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Full Discussion: Same strings are not equal
Top Forums UNIX for Dummies Questions & Answers Same strings are not equal Post 302682467 by FUTURE_EINSTEIN on Monday 6th of August 2012 10:01:41 AM
Old 08-06-2012
Same strings are not equal

Hi there can anyone help me please. I want to make a program to check if the executable file specified by the user exists in the directory.
When I run this program particulary these lines of code does not work:
Code:
if ("$fi" == "$name") then

where It checks whether the specified file is equal to the file in the directory. I thought it might be due to spaces. However, in both cases there is an additional space. So, I think they should be idetical. And question number 2: I made a brake from the loop in if statement can I do it like that???
Code:
#!/bin/csh
 if ($#argv == 1) then
        set name=$1
        set files=`ls`
        set  numfiles=`echo $files | wc -w`
       @ count=1
        while ( $count < $numfiles)
        set fi=`echo $files | cut -f$count -d ' '`
        if (-f $fi && -x $fi ) then
                        set charnum=`echo $fi | wc -c`
                        if ("$fi" == "$name") then
                                echo "I am here 3"
                                echo $fi
                                break
                        endif
        endif
        @ count = $count + 1
        end
endif

Thanks in advance! :-)
 

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TEST(1) 								FSF								   TEST(1)

NAME
test - check file types and compare values SYNOPSIS
test EXPRESSION [ EXPRESSION ] test OPTION DESCRIPTION
Exit with the status determined by EXPRESSION. --help display this help and exit --version output version information and exit EXPRESSION is true or false and sets exit status. It is one of: ( EXPRESSION ) EXPRESSION is true ! EXPRESSION EXPRESSION is false EXPRESSION1 -a EXPRESSION2 both EXPRESSION1 and EXPRESSION2 are true EXPRESSION1 -o EXPRESSION2 either EXPRESSION1 or EXPRESSION2 is true [-n] STRING the length of STRING is nonzero -z STRING the length of STRING is zero STRING1 = STRING2 the strings are equal STRING1 != STRING2 the strings are not equal INTEGER1 -eq INTEGER2 INTEGER1 is equal to INTEGER2 INTEGER1 -ge INTEGER2 INTEGER1 is greater than or equal to INTEGER2 INTEGER1 -gt INTEGER2 INTEGER1 is greater than INTEGER2 INTEGER1 -le INTEGER2 INTEGER1 is less than or equal to INTEGER2 INTEGER1 -lt INTEGER2 INTEGER1 is less than INTEGER2 INTEGER1 -ne INTEGER2 INTEGER1 is not equal to INTEGER2 FILE1 -ef FILE2 FILE1 and FILE2 have the same device and inode numbers FILE1 -nt FILE2 FILE1 is newer (modification date) than FILE2 FILE1 -ot FILE2 FILE1 is older than FILE2 -b FILE FILE exists and is block special -c FILE FILE exists and is character special -d FILE FILE exists and is a directory -e FILE FILE exists -f FILE FILE exists and is a regular file -g FILE FILE exists and is set-group-ID -h FILE FILE exists and is a symbolic link (same as -L) -G FILE FILE exists and is owned by the effective group ID -k FILE FILE exists and has its sticky bit set -L FILE FILE exists and is a symbolic link (same as -h) -O FILE FILE exists and is owned by the effective user ID -p FILE FILE exists and is a named pipe -r FILE FILE exists and is readable -s FILE FILE exists and has a size greater than zero -S FILE FILE exists and is a socket -t [FD] file descriptor FD (stdout by default) is opened on a terminal -u FILE FILE exists and its set-user-ID bit is set -w FILE FILE exists and is writable -x FILE FILE exists and is executable Beware that parentheses need to be escaped (e.g., by backslashes) for shells. INTEGER may also be -l STRING, which evaluates to the length of STRING. AUTHOR
Written by FIXME: ksb and mjb. REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>. COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE. SEE ALSO
The full documentation for test is maintained as a Texinfo manual. If the info and test programs are properly installed at your site, the command info test should give you access to the complete manual. GNU coreutils 4.5.3 February 2003 TEST(1)
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