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Top Forums Shell Programming and Scripting grepping files and then renaming file Post 302723239 by mantis on Monday 29th of October 2012 05:56:51 PM
Old 10-29-2012
grepping files and then renaming file

Hi,

What is the easiest way to list a directory with 1000s of filenames, grep it for a certain sequence of numbers, and if found to rename the file by the value you are grepping.

eg

The file I am examining will looks like this:

1234
1224343
2324
244
35665

If I am examining a list of files in a given directory and grepping them for values in the file, if the value in the respective row is found to rename that file by the value of the row?

Thanks in advance
 

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RECEIVE(1)						      General Commands Manual							RECEIVE(1)

NAME
receive - receive files from the sendfile spool SYNOPSIS
receive [ -d ] [ -r ] [ -k ] [ -P ] [ -S ] [ -Z spool ] [ -q ] [ -ffrom ] file [...] receive -n [ -d ] [ -r ] [ -k ] [ -P ] [ -S ] [ -Z spool ] [ -q ] file-number [...] receive [ -s ] [ -l ] [ -L ] [ -R ] [ -ffrom ] receive -b user[@host] [ -k ] [ -f"from" ] file [...] receive -b user[@host] [ -k ] [ -f"from" ] -n file-number [...] receive -b user[@host] [ -k ] -a DESCRIPTION
receive files from the sendfile spool which has been sent to you. If there is already a file with the same name you will be prompted for overwriting or renaming. Allowed wildcards in file names are: * ? [abc] [^abc] CAUTION: you have to put wildcards and other special characters in '' quotes to hide them for interpretation by your shell. OPTIONS
-n receive file number(s) -d delete instead of receive -a receive (or delete or bounce) all files -r rename before receiving -k keep files in spool after receiving -P pipe files to stdout -S receive only pgp-signed files -s list files in short format -l list files -L list files and look inside archives, too -R renumber files in spool -b bounce (forward) files to another recipient -q quiet mode: no questions asked -fuser all actions refer only to files from this user -Z spool specify an alternate spool directory EXAMPLES
receive -L list all files in long format. receive 'blubb*' receive all files starting with string "blubb". receive -daf microsoft.com delete all files from microsoft.com sites. receive -b framstag@bofh '*.jpg' bounce all *.jpg-files to framstag@bofh. FILES
/var/spool/sendfile The sendfile spool directory. /var/spool/sendfile/$USER/log A log of the last transfers. /etc/sendfile.deny Users which are not allowed to receive files or messages (set by root). SEE ALSO
sendfile(1). AUTHOR
Ulli Horlacher - framstag@rus.uni-stuttgart.de 3rd Berkeley Distribution RECEIVE(1)
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