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Top Forums Shell Programming and Scripting Bash to store result in variable for other lines in script to use Post 302989716 by cmccabe on Tuesday 17th of January 2017 12:59:34 PM
Old 01-17-2017
Bash to store result in variable for other lines in script to use

I can not figure out how to capture the $filename variable store by the bash.

Code:
#!/bin/bash

# oldest folder stored as variable for analysis, version log created, and quality indicators matched to run
dir=/home/cmccabe/Desktop/NGS/test

find "$dir" -maxdepth 1 -mindepth 1 -type d -printf '%T+\t%P\0' | sort -rz |
while read -r -d $'\t' time && read -r -d '' filename
do
    printf "The oldest folder is $filename, created on $time and analysis done using v1.4 by $USER at $(date "+%D %r")\n" >> /home/cmccabe/medex.logs/folder.log
    awk -v FL="$filename" '
         FNR == 1 {filenum++}
         filenum==1 && index($0, FL) { 
              match($0, "_0*([0-9]+)/")
              FNUM=substr($0,RSTART+1,RLENGTH-2)
              gsub(/^0+/,"", FNUM)
          }
          filenum==2 && $0 ~ FNUM".pdf$"' /home/cmccabe/s5_files/downloads/list /home/cmccabe/s5_files/pdf/pdf > /home/cmccabe/s5_files/pdf/output
    break
done

echo $filename

So after running the bash, $filename is 12345R12.

So, the result of the echo is 12345R12. Currently after the bash runs the $filename is not stored (maybe because of the done).

The result stored in $filename needs to be available for my script to execute. Currently, I manually copy it in but I thought that this might be a better way, but I can not seem to get the syntax correct. Thank you Smilie.

Last edited by cmccabe; 01-17-2017 at 02:00 PM.. Reason: fixed format
 

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PS2PDF(1)							    Ghostscript 							 PS2PDF(1)

NAME
ps2pdf - Convert PostScript to PDF using ghostscript ps2pdf12 - Convert PostScript to PDF 1.2 (Acrobat 3-and-later compatible) using ghostscript ps2pdf13 - Convert PostScript to PDF 1.3 (Acrobat 4-and-later compatible) using ghostscript SYNOPSIS
ps2pdf [options...] {input.[e]ps|-} [output.pdf|-] ps2pdf12 [options...] {input.[e]ps|-} [output.pdf|-] ps2pdf13 [options...] {input.[e]ps|-} [output.pdf|-] DESCRIPTION
The ps2pdf scripts are work-alikes for nearly all the functionality (but not the user interface) of Adobe's Acrobat(TM) Distiller(TM) prod- uct: they convert PostScript files to Portable Document Format (PDF) files. If the output filename is not specified, the output is placed is a file of the same name with a '.pdf' extension. Either the input filename or the output filename can be '-' to request reading from stdin or writing to stdout, respectively, when used as a filter. The three scripts differ as follows: - ps2pdf12 will always produce PDF 1.2 output (Acrobat 3-and-later compatible). - ps2pdf13 will always produce PDF 1.3 output (Acrobat 4-and-later compatible). - ps2pdf per se currently produces PDF 1.4 output. However, this may change in the future. If you care about the compatibility level of the output, use ps2pdf12 or ps2pdf13, or use the -dCompatibility=1.x switch in the command line. There are some limitations in ps2pdf's conversion. See the HTML documentation for more information. A large number of Adobe Distiller(TM) parameters which can be used to control the conversion are also documented there, including instructions for generating PDF/X and PDF/A documents. EXAMPLES
Converting a figure.ps to figure.pdf: ps2pdf figure.ps A conversion with more specifics: ps2pdf -dPDFSETTINGS=/prepress figure.ps proof.pdf Converting as part of a pipe: make_report.pl -t ps | ps2pdf -dCompatibility=1.3 - - | lpr SEE ALSO
gs(1), ps2pdfwr(1), Ps2pdf.htm in the Ghostscript documentation BUGS
See http://bugs.ghostscript.com/ and the Usenet news group comp.lang.postscript. VERSION
This document was last revised for Ghostscript version 8.63. AUTHOR
Artifex Software, Inc. are the primary maintainers of Ghostscript. This manpage by George Ferguson. 8.63 1 August 2008 PS2PDF(1)
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