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Top Forums Shell Programming and Scripting Find command when there exist many files Post 303013251 by Chubler_XL on Sunday 18th of February 2018 06:56:35 PM
Old 02-18-2018
Quote:
Originally Posted by kristinu
I have now modified my script this way. It works properly, however I have a white
on black colour scheme on my terminal and I am noticing a white box scrolling along
the line all the time. Can this be fixed?

Code:
# Counts the number of files to process
totfcn=$(find . -type f | tee /tmp/wrk | wc -l)

i=0; j=0
while read fn; do    
  printf -v XXX "%0*d" $((60 * ++i / totfcn))
  printf "\r[%-60s]" "${XXX//0/*}"
  printf "%4d%%" $((100 * ++j / totfcn))
  #${dir_mseed2sac}/mseed2sac $FN
done < /tmp/wrk
printf "\n"

The white box is probably you input cursor you can hide/view it like this:

Code:
# Counts the number of files to process
totfcn=$(find . -type f | tee /tmp/wrk | wc -l)

# Hide cursor
tput civis

# Reveal cursor on program completion
trap 'tput cvvis' EXIT

i=0; j=0
while read fn; do    
  printf -v XXX "%0*d" $((60 * ++i / totfcn))
  printf "\r[%-60s]" "${XXX//0/*}"
  printf "%4d%%" $((100 * ++j / totfcn))
  #${dir_mseed2sac}/mseed2sac $FN
done < /tmp/wrk
printf "\n"

This User Gave Thanks to Chubler_XL For This Post:
 

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explain_printf_or_die(3)				     Library Functions Manual					  explain_printf_or_die(3)

NAME
explain_printf_or_die - formatted output conversion and report errors SYNOPSIS
#include <libexplain/printf.h> int explain_printf_or_die(const char *format); int explain_printf_on_error(const char *format); DESCRIPTION
The explain_printf_or_die function is used to call the printf(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_printf(3) function, and then the process terminates by calling exit(EXIT_FAILURE). The explain_printf_on_error function is used to call the printf(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_printf(3) function, but still returns to the caller. format The format, exactly as to be passed to the printf(3) system call. RETURN VALUE
The explain_printf_or_die function only returns on success, see printf(3) for more information. On failure, prints an explanation and exits, it does not return. The explain_printf_on_error function always returns the value return by the wrapped printf(3) system call. EXAMPLE
The explain_printf_or_die function is intended to be used in a fashion similar to the following example: int result = explain_printf_or_die(format); SEE ALSO
printf(3) formatted output conversion explain_printf(3) explain printf(3) errors exit(2) terminate the calling process COPYRIGHT
libexplain version 0.52 Copyright (C) 2010 Peter Miller explain_printf_or_die(3)
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