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Cp Return Code 1


Larry Wall Shrine Buy PerlMonks Gear Offering Plate Awards Random Node Quests Craft Snippets Code Catacombs Editor Requests blogs.perl.org Perlsphere Perl Ironman Blog Perl Weekly Perl.com Perl 5 Wiki Perl Jobs Can the editor of a book add citations of individual chapters to his own citation count? more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed up vote 19 down vote favorite 4 I'm using Mac OS X. his comment is here

This option always sets the archive bit on the copied file. I believe this method is not vulnerable to any race conditions. Are assignments in the condition part of conditionals a bad practice? Also, cp is not atomic: another process can observe the file being written. my response

Cp Return Code 1

Development of retrosynthesis plan Why can't the second fundamental theorem of calculus be proved in just two lines? Die Liebe höret nimmer auf Can limit come into modulus of a given function? cp copies all files and subdirectories specified by source.... Why was Susan treated so unkindly?

A good puzzle will wake me up Many. However, it does seem to be widely available. (Verified on the GNU implementation, also BusyBox, FreeBSD, OS X.) ( tmp=$(mktemp "${target}.XXXXXX") && # "mktemp -p" doesn't work on BSD cp -- Thank you. Man Cp This is a problem if our script goes on to do more work, or if we want the script to robustly deal with errors.

unreadable directory "name" cp cannot read the specified directory, for example, because you do not have appropriate permissions. Cp Suppress Error share|improve this answer answered May 10 '14 at 9:55 Grapsus 1,905610 3 And even if there were a more sophisticated distinction, it would be valid for this one implementation only. Advanced Bash-Scripting Guide: PrevNext

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But feel free to modify the code, and post the results. Shell Script Exit Code -11 Why do we need blockchains? On other OSes, $^E may give more relevant output than $! How could a language that uses a single word extremely often sustain itself?

Cp Suppress Error

There are no common exception handling routines or ways of wrapping up large blocks of script and asking for errors to fall through to a provided subroutine. http://serverfault.com/questions/153875/how-to-let-cp-command-dont-fire-an-error-when-source-file-does-not-exist Well-behaved UNIX commands Remove advertisements Sponsored Links thegeek View Public Profile Find all posts by thegeek

#6 01-13-2010 satyajeet.kadam Registered User Join Date: Cp Return Code 1 Exit Codes With Special Meanings

Table E-1. Return Value Of Cp Command My advisor refuses to write me a recommendation for my PhD application unless I apply to his lab Why is this Sudoku Skyscraper Failing?

William Shotts, Jr's article Errors and Signals and Traps (Oh My!) is a good next step for learning more about how to approach error handling in shell scripts. this content The function should better use return instead of exit. Verify that inode of target matches the one you read from tempfile, else fail. perl -e 'printf "%i\t%s\n", (${!}=$_)x2 for 0..127' [download] -- I'm not belgian but I play one on TV. [reply][d/l] Log In? Username: Password: remember me What's my password? Cp Man Page

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#3 01-12-2010 Ravi Pavanv Registered User Join Date: Jan 2010 Last Activity: 21 January 2010, 12:56 AM EST Posts: 11 Thanks: 0 source "name" and target "name" are identical The source and the target are actually the same file (for example because of links, on UNIX and POSIX-compliant systems). weblink Number sets symbols in LaTeX Encode the alphabet cipher What is the "Chairman Tree"?

A successful command returns a 0, while an unsuccessful one returns a non-zero value that usually can be interpreted as an error code. Linux Exit Codes Beefy Boxes and Bandwidth Generously Provided by pair Networks Built with the Perl programming language. DIAGNOSTICS Possible exit status values are: 0 Successful completion. 1 Failure due to any of the following: -- an argument had a trailing slash (/) but was not a directory --

you could use an if statement in your shell script to test the existence of the file before you copy something to it: if [ -e /path/to/file ] then exit 1

Unix & Linux Stack Exchange works best with JavaScript enabled UNIX & Linux Forums > Top Forums > UNIX for Dummies Questions & Answers Member Name Remember Best way to repair rotted fuel line? This is similar to, but less useful than, the preferred -R. -S automatically expands sparse files. Check If File Exists Bash I like to torture myself 0.

Nodes You Wrote Super Search List Nodes By Users Newest Nodes Recently Active Threads Selected Best Nodes Best Nodes Worst Nodes Saints in our Book Leftovers? directory cp -r [-acfimPpqSv] source... where "echo $?" will print 0 if the command is successful or else it will print non 0 value. check over here This numeric status value tells the calling script if the program completed successfully or if an error was encountered.

The parent directories must already exist on the new target diskette. Windows 8. If possible, how to include cut marks in PDF? (using watermark?) making new symbol from two symbols more hot questions question feed about us tour help blog chat data legal privacy This option always sets the archive bit on the copied file.

For that purpose, you can check the value of $? more hot questions question feed lang-sh about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Is there a word for "timeless" that doesn't imply the passage of time? What to do when majority of the students do not bother to do peer grading assignment?

With --ignore-errors every error is ignored, which may be dangerous. This is left as an (easy) exercise. share|improve this answer answered Nov 14 '12 at 9:54 Stéphane Chazelas 180k28289519 add a comment| Did you find this question interesting? x/OPEN Portability Guide 4.0.

The -m and -p options can override this behavior. This lets you make a non-sparse copy of a sparse file. -v prints file names to standard output as they are being processed. Windows 10. If we see that it does exist, we can fail immediately, rather than making the copy, trying to move it, then seeing that that failed so removing the copy.

It is possible - even common - for scripts to print nothing and yet encounter multiple errors. Solutions? PORTABILITY POSIX.2. Can the editor of a book add citations of individual chapters to his own citation count?

ENVIRONMENT VARIABLES TK_CP_NOPRESERVE when set, this variable prevents the -m and -p options from copying the file mode (see chmod). Why does Wikipedia list an improper pronunciation of Esperanto? Reserved Exit Codes

Exit Code NumberMeaningExampleComments1Catchall for general errorslet "var1 = 1/0"Miscellaneous errors, such as "divide by zero" If the target is an existing file, cp overwrites it; if it does not exist, cp creates it.