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UNIX for Beginners Questions & Answers
Check if file exists
Post 303037843 by locoroco on Wednesday 14th of August 2019 06:43:22 PM
08-14-2019
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1. Shell Programming and Scripting
Hi,
I have a list of files that I want to check to see if they exist and then count how many of these files exist, I also want to do the same for the files that arent found.
I have done this by creating temp files see below but want ot do this using variables instead:
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Hi. I'd like to have an IF-Then-Else statement where I can check to see if a file exists? We have the Bourne Shell by default. I'm looking for the syntax to do something like this:
if myfile.txt exists then
...my code
else
...my code
end if
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The logic is some thing like this in shelling terms
IF ]; then
download file.DDMM.dat
FI
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I want to write a script to see if various files exist. What I want to do is have the script search in various directories if a file exist, and if not, then output something like "/path/file does not exist". I don't actually know of how to check and see if a file exists or not. What I have in mind... (2 Replies)
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Hi
#Testing for file existence
if ; then
echo 'SCHOOL data is available for processing'
else
echo 'SCHOOL DATA IS NOT AVAILABLE FOR PROCESSING'
:
i wrote a script, where it begins by checking if file exists or not.
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6. Shell Programming and Scripting
Hi guys,
I am beginner trying to learn unix. So any help is welcomed.
My requirement is to check whether is a file exists in a particular directory or not.
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Hi,
I want to check if the file exists or not in the directory.
i am trying below code but not working.
File="/home/va59657/Account_20090213*.dat"
echo "$File"
if ]; then
echo "file found"
else
echo "file not found"
fi
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bash in RHEL 6.3
I have these 2 files with strings.
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$$ cat checkIF.txt
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Hi,
I have the below code written. However I am not getting the desired output
I am checking if the particular path has file in it.
#!/bin/bash
ls -l /IRS2/IRS2_ODI/INFILE/*LS* 1>/dev/null 2>/dev/null
if
then
echo $?
echo "File Exists"
fi
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10. UNIX for Beginners Questions & Answers
There are some files with suffix dates like abc_20032019.dat abc_17032019.dat
If at least one file exists then perform some operation else exit from execution.
Korn shell
----------------------------------
array=($inputdir/abc*.dat)
If ] ]
then
echo " file exits"
else
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LEARN ABOUT DEBIAN
istat
ISTAT(1) General Commands Manual ISTAT(1) NAME
istat - Display details of a meta-data structure (i.e. inode) SYNOPSIS
istat [-B num ] [-f fstype ] [-i imgtype] [-o imgoffset] [-b dev_sector_size] [-vV] [-z zone ] [-s seconds ] image [images] inode DESCRIPTION
istat displays the uid, gid, mode, size, link number, modified , accessed, changed times, and all the disk units a structure has allocated. The options are as follows: -B num Display the addresses of num disk units. Useful when the inode is unallocated with size 0, but still has block pointers. -f fstype Specify the file system type. Use '-f list' to list the supported file system types. If not given, autodetection methods are used. -s seconds The time skew of the original system in seconds. For example, if the original system was 100 seconds slow, this value would be -100. -i imgtype Identify the type of image file, such as raw or split. Use '-i list' to list the supported types. If not given, autodetection methods are used. -o imgoffset The sector offset where the file system starts in the image. -b dev_sector_size The size, in bytes, of the underlying device sectors. If not given, the value in the image format is used (if it exists) or 512-bytes is assumed. -v Verbose output of debugging statements to stderr -V Display version -z zone An ASCII string of the original system's time zone. For example, EST5EDT or GMT. These strings are defined by the operating system and may vary. NOTE: This has changed since TCTUTILs. image [images] One (or more if split) disk or partition images whose format is given with '-i'. inode Meta-data number to display stats on AUTHOR
Brian Carrier <carrier at sleuthkit dot org> Send documentation updates to <doc-updates at sleuthkit dot org> ISTAT(1)