Wanted to rename file

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# 1  
Old 03-31-2014
[Solved] Wanted to rename file

Hello ,

I wanted to rename one file which is having name as....



1.20140205193338 is the timestamp of file creation which should not get change.

2. XYZ should and be removed

3. _00172_1 should removed [ this one is varying ]

any trick in a single line command.

Last edited by Scrutinizer; 03-31-2014 at 02:41 AM..
# 2  
Old 03-31-2014
try this :-
for loop in `ls ABCD_PQRSTUVW_XYZ_20140205193338_00172_1.DAT`
new_file=`echo $loop | awk -F "_" '{print $1"_"$2"_"$4".DAT"}'`
mv $loop $new_file

same code in single line

for loop in `ls ABCD_PQRSTUVW_XYZ_20140205193338_00172_1.DAT`; do new_file=`echo $loop | awk -F "_" '{print $1"_"$2"_"$4".DAT"}'`;mv $loop $new_file ; done

for multiple files with same name format :_
for loop in `ls *_*_XYZ_*_00172_1.DAT`
new_file=`echo $loop | awk -F "_" '{print $1"_"$2"_"$4".DAT"}'`
mv $loop $new_file

---------- Post updated at 10:45 AM ---------- Previous update was at 10:41 AM ----------

replace this line
awk -F "_" '{print $1"_"$2"_"$4".DAT"}'

with following
awk -F "_" '{print $1"0000_"$2"_"$4".DAT"}'

R00743392: ~/forum/20140331 > ls

Moderator's Comments:
Mod Comment Please use CODE (not ICODE) tags when displaying long lines of code and multi-line code and data samples. Note also that sample code and data goes between the tags; not after the tags.

Last edited by Don Cragun; 03-31-2014 at 03:17 AM.. Reason: Change ICODE to CODE tags and fix tag positioning.
# 3  
Old 03-31-2014

Here is a solution which may help you.

a=`echo "ABCD_PQRSTUVW_XYZ_20140205193338_00172_1.DAT" | awk -F"\_" '{match($0,/\....$/); a=substr($0,RSTART,RLENGTH);} {print $1 OFS $2 OFS $3 OFS $4 a}' OFS="_`
mv actual_file_name $a

R. Singh
# 4  
Old 03-31-2014
If you are using a for loop, use the below code
mv ${i} $(awk '{split($0, a, "."); $1 = substr(($1 "00000000"), 1, 8); printf "%s_%s_%s.%s\n", $1, $2, $4, a[2]}' FS='_' <<< ${i})

mv ABCD_PQRSTUVW_XYZ_20140205193338_00172_1.DAT $(awk '{split($0, a, "."); $1 = substr(($1 "00000000"), 1, 8); printf "%s_%s_%s.%s\n", $1, $2, $4, a[2]}' FS='_' <<< 'ABCD_PQRSTUVW_XYZ_20140205193338_00172_1.DAT')

Last edited by SriniShoo; 03-31-2014 at 04:57 AM.. Reason: format
# 5  
Old 03-31-2014
This isn't a one-liner, but (except for the mv command), it only uses shell (at least ksh and bash) built-ins. If you save the following in a file named tester:
for i in $pattern
do	if [ "$pattern" = "$i" ]
	then	printf "No files matching desired pattern found.\n" >&2
		exit 1
	printf "Moving '%s' to '%s'\n" "$i" "${f1}0000_${f2}_${f4}.$suffix"
	mv "$i" "${f1}0000_${f2}_${f4}.$suffix"

and make it executable:
chmod +x tester

then, if you have the following files in your directory:

and run the command:

it will print:
Moving 'ABCD_PQRSTUVW_XYZ_20140205193338_00172_1.DAT' to 'ABCD0000_PQRSTUVW_20140205193338.DAT'
Moving 'CDef_pQrStUvW_xyz_20140206121314_00174_2.c' to 'CDef0000_pQrStUvW_20140206121314.c'
Moving 'EFGH_pqrstuvw_xyz_20140206121325_00175_3.lib' to 'EFGH0000_pqrstuvw_20140206121325.lib'
Moving 'bcDE_PqRsTuVw_xyz_20140206121314_00173_1.pdf' to 'bcDE0000_PqRsTuVw_20140206121314.pdf'

and if you run it again, it will write:
No files matching desired pattern found.

to the standard error output and exit with exit code 1. An ls after running tester will show:

This User Gave Thanks to Don Cragun For This Post:
# 6  
Old 04-01-2014
Thanks a lot for all!
all code are working.
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