The script under consideration has been coded as shown below:
#!/bin/bash
#recursive remove
REC_RM="rm -rf"
#recursive copy
REC_CP="cp -Rf"
#rsync
RSYNC_CMD="rsync -av --progress"
#recursive link
REC_LN="cp -as"
#the script excepts three arguments as follows:
#
# a filename such as files.txt with entries along the lines of
#
# [HEADER]
# <PATH>
#
# the name of the specific HEADER to look for in the file, such as "FILES"
#
# a destination path such as /dst
#
# so the script should be invoked as <script> <filename> <header string> <destination path>
#
# for the sake of brevity, the segment related to argument checking has been omitted
#get the path listed under the specific header from within filename
SRC=$(grep -A1 $2 $1)
SRC=$(echo ${SRC} | awk '{print $2}')
#remove any preceding '/' from the path
FWD_SLSH='/'
SRC_MOD=$(echo ${SRC} | sed "s|^$FWD_SLSH\(.*\)|\1|")
#append the modified source path to the destination path
DST=${3}${SRC_MOD}
#create the destination directory path
mkdir -p ${DST}
#sync the source and destination paths
eval "$RSYNC_CMD" ${SRC} ${DST}
#recursively purge source path
eval "$REC_RM" ${SRC}
#recursively link destination path back to source path by means of copy
eval "$REC_LN" ${DST} ${SRC}
The file /src_vinod/test/data.txt and the directory /dst_vinod are created outside of the script.
Now assuming that the filename files.txt contained the following entry:
[FILES]
/src_vinod/test/
And the script were to be invoked as shown below (the name script.sh has been used):
script.sh filenames.txt FILES /dst_vinod/
After execution, I would expect the destination path to be populated as follows:
/dst_vinod/src_vinod/test/data.txt
and the source path to be populated as
/src_vinod/test/data.txt
where data.txt is a soft link to the file data.txt under the destination path
However, the result I get is as follows:
the destination path consists of
/dst_vinod/src_vinod/test/test/data.txt
and the source path consists of
/src_vinod/test/test/data.txt
where data.txt is a soft link to the file data.txt under the destination path
I am not sure why the directory test/ is replicated.
Any thoughts?
TIA
Vinod
How to use rsync to copy files
Note: Specifying “/” after the source directory only copies the contents of the directory. If we do not specify the “/”after the source directory, the source directory will also be copied to the destination directory.
This was the issue in my script. I fixed this issue and it started working as expected.