sed 's/^[ \t]*//' [oracle@usha scripts]$ cat a # Original file Sachchida Nand Ojha Andrew Bove [oracle@usha scripts]$ cat a|sed 's/^[ \t]*//' #deleted all leading space Sachchida Nand Ojha Andrew Bove [oracle@usha scripts]$ cat a|sed 's/^[ \t]//' # Deleted one space Sachchida Nand Ojha Andrew Bove [oracle@usha scripts]$ cat a|sed 's/^[\t]*//' # Does Nothing Sachchida Nand Ojha Andrew Bove [oracle@usha scripts]$ |
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