So this program would allow me to copy files by entering the name of a source file then the name of a destination file. If the destination file already existed i want to give myself the choice to overwrite append or cancel. So far ive been able to get the choice part to work but i cant get the test if the file exist to work along side the choices. Here is what i have so far its not completed but any input on how to make this run would be much appreciated.
if [ $1 -f ]
then echo "file exist"
while [ $2 -e ]
read -p "Do you want to (O)verwrite, (A)ppend, or (E)nd? " answer
case ${answer:0:1} in
o|O )
cp $1 $2
;;
a|A )
cat $1 >> $2
;;
* )
echo "Cancel"
;;
esac
fi
I think its just a typo -
Change
if [ $1 -f ]
to
if [ -f $1 ]
Related
So i use a script that copy's specific files to specific folders based on there filenames. I would like to extend the script so that after the copy progress a part from the filename is removed. Here is an example The filename looks likes this Image_000058_19_12_2019_1920x1080.jpg and i like to remove the resolution (_1920x1080) part from it. Is there a way to add it to my Script (see below) Thanks to #fedxc for the script.
cd "$HOME/Downloads"
# for filename in *; do
find . -type f | while IFS= read filename; do # Look for files in all ~/Download sub-dirs
case "${filename,,*}" in # this syntax emits the value in lowercase: ${var,,*} (bash version 4)
*.part) : ;; # Excludes *.part files from being moved
move.sh) : ;;
# *test*) mv "$filename" "$HOME/TVshows/Glee/" ;; # Using move there is no need to {&& rm "$filename"}
*test*) scp "$filename" "imac#imac.local:/users/imac/Desktop/" && rm "$filename" ;;
*american*dad*) scp "$filename" "imac#imac.local:/users/imac/Movies/Series/American\ Dad/" && rm "$filename" ;;
*) echo "Don't know where to put $filename" ;;
esac
done```
I use variable operation for bash. Example:
export filename='Image_000058_19_12_2019_1920x1080.jpg' <----Setting name of filename
echo ${filename/_1920x1080/} <--Operation with bash variable.
Image_000058_19_12_2019.jpg <--Result of echo
Consult this page for more: Bash Guide
I'm attempting to write a script in the Bourne shell that will do the following:
Read in a filename
If the file does not exist in the target directory, it will display a message to the user stating such
If the file exists in the target directory, it will be moved to a /trash folder
If the file exists in the target directory, but a file of the same name is in the /trash folder, it will still move the file to the /trash directory, but will attach a _bak extention to the file.
My use of the Bourne shell is minimal, so here's what I have so far. Any pointers or tips would be greatly appreciated, thanks!
#!/bin/sh
#Scriptname: Trash Utility
source_dir=~/p6_tmp
target_dir=~/trash
echo "Please enter the filename you wish to trash:"
read filename
if [ -f $source_dir $filename]
then mv "$filename" "$target_dir"
else
echo "$filename does not exist"
fi
You cannot use ~ to refer to $HOME in a sh script. Switch to $HOME (or change the shebang to a shell which supports this, such as #!/bin/bash).
To refer to a file in a directory, join them with a slash:
if [ -f "$source_dir/$filename" ]
Notice also the required space before the terminating ] token.
To actually move the file you tested for, use the same expression for the source argument to mv:
mv "$source_dir/$filename" "$target_dir"
As a general design, a script which takes a command-line parameter is much easier to integrate into future scripts than one wich does interactive prompting. Most modern shells offer file name completion and history mechanisms, so a noninteractive script also tends to be more usable (you practically never need to transcribe a file name manually).
A Bash Solution:
#!/bin/bash
source_dir="~/p6_tmp"
target_dir="~/trash"
echo "Please enter the filename you wish to trash:"
read filename
if [ -f ${source_dir}/${filename} ]
then
if [ -f ${target_dir}/${filename} ]
then
mv "${source_dir}/${filename}" "${target_dir}/${filename}_bak"
else
mv "${source_dir}/${filename}" "$target_dir"
fi
else
echo "The file ${source_dir}/${filename} does not exist"
fi
Here's the completed script. Thanks again to all who helped!
