Bash not calling function after completing

Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Bash not calling function after completing
# 1  
Old 05-27-2017
Bash not calling function after completing

In the below bash the function execute is started with the while true at the end of the script. Currently, this works and processing does begin. The function panel in bold does not get called after execute completes, therefore the user does not get the menu selection and the files just loop overwritten each other. That is if there are 4 files to be processed, only the first gets processed then it gets caught in a loop and overwrites and 2,3,4 never even start. It seems like panel not being called is what the issue is, but I am not sure why its not being called. The .... are additional lines in the script. Thank you Smilie.

execute() {
    while true
# oldest folder stored as variable for analysis, version log created, and quality indicators matched to run

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
    printf "The oldest folder is $filename, created on $time and analysis done using v1.7 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]+)/")
              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

menu() {
    while true
        printf "\n please make a selection from the MENU \n
        \t 1  gene
        \t 2  test
        printf "\t Your choice: "; read menu_choice
        echo "$menu_coice panel selected"

        case "$menu_choice" in
        1) gene ;;
        2) test ;;
        *) printf "\n Invalid choice."; sleep 2 ;;

while true; do
    read -p "Do you want to start the me?" yn
    case $yn in
        [Yy]* ) execute; break ;;
        [Nn]* ) exit ;;
        * ) echo "Please answer yes or no.";;

panel() {
    printf "Do you want to get coverage of a specific gene, genes, or panel?"; read yn
    case $yn in
        [Yy]* ) menu ;;
        [Nn]* ) move ;;
        * ) echo "Please answer yes or no.";;

Last edited by cmccabe; 05-27-2017 at 12:18 PM.. Reason: fixed format
# 2  
Old 05-28-2017
I'm not sure if this is a rule. But I generally write the functions before i call them. Can you try putting panel() before execute() and run your code.
These 2 Users Gave Thanks to balajesuri For This Post:
# 3  
Old 05-28-2017
Originally Posted by balajesuri
I'm not sure if this is a rule. But I generally write the functions before i call them. Can you try putting panel() before execute() and run your code.
I didn't look at the entire code, but it seems to be a rule in bash, ksh, zsh, and dash:
#!/usr/bin/env bash

# @(#) s1       Demonstrate placement of function definitions.

pe() { for _i;do printf "%s" "$_i";done; printf "\n"; }
pl() { pe;pe "-----" ;pe "$*"; }
em() { pe "$*" >&2 ; }
db() { ( printf " db, ";for _i;do printf "%s" "$_i";done;printf "\n" ) >&2 ; }
db() { : ; }
C=$HOME/bin/context && [ -f $C ] && $C

a() {
  printf " Hello, inside function a\n"

pl " Executing function a:"

pl " Executing function b before definition:"

b() {
  printf " Hello, inside function b\n"

pl " Executing function b after definition:"

exit 0

$ ./s1

Environment: LC_ALL = C, LANG = C
(Versions displayed with local utility "version")
OS, ker|rel, machine: Linux, 3.16.0-4-amd64, x86_64
Distribution        : Debian 8.7 (jessie) 
bash GNU bash 4.3.30

 Executing function a:
 Hello, inside function a

 Executing function b before definition:
./s1: line 21: b: command not found

 Executing function b after definition:
 Hello, inside function b

Good catch balajesuri !

Best wishes ... cheers, drl

Last edited by drl; 05-28-2017 at 10:28 AM.. Reason: Minor emphasis added.
These 2 Users Gave Thanks to drl For This Post:
# 4  
Old 05-30-2017
Thank you both for your help Smilie.
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Help to Modify File Name in each function before calling another function.

I have a script which does gunzip, zip and untar. Input to the script is file name and file directory (where file is located) I am reading the input parameters as follows: FILENAME=$1 FILEDIR=$2 I have created 3 functions that are as follows: 1) gunzip file 2) unzip file... (2 Replies)
Discussion started by: pinnacle
2 Replies

2. Shell Programming and Scripting

Function is calling only once

In my prog if i enter the input for the 1st time it is executing correctly, but for the second time entire script is not executing it just exiting my code is #!/bin/sh checkpo() { echo "Checking the entered PO to create output text file "; IFS=$'\n' set -f var=0 for i in $(cat... (3 Replies)
Discussion started by: Padmanabhan
3 Replies

3. Shell Programming and Scripting

Need help with completing a bash script

Hello All, I am automating a task using bash script and got stuck at this. From the below input, Meta Device Members (20) : { ---------------------------------------------------------------------- BCV DATA RDF DATA ... (7 Replies)
Discussion started by: Sam R
7 Replies

4. Shell Programming and Scripting

Calling two function

Hi, I need to run start_load function for two tables. Step 1: if HMAX_TBL_ID and GMAX_TBLI_D are same for tab_name1 then echo message "all table ids are processed" Step 2: go back and call start_load for tab_name2 and check if table id are same for table 2 too. Please let me know how to... (5 Replies)
Discussion started by: sandy162
5 Replies

5. Shell Programming and Scripting

Calling function from another bash script

I would like to call functions from another bash script. How can I do it? Some code More code (11 Replies)
Discussion started by: kristinu
11 Replies

6. Shell Programming and Scripting

calling function with case

Hi I making a shell script and have some problem to start a function. echo "chose a number to download" read i; case $i in 1) head -1 ~/test3 | tail -1 > ~/test4;; 2) head -2 ~/test3 | tail -1 > ~/test4;; 3) head -3 ~/test3 | tail -1 >... (9 Replies)
Discussion started by: pelle
9 Replies

7. Shell Programming and Scripting

SHELL SCRIPT Function Calling Another Function Please Help...

This is my function which is creating three variables based on counter & writing these variable to database by calling another function writeRecord but only one record is getting wrote in DB.... Please advise ASAP...:confused: function InsertFtg { FTGSTR="" echo "Saurabh is GREAT $#" let... (2 Replies)
Discussion started by: omkar.sonawane
2 Replies

8. Shell Programming and Scripting

Return a value from called function to the calling function

I have two scripts. looks -------------------------------- #!/bin/bash display() { echo "Welcome to Unix" } display ----------------------------- #!/bin/bash sh //simply calling ------------------------------ (1 Reply)
Discussion started by: mvictorvijayan
1 Replies

9. UNIX for Dummies Questions & Answers

Calling a function

I have created a file generic.func and it has lots of functions. One of the functions is this: Check_backup_size() { dsmc q b $BACKUP_DIR/"*.Z" | awk '{print $1}'|sed 's///g' > outputfile X=`awk '{sum += $1} END {print sum }' outputfile'` echo "$X" ls -ltr $BACKUP_DIR/"*.Z" | awk... (5 Replies)
Discussion started by: ashika
5 Replies

10. Programming

c++ calling main() function

i just finished a project for a c++ class that i wrote at home on my computer, compiled with gcc. when i brought the code into school it would not compile, it would complain that cannot call main() function. at school we use ancient borland c++ from 1995. anyway my program has 20 different... (3 Replies)
Discussion started by: norsk hedensk
3 Replies
Login or Register to Ask a Question

Featured Tech Videos