Linux / UNIX: Check If File Is Empty Or Not Using Shell Script Linux check if file empty or not - a sample shell command and script to check that file is empty or has data in it under bash / ksh / sh UNIX / Linux / OS X shell.
UNIX/Linux Bash Shell Scripting: Shell Script to Check Whether a String is Palindrome or not #!/bin/bash # SCRIPT: palindrome2.sh # USAGE: palindrome.sh or palindrome.sh STRING # PURPOSE: Script to test if a given string is a palindrome. # # In this script I uses the well known method, compare first character # with last character, up to middle o
Other Comparison Operators Note that integer and string comparison use a different set of operators. ... String=' ' # Zero-length ("null") string variable. if [ -z "$String" ] then echo "\$String is null. ... bin/bash # str-test.sh: Testing null strings and unquoted strings, #
Linux Shell script to add a user with a password to the system - nixCraft Could you kindly help me to integrate in this first script to add a user in /etc/shadow from a comma separeted file? I would like to export a list from a company application, create a .csv , and lunch it from a shell script or a php page in a website to i
UNIX and Linux Shell Script Test Command - IT For Everyone! test returns true in the following cases: test s s is not a null string test -n string string is nonzero test sting1 = string2 the two strings are equal test sting1 != string2 the two strings are not equal test integer1 -eq integer2 the integers are equal
UNIX/Linux Bash Shell Scripting: Shell Script to Find Prime Number #!/bin/bash # SCRIPT: prime2a.sh # USAGE : ./prime2a.sh # PURPOSE: Finds whether given number is prime or not echo -n "Enter a number: "read num # Integer Validation #
linux - Why doesn't "cd" work in a bash shell script? - Stack Overflow Is it worth noting that on MS-DOS, the behaviour of scripts was that a called script could change the directory (and even drive) of the calling command shell? And that Unix does not have this defect? – Jonathan Leffler Nov 4 '08 at 23:08
How to use "not equal to " in IF statement | Unix Linux Forums ... Hi, i need to compare two variables by using if statement if [ \$var1 -ne \$var2 ] then ...
linux - Using the not equal operator for string comparison - Unix ... 2013年3月14日 - The above code did not work for me, so I tried this instead: if [ "$PHONE_TYPE" ...
how to check if $? is not eql to zero in unix shell scripting ... 2013年3月18日 - (return code of last executed command) is not equal to zero. The code is as follows: -.
