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Top Forums Shell Programming and Scripting Initialize file name bash shell - Linux Post 303026637 by Geneanalyst on Friday 30th of November 2018 10:22:36 PM
Old 11-30-2018
Initialize file name bash shell - Linux

I am trying to initialize a file name in bash but not having much luck. For example, one of my bash scripts outputs a file named "FILE_1000G.vcf". I would like to rename FILE to match with the user's name. This is my code:


Code:
set -e
echo "Please enter your filename:"
read filename
rename 's/FILE/$filename/' *

The script prompts the user for their name. Say the user inputs John. The desired output woud be John_1000G.vcf


I keep getting the following error:


Global symbol "$filename" requires explicit package name (did you forget to declare "my $filename"?) at (user-supplied code).

Last edited by Geneanalyst; 12-01-2018 at 12:54 AM..
 

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ftpconversions(4)					     Kernel Interfaces Manual						 ftpconversions(4)

NAME
ftpconversions - ftpd conversions database SYNOPSIS
DESCRIPTION
The conversions known by and their attributes are stored in an ASCII file that is structured as below. Each line in the file provides a description for a single conversion. Fields are separated by colons (:). Field Description 1 strip prefix 2 strip postfix 3 addon prefix 4 addon postfix 5 external command 6 types 7 options 8 description strip postfix and addon postfix can be the file extensions or or or The file extensions the ftp server supports and the action that the ftp server performs is summarized in the table below. This feature is supported only when using the command. | | True Filename | Specified Filename | Action --------------+--------------------+--------------------------------------- filename.Z | filename | Decompress file before transmitting filename | filename.Z | Compress filename before transmitting filename | filename.tar | Tar filename before transmitting filename | filename.tar.Z | Tar and compress filename | | before transmitting external command field is used to specify the path of the program/script to be used to perform the action specified for the different file extensions as described in the above table. types field indicates the flags that must be checked before compressing, decompressing, tarring and untarring the file requested by the command. options field specifies the options for the program/script specified in the external command field. description is a short description of each conversion. NOTE: The HP-UX command does not support any option to do or If the user wants to perform any such action, he/she must then write his/her own program/script to do it and specify the pathname of the program/script in the external command field in the file. Also a copy of the programs/scripts used to perform the conversions and the respective libraries used by the programs/scripts must be copied into the home directory of each of the and user accounts for the and users to be able to perform on-the-fly conversions. WARNINGS
The conversions mechanism does not currently support the strip prefix and addon prefix fields. FILES
AUTHOR
was developed by the Washington University, St. Louis, Missouri. SEE ALSO
ftpd(1M), ftpaccess(4). ftpconversions(4)
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