#!/bin/sh
#Scriptname: Trash Utility
#Description: This script will allow the user to enter a filename they wish to send to the trash folder.
source_dir=~/p6_tmp
target_dir=~/trash
echo "Please enter the file you wish to trash:"
read filename
if [ -f "$source_dir/$filename" ]
then
if [ -f "$target_dir/$filename" ]
then mv "$source_dir/$filename" "$target_dir/$(basename "$filename")_bak"
date "+%Y-%m-%d %T - Trash renamed ~/$(basename "$source_dir")/$filename to ~/$(basename "/$target_dir")/$(basename "$filename")_bak" >> .trashlog
else mv "$source_dir/$filename" "$target_dir"
date "+%Y-%m-%d %T - Trash moved ~/$(basename "/$source_dir")/$filename to ~/$(basename "/$target_dir")/$filename" >> .trashlog
fi
else
date "+%Y-%m-%d %T - Trash of ~/$(basename "/$source_dir")/$filename does not exist" >> .trashlog
fi
I sometimes want to merge multiple pairs of files, suppose I want to merge fileA.old and fileA.new, as well as fileB.old and fileB.new..and so on.Currently I have to open emacs. Do M-x ediff-merge-files and enter name of first file, return key, name of second file, return key..and im in merge mode...is there a way to launch emacs with both file names as arguments and land in merge mode?
You can pass Lisp code to Emacs through the command line:
emacs --eval '(ediff-merge-files "path/to/file1" "path/to/file2")'
Of course this could be wrapped in a script to make it more convenient to call. For instance, in a bourne shell, you could do a simple version like this:
#!/bin/sh
# check correct invocation
if [ $# != 2 ]; then
echo "USAGE: $(basename "${0}") <file1> <file2>"
exit 1
fi
# check that file1 exists and is readable
if [ -f "${1}" ]; then
if [ ! -r "${1}" ]; then
echo "Cannot open '${1}', access denied."
exit 3
fi
else
echo "File not found: '${1}'"
exit 2
fi
# check that file2 exists and is readable
if [ -f "${2}" ]; then
if [ ! -r "${2}" ]; then
echo "Cannot open '${2}', access denied."
exit 5
fi
else
echo "File not found: '${2}'"
exit 4
fi
# invoke emacs
emacs --eval "(ediff-merge-files \"${1}\" \"${2}\")"
If you save this in a file ediff on your $PATH, you can then simply write:
ediff file1 file2
on the command line and Emacs will pop up with the two given files in ediff-mode.
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Closed 10 years ago.
I got a bash script that was made for transferring files from a Sandbox to a host.
The files in the sandboxdirectory get transferred only if they are younger, meaning they have been "touched" before. Unfortunately, cygwin is causing trouble under windows so I need the script in another language or I need something that works like cygwin under windows.
The script is just about 20 lines, but i don't have any clue how to convert it to another language(especially commands like touch, make, gcc, getopts, set -e)
I'd be happy if someone finds this easy to do and converts it:
# EXITING SCRIPT IF ERROR OCCURS
set -e
FORCE=false
JUSTPRINT=
# if parameter -f is given, force to transfer all files(no matter if new or not)
# if -n is given checking files
while getopts fn opt 2>/dev/null
do
case $opt in
f) FORCE=true ;;
n) JUSTPRINT="-n" ;;
?) ;;
esac
done
# deleting parsed options from command line
shift `expr $OPTIND - 1`
# refresh files that came with -f
if [ \( $FORCE = true \) -a \( $# -gt 0 \) ]
then
touch -c $#
fi
# Targets (dummy files for timestamp)
TARGETS=`for filename
do
if [ -f $filename ]
then
echo "../transport_dummies/\`basename $filename\`.dum"
else
echo "$filename"
fi
done`
# call script directory
echo $0
cd `dirname $0`
# creating sysfilterL.exe
if [ ! -f sysfilterL ]
then
echo "sysfilterL is created."
gcc sysfilter.c -o sysfilterL
fi
# Call Transport-Makefile with target
if [ $# -gt 0 ]
then
make --warn-undefined-variables $JUSTPRINT -f transportDE.mk reset $TARGETS
send_queueed
else
make --warn-undefined-variables $JUSTPRINT -f transportDE.mk
fi
You can convert the shell script to a batch file, which is covered here: How do I convert a bash shell script to a .bat file?
Also here is a list of corresponding commands in bash and batch: http://tldp.org/LDP/abs/html/dosbatch.html
I have a problem i could not figure out if it's even possible. I am parsing a file with filenames in it, and want to check if those filenames represent an existing file within the system.
i figured out a possibility to to check if a file exists:
[ -f FILENAME ] && echo "File exists" || echo "File does not exists"
now my problem is: How can i pipe into to the conditional that it tests for all the filenames?
i was trying like tihs, but it did not work:
cat myfilenames.txt | xargs command from above without FILENAME
does anybody know if it is possible?
thanks, dmeu!
while read file; dp
[ -e "$file" ] && echo "$file exists";
done <filelist.txt
I believe what you want is a for loop. This worked for me in bash (I put it in a shell script, but you could probably do it on the command line):
for i in `cat $1` ; do
[ -f $i ] && echo File $i exists || echo File $i does not exist
done
the backticks around the cat execute the command and substitute the output into the loop.