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Tag Archives: Unix Script

Unix Shell Script Syntax for if and grep and -gt

There are two errors in your script: Nested backticks are not allowed. $2/$file_z instead of $(<$2/$file_z) Fixed: for j in `<$2/$file_z` do if grep -q “$1” “$j” > /dev/null # if grep “$1” “$j” > /dev/null # if your grep does not support -q then echo $j cp $j $3 fi done More optimal: for j in `<$2/$file_z` do  Full Article…

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unix shell script find out which directory the script file resides?

For bash, sh, ksh: #!/bin/bash # Absolute path to this script, e.g. /home/user/bin/foo.sh SCRIPT=$(readlink -f $0) # Absolute path this script is in, thus /home/user/bin SCRIPTPATH=$(dirname $SCRIPT) echo $SCRIPTPATH For tcsh, csh: #!/bin/tcsh # Absolute path to this script, e.g. /home/user/bin/foo.csh set SCRIPT=`readlink -f $0` # Absolute path this script is in, thus /home/user/bin set  Full Article…

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