & operator-= (decimal128 __rhs) decimal64 & operator-= (unsigned int __rhs) decimal64 & operator-= (decimal32 __rhs) decimal64 & operator-= (decimal64 __rhs) decimal64 & operator/= (decimal32 __rhs) decimal64 & operator/= (long long __rhs) decimal64 & operator/= (unsigned long long __rhs) decimal64 & operator/= (unsigned long __rhs) decimal64 & operator/= (decimal64 __rhs) decimal64 & operator/= (unsigned int __rhs) decimal64 & operator/= (decimal128 __rhs) decimal64 & operator/= (long __rhs) decimal64 & operator/= (int __rhs) Detailed Description 3.2.3 Class decimal64. Definition at line 310 of file decimal. Constructor &; Destructor Documentation std::decimal::decimal64::decimal64 (__decfloat64__z) [inline] Conforming extension: Conversion from scalar decimal type. Definition at line 334 of file decimal. Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ Tue Jun 10 2014 std::decimal::decimal64(3)
All times are GMT -4. The time now is 08:51 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